# What Are the Primary Differences in Best Execution Obligations between FINRA and MiFID II Frameworks? ▴ Question

**Published:** 2025-08-05
**Categories:** Question

---

![A futuristic circular financial instrument with segmented teal and grey zones, centered by a precision indicator, symbolizes an advanced Crypto Derivatives OS. This system facilitates institutional-grade RFQ protocols for block trades, enabling granular price discovery and optimal multi-leg spread execution across diverse liquidity pools](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-microstructure-platform.jpg)

![Robust polygonal structures depict foundational institutional liquidity pools and market microstructure. Transparent, intersecting planes symbolize high-fidelity execution pathways for multi-leg spread strategies and atomic settlement, facilitating private quotation via RFQ protocols within a controlled dark pool environment, ensuring optimal price discovery](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-microstructure-prime-os.jpg)

## Concept

An examination of the best execution obligations under the [Financial Industry Regulatory Authority](https://prime.greeks.live/area/financial-industry-regulatory-authority/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (FINRA) and the Markets in Financial Instruments Directive II (MiFID II) reveals two distinct regulatory architectures built upon different foundational principles. Understanding these differences is an exercise in systems analysis, revealing how jurisdictional philosophies on market structure, data transparency, and investor protection translate into concrete operational mandates for institutional trading desks. The core distinction lies in their approach to demonstrating compliance. FINRA’s framework is rooted in a principles-based standard of “[reasonable diligence](https://prime.greeks.live/area/reasonable-diligence/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite),” while MiFID II establishes a more prescriptive, evidence-centric regime that demands extensive data collection and public disclosure.

[FINRA Rule 5310](https://prime.greeks.live/area/finra-rule-5310/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) requires a member firm to use reasonable diligence to ascertain the best market for a security and trade in that market so the resulting price is as favorable as possible for the customer under prevailing conditions. This directive is interpreted through a “facts and circumstances” analysis. It provides a list of factors to consider, such as the character of the market, the size and type of the transaction, and the accessibility of a quotation.

The operational requirement is for firms to conduct “regular and rigorous” reviews of their [execution quality](https://prime.greeks.live/area/execution-quality/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), typically quarterly, comparing their results against competing markets and justifying their order routing decisions. This system grants firms a degree of flexibility in designing their compliance procedures, provided they can robustly defend their processes and outcomes during regulatory examination.

> A firm’s compliance with FINRA’s best execution standard is ultimately a qualitative assessment of its diligence and review processes.

Conversely, the MiFID II framework, particularly through its [Regulatory Technical Standards](https://prime.greeks.live/area/regulatory-technical-standards/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (RTS), elevates the concept of best execution from a guiding principle to a quantifiable and auditable process. The directive compels investment firms to take “all sufficient steps” to obtain the best possible result for their clients, a standard that implies a more exhaustive and proactive duty than FINRA’s “reasonable diligence.” The MiFID II regime is explicitly data-driven. It requires firms not only to establish a detailed [Order Execution Policy](https://prime.greeks.live/area/order-execution-policy/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (OEP) but also to publicly disclose detailed reports on execution quality from the venues they use (RTS 27 reports) and an annual summary of the top five execution venues used for each class of financial instrument (RTS 28 reports).

This creates a system of public accountability and transparency that is absent in the FINRA framework. The operational burden shifts from periodic internal reviews to continuous monitoring and external reporting, fundamentally altering the technological and procedural architecture required for compliance.

![A precise mechanical instrument with intersecting transparent and opaque hands, representing the intricate market microstructure of institutional digital asset derivatives. This visual metaphor highlights dynamic price discovery and bid-ask spread dynamics within RFQ protocols, emphasizing high-fidelity execution and latent liquidity through a robust Prime RFQ for atomic settlement](https://options.greeks.live/wp-content/uploads/2025/07/precision-engineering-driving-institutional-digital-asset-derivatives-execution-across-advanced-rfq-protocols-and-prime-brokerage-frameworks.jpg)

![A sleek, bimodal digital asset derivatives execution interface, partially open, revealing a dark, secure internal structure. This symbolizes high-fidelity execution and strategic price discovery via institutional RFQ protocols](https://options.greeks.live/wp-content/uploads/2025/08/institutional-digital-asset-derivatives-rfq-protocols-price-discovery.jpg)

## Strategy

Developing a strategic approach to [best execution](https://prime.greeks.live/area/best-execution/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) compliance requires a firm to architect its trading and reporting infrastructure around the specific demands of each regulatory system. The strategic divergence between FINRA and MiFID II is most apparent in three key domains ▴ the definition and weighting of [execution factors](https://prime.greeks.live/area/execution-factors/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), the scope of application, and the nature of data reporting and disclosure obligations. A successful strategy depends on translating these regulatory distinctions into specific operational workflows and technological configurations.

![A precise metallic instrument, resembling an algorithmic trading probe or a multi-leg spread representation, passes through a transparent RFQ protocol gateway. This illustrates high-fidelity execution within market microstructure, facilitating price discovery for digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-orchestration-of-institutional-digital-asset-rfq-execution.jpg)

## How Do Execution Factors Differ in Practice?

Both frameworks provide a list of factors that firms must consider when seeking best execution. However, the emphasis and granularity of these factors differ, influencing how a firm’s [smart order router](https://prime.greeks.live/area/smart-order-router/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (SOR) and execution policies must be designed. FINRA Rule 5310 outlines a non-exhaustive list of factors for its “reasonable diligence” standard. MiFID II, in contrast, specifies a more detailed set of criteria that firms must balance as part of their “[all sufficient steps](https://prime.greeks.live/area/all-sufficient-steps/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite)” obligation.

The table below provides a comparative analysis of these execution factors, highlighting the differences in emphasis that must be reflected in a firm’s compliance strategy.

| Execution Factor | FINRA Rule 5310 Perspective | MiFID II Perspective |
| --- | --- | --- |
| Price | A primary consideration, with an emphasis on achieving a price as favorable as possible under prevailing market conditions. | Explicitly defined as the primary factor, representing the total consideration for the transaction, including the instrument’s price and all related costs. |
| Costs | Implicitly included under the general duty. Transaction costs are a factor to be considered. | Explicitly and separately itemized. Firms must account for all execution venue fees, clearing and settlement fees, and any other charges paid to third parties. |
| Speed of Execution | A listed factor to be considered as part of the overall quality assessment. | A required factor, with its importance assessed relative to other factors based on the client’s objectives and the instrument’s characteristics. |
| Likelihood of Execution and Settlement | A key consideration, particularly for limit orders and in illiquid markets. | A mandatory factor. The probability of a successful trade is a critical component of the overall execution quality assessment. |
| Size and Nature of the Order | A core element of the “facts and circumstances” analysis. | A required consideration, directly influencing the relative importance of other factors like price and speed. |
| Reporting and Transparency | Focus is on internal documentation of “regular and rigorous” reviews to demonstrate diligence to regulators upon request. | Mandates extensive public disclosure through RTS 27 (from venues) and RTS 28 (from firms), creating a transparent feedback loop for clients and the public. |

![Precision-engineered institutional-grade Prime RFQ modules connect via intricate hardware, embodying robust RFQ protocols for digital asset derivatives. This underlying market microstructure enables high-fidelity execution and atomic settlement, optimizing capital efficiency](https://options.greeks.live/wp-content/uploads/2025/08/precision-engineered-prime-os-modules-enabling-institutional-digital-asset-derivatives-rfq-protocols-for-best-execution.jpg)

## Scope and Extraterritorial Implications

A critical strategic consideration is the jurisdictional reach of each framework. FINRA’s [Rule 5310](https://prime.greeks.live/area/rule-5310/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) applies to its member broker-dealers in the United States. While it covers transactions in foreign securities, its enforcement perimeter is clearly defined by its membership.

[MiFID II](https://prime.greeks.live/area/mifid-ii/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite)’s scope is substantially broader and has significant extraterritorial effects. The directive applies to any investment firm providing services to clients within the [European Union](https://prime.greeks.live/question/how-has-mifid-ii-impacted-the-use-of-systematic-internalisers-in-the-european-union/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), regardless of where the firm itself is located. This means a U.S.-based broker-dealer with EU clients must build a MiFID II-compliant execution framework for that segment of its business.

This necessitates a dual-track compliance system, where client domicile dictates the applicable regulatory architecture. The operational strategy must therefore include robust client classification systems and the ability to apply different execution protocols and reporting standards to different order flows.

![A sleek, metallic multi-lens device with glowing blue apertures symbolizes an advanced RFQ protocol engine. Its precision optics enable real-time market microstructure analysis and high-fidelity execution, facilitating automated price discovery and aggregated inquiry within a Prime RFQ](https://options.greeks.live/wp-content/uploads/2025/08/institutional-digital-asset-derivatives-rfq-engine-intelligence-layer.jpg)

## Data as a Strategic Asset

The most profound strategic difference is the role of data. Under FINRA, data is primarily a defensive tool, used to document and justify execution decisions during regulatory reviews. A firm’s strategy is to collect sufficient data to prove the “reasonableness” of its diligence.

> Under MiFID II, data is an active and public component of the compliance mechanism itself.

MiFID II transforms execution data into a strategic asset for demonstrating compliance and for client communication. The requirement to produce annual [RTS 28](https://prime.greeks.live/area/rts-28/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) reports, which detail the top five venues used for executing client orders and a summary of the execution quality analysis, forces firms to engage in continuous, data-intensive monitoring. This data is public, allowing clients and competitors to scrutinize a firm’s execution practices.

The strategic imperative for a MiFID II-compliant firm is to invest in sophisticated [Transaction Cost Analysis](https://prime.greeks.live/area/transaction-cost-analysis/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (TCA) systems and data analytics platforms. These systems are essential for monitoring execution quality, preparing the required reports, and substantiating the firm’s Order [Execution Policy](https://prime.greeks.live/area/execution-policy/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite).

![Precision metallic pointers converge on a central blue mechanism. This symbolizes Market Microstructure of Institutional Grade Digital Asset Derivatives, depicting High-Fidelity Execution and Price Discovery via RFQ protocols, ensuring Capital Efficiency and Atomic Settlement for Multi-Leg Spreads](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocols-for-precision-execution.jpg)

![Teal and dark blue intersecting planes depict RFQ protocol pathways for digital asset derivatives. A large white sphere represents a block trade, a smaller dark sphere a hedging component](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-liquidity.jpg)

## Execution

Translating best execution strategy into practice requires the implementation of precise operational protocols, technological systems, and governance structures. The execution phase is where the philosophical differences between FINRA’s principles-based approach and MiFID II’s prescriptive data regime become tangible engineering and compliance challenges. A firm operating under both jurisdictions must architect a system that is both robust and flexible enough to satisfy two distinct sets of requirements.

![Intersecting opaque and luminous teal structures symbolize converging RFQ protocols for multi-leg spread execution. Surface droplets denote market microstructure granularity and slippage](https://options.greeks.live/wp-content/uploads/2025/07/rfq-protocols-for-digital-asset-derivatives-high-fidelity-execution.jpg)

## Constructing the Compliance Architecture

The core of execution is the firm’s documented policies and procedures. These documents are the blueprint for how the firm meets its obligations and serve as the primary evidence for regulators. The structure and content of these policies differ significantly between the two frameworks.

- 
**FINRA Compliance Manual**. For FINRA, the central document is the firm’s set of written supervisory procedures (WSPs). These procedures must detail the “regular and rigorous” review process. This involves specifying the frequency of reviews (at least quarterly), the scope (security-by-security, order-by-order type), and the methodology for comparing execution quality across different market centers. The execution plan must include a mechanism for documenting these reviews, the data considered, the conclusions reached, and any subsequent changes to order routing logic. It must also explicitly address how the firm manages conflicts of interest, such as [payment for order flow](https://prime.greeks.live/area/payment-for-order-flow/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (PFOF).

- 
**MiFID II [Order Execution](https://prime.greeks.live/area/order-execution/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) Policy (OEP)**. For MiFID II, the cornerstone is the OEP. This is a client-facing document that must clearly explain how the firm will deliver best execution. It must detail the relative importance the firm assigns to the execution factors (price, costs, speed, etc.) for different classes of instruments and client types. The OEP is a commitment to clients, and the firm’s execution must be consistent with it. The operational plan here involves not just creating the policy, but also establishing a system to monitor adherence to it and to review its effectiveness at least annually.

![A transparent glass bar, representing high-fidelity execution and precise RFQ protocols, extends over a white sphere symbolizing a deep liquidity pool for institutional digital asset derivatives. A small glass bead signifies atomic settlement within the granular market microstructure, supported by robust Prime RFQ infrastructure ensuring optimal price discovery and minimal slippage](https://options.greeks.live/wp-content/uploads/2025/07/institutional-grade-digital-asset-derivatives-rfq-execution-prime-os-intelligence-layer-facilitating-optimal-price-discovery-and-best-execution.jpg)

## Quantitative Monitoring and Transaction Cost Analysis

Effective execution requires a robust quantitative framework for monitoring performance. [Transaction Cost](https://prime.greeks.live/area/transaction-cost/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) Analysis (TCA) is the primary tool for this function. While a best practice under FINRA, it is an operational necessity under MiFID II.

A firm’s TCA system must be configured to capture the specific data points required by each regulation. The following table illustrates how TCA metrics would be applied to review an order under both regimes.

| TCA Metric | Application under FINRA Framework | Application under MiFID II Framework |
| --- | --- | --- |
| Arrival Price Benchmark | Used to measure price improvement or disimprovement against the National Best Bid and Offer (NBBO) at the time of order receipt. A key part of the “regular and rigorous” review. | A fundamental metric for assessing the “price” component of execution. Used in aggregate to evaluate venue performance for RTS 28 reporting. |
| Execution Speed (Latency) | Measured in milliseconds from order receipt to execution. Compared across venues to satisfy the “speed” factor review. | A required data point for the OEP review. Analyzed to ensure the chosen venues provide appropriate speed for the order type and client instructions. |
| Effective/Quoted Spread | A measure of implicit costs. Used to compare the all-in cost of execution across different market makers and exchanges. | A critical component of the “total cost” analysis. Must be captured and analyzed to demonstrate that the firm is taking all sufficient steps to minimize client costs. |
| Fill Rate / Likelihood of Execution | Analyzed for different order types, especially non-marketable limit orders, to ensure routing destinations provide a high probability of execution. | Quantified and monitored as a key performance indicator for each venue. Essential for justifying the venue selection in the RTS 28 report. |

![Intricate metallic mechanisms portray a proprietary matching engine or execution management system. Its robust structure enables algorithmic trading and high-fidelity execution for institutional digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-engine-market-microstructure.jpg)

## What Is the Role of the Order Routing System?

The firm’s smart order router (SOR) or execution management system (EMS) is the engine that implements the best execution policy. It must be configured differently to comply with each set of rules.

- 
**FINRA Configuration**. The SOR logic can be primarily optimized to seek the best price, which is often interpreted as the best NBBO. The system’s routing tables must be reviewed quarterly as part of the “regular and rigorous” process to ensure the destinations continue to provide high-quality executions. The system must be able to produce data logs that support this review process.

- 
**MiFID II Configuration**. The SOR must be more complex. Its logic cannot be based solely on price. It must be programmed to dynamically weigh all the execution factors as defined in the OEP. For example, for a retail client’s order in a liquid stock, the SOR might prioritize price and explicit costs. For an institutional client’s large order in an illiquid instrument, the SOR might prioritize likelihood of execution and minimize market impact over speed or immediate price. The system must also be designed to capture the vast amount of data required for [RTS 27](https://prime.greeks.live/area/rts-27/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite)/28 reporting, including timestamps, venue identifiers, and cost breakdowns.

> The operational reality for a global firm is the need for a bifurcated or highly adaptable execution system.

This system must identify the client’s regulatory jurisdiction at the point of order entry and apply the correct set of execution protocols and data capture procedures. This requires significant investment in technology and a deep integration between order management, execution, and compliance systems. The execution of best execution is an ongoing, data-intensive process that sits at the very core of a modern brokerage firm’s operational architecture.

![A sophisticated modular component of a Crypto Derivatives OS, featuring an intelligence layer for real-time market microstructure analysis. Its precision engineering facilitates high-fidelity execution of digital asset derivatives via RFQ protocols, ensuring optimal price discovery and capital efficiency for institutional participants](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-engine-module.jpg)

## References

- FINRA. “Rule 5310. Best Execution and Interpositioning.” FINRA Rulebook, Financial Industry Regulatory Authority, 2023.

- FINRA. “Regulatory Notice 21-23 ▴ FINRA Reminds Members of Their Best Execution Obligations and Provides Guidance on Conflicted Transactions.” Financial Industry Regulatory Authority, July 2021.

- European Parliament and Council. “Directive 2014/65/EU of the European Parliament and of the Council of 15 May 2014 on markets in financial instruments and amending Directive 2002/92/EC and Directive 2011/61/EU.” Official Journal of the European Union, 2014.

- European Commission. “Commission Delegated Regulation (EU) 2017/575 of 8 June 2016 supplementing Directive 2014/65/EU of the European Parliament and of the Council on markets in financial instruments with regard to regulatory technical standards for the data to be published by execution venues on the quality of execution of transactions.” Official Journal of the European Union, 2017. (RTS 27)

- European Commission. “Commission Delegated Regulation (EU) 2017/576 of 8 June 2016 supplementing Directive 2014/65/EU of the European Parliament and of the Council with regard to regulatory technical standards for the annual publication by investment firms of information on the identity of execution venues and on the quality of execution.” Official Journal of the European Union, 2017. (RTS 28)

- U.S. Securities and Exchange Commission. “Proposed Rule ▴ Regulation Best Execution.” SEC.gov, 14 Dec. 2022.

- Investopedia. “Best Execution Rule ▴ What it is, Requirements and FAQ.” Investopedia, 2023.

- ACA Group. “Proposed Regulation Best Execution Standard.” ACA Group, 30 Mar. 2023.

![Sleek, intersecting planes, one teal, converge at a reflective central module. This visualizes an institutional digital asset derivatives Prime RFQ, enabling RFQ price discovery across liquidity pools](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-digital-asset-derivatives-rfq-engine-optimizing-institutional-liquidity-aggregation-and-best-execution.jpg)

## Reflection

The examination of FINRA and MiFID II’s best execution frameworks moves beyond a simple compliance checklist. It prompts a deeper inquiry into the design of a firm’s entire trading apparatus. The regulations are external inputs, but the response must be an integrated, internal system of technology, governance, and quantitative analysis.

How does your current operational architecture measure up not just to the letter of these rules, but to their underlying intent? Is your firm’s data infrastructure a defensive tool for audits, or is it an active intelligence layer that drives superior execution outcomes?

Viewing these regulatory mandates as architectural specifications for your firm’s trading system allows for a more strategic perspective. The challenge is to build a single, coherent execution framework that can dynamically adapt to jurisdictional demands while consistently pursuing the universal goal of optimal outcomes for clients. The knowledge gained from this analysis is a component in that larger system, a tool for refining the logic, strengthening the controls, and ultimately enhancing the capital efficiency of your entire operational platform.

![A stylized RFQ protocol engine, featuring a central price discovery mechanism and a high-fidelity execution blade. Translucent blue conduits symbolize atomic settlement pathways for institutional block trades within a Crypto Derivatives OS, ensuring capital efficiency and best execution](https://options.greeks.live/wp-content/uploads/2025/07/high-fidelity-rfq-execution-for-digital-asset-derivatives.jpg)

## Glossary

<a href="https://prime.greeks.live/area/financial-industry-regulatory-authority/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A central rod, symbolizing an RFQ inquiry, links distinct liquidity pools and market makers. A transparent disc, an execution venue, facilitates price discovery](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-rfq-protocol-execution-optimization.jpg)

## Financial Industry Regulatory Authority

Meaning ▴ The Financial Industry Regulatory Authority, commonly known as FINRA, operates as the largest independent regulator for all securities firms conducting business with the public in the United States. </a><a href="https://prime.greeks.live/area/reasonable-diligence/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A modular, institutional-grade device with a central data aggregation interface and metallic spigot. This Prime RFQ represents a robust RFQ protocol engine, enabling high-fidelity execution for institutional digital asset derivatives, optimizing capital efficiency and best execution](https://options.greeks.live/wp-content/uploads/2025/08/principals-institutional-digital-asset-derivatives-prime-os-for-optimized-rfq-protocol-best-execution-system.jpg)

## Reasonable Diligence

Meaning ▴ Reasonable Diligence denotes the systematic and prudent level of investigation and care an institutional participant is expected to undertake to identify, assess, and mitigate risks associated with financial transactions, market participants, and operational processes within the digital asset ecosystem. </a><a href="https://prime.greeks.live/area/finra-rule-5310/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A multi-faceted algorithmic execution engine, reflective with teal components, navigates a cratered market microstructure. It embodies a Principal's operational framework for high-fidelity execution of digital asset derivatives, optimizing capital efficiency, best execution via RFQ protocols in a Prime RFQ](https://options.greeks.live/wp-content/uploads/2025/07/advanced-rfq-protocol-engine-for-institutional-digital-asset-derivatives.jpg)

## Finra Rule 5310

Meaning ▴ FINRA Rule 5310 mandates broker-dealers diligently seek the best market for customer orders. </a><a href="https://prime.greeks.live/area/execution-quality/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A metallic, circular mechanism, a precision control interface, rests on a dark circuit board. This symbolizes the core intelligence layer of a Prime RFQ, enabling low-latency, high-fidelity execution for institutional digital asset derivatives via optimized RFQ protocols, refining market microstructure](https://options.greeks.live/wp-content/uploads/2025/08/precision-rfq-protocol-engine-for-institutional-digital-asset-derivatives.jpg)

## Execution Quality

Meaning ▴ Execution Quality quantifies the efficacy of an order's fill, assessing how closely the achieved trade price aligns with the prevailing market price at submission, alongside consideration for speed, cost, and market impact. </a><a href="https://prime.greeks.live/area/regulatory-technical-standards/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Abstract structure combines opaque curved components with translucent blue blades, a Prime RFQ for institutional digital asset derivatives. It represents market microstructure optimization, high-fidelity execution of multi-leg spreads via RFQ protocols, ensuring best execution and capital efficiency across liquidity pools](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-optimizing-market-microstructure-for-high-fidelity-execution-best-execution-price-discovery-across-liquidity-pools-and-prime-os.jpg)

## Regulatory Technical Standards

Meaning ▴ Regulatory Technical Standards, or RTS, are legally binding technical specifications developed by European Supervisory Authorities to elaborate on the details of legislative acts within the European Union's financial services framework. </a><a href="https://prime.greeks.live/area/order-execution-policy/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek, high-fidelity beige device with reflective black elements and a control point, set against a dynamic green-to-blue gradient sphere. This abstract representation symbolizes institutional-grade RFQ protocols for digital asset derivatives, ensuring high-fidelity execution and price discovery within market microstructure, powered by an intelligence layer for alpha generation and capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-institutional-digital-asset-derivatives-rfq-execution-terminal-system.jpg)

## Order Execution Policy

Meaning ▴ An Order Execution Policy defines the systematic procedures and criteria governing how an institutional trading desk processes and routes client or proprietary orders across various liquidity venues. </a><a href="https://prime.greeks.live/area/execution-factors/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A precision execution pathway with an intelligence layer for price discovery, processing market microstructure data. A reflective block trade sphere signifies private quotation within a dark pool](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-engine-precision-execution.jpg)

## Execution Factors

Meaning ▴ Execution Factors are the quantifiable, dynamic variables that directly influence the outcome and quality of a trade execution within institutional digital asset markets. </a><a href="https://prime.greeks.live/area/best-execution/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Abstract geometric planes, translucent teal representing dynamic liquidity pools and implied volatility surfaces, intersect a dark bar. This signifies FIX protocol driven algorithmic trading and smart order routing](https://options.greeks.live/wp-content/uploads/2025/07/optimized-institutional-digital-asset-derivatives-rfq-liquidity-aggregation.jpg)

## Best Execution

Meaning ▴ Best Execution is the obligation to obtain the most favorable terms reasonably available for a client's order. </a><a href="https://prime.greeks.live/area/all-sufficient-steps/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Polished, curved surfaces in teal, black, and beige delineate the intricate market microstructure of institutional digital asset derivatives. These distinct layers symbolize segregated liquidity pools, facilitating optimal RFQ protocol execution and high-fidelity execution, minimizing slippage for large block trades and enhancing capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/precision-rfq-protocol-execution-institutional-digital-asset-derivatives-flow.jpg)

## All Sufficient Steps

Meaning ▴ All Sufficient Steps denotes a design principle and operational mandate within a system where every component or process is engineered to autonomously achieve its defined objective without requiring external intervention or additional inputs beyond its initial parameters. </a><a href="https://prime.greeks.live/area/smart-order-router/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A teal-blue disk, symbolizing a liquidity pool for digital asset derivatives, is intersected by a bar. This represents an RFQ protocol or block trade, detailing high-fidelity execution pathways](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-rfq-protocols-high-fidelity-digital-asset-execution.jpg)

## Smart Order Router

Meaning ▴ A Smart Order Router (SOR) is an algorithmic trading mechanism designed to optimize order execution by intelligently routing trade instructions across multiple liquidity venues. </a><a href="https://prime.greeks.live/area/rule-5310/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sophisticated system's core component, representing an Execution Management System, drives a precise, luminous RFQ protocol beam. This beam navigates between balanced spheres symbolizing counterparties and intricate market microstructure, facilitating institutional digital asset derivatives trading, optimizing price discovery, and ensuring high-fidelity execution within a prime brokerage framework](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-execution-engine-10.jpg)

## Rule 5310

Meaning ▴ Rule 5310 mandates that registered persons provide written notice to their firm regarding any outside business activities, allowing the firm to assess and approve or disapprove such engagements. </a><a href="https://prime.greeks.live/question/how-has-mifid-ii-impacted-the-use-of-systematic-internalisers-in-the-european-union/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A multifaceted, luminous abstract structure against a dark void, symbolizing institutional digital asset derivatives market microstructure. Its sharp, reflective surfaces embody high-fidelity execution, RFQ protocol efficiency, and precise price discovery](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-trading-protocol-architecture-optimizing-high-fidelity-rfq-execution-and-latent-liquidity-discovery.jpg)

## European Union

MiFID II architected the SI regime to channel bilateral trading into a transparent, data-rich, and systematically regulated framework. </a><a href="https://prime.greeks.live/area/mifid-ii/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A precision-engineered metallic cross-structure, embodying an RFQ engine's market microstructure, showcases diverse elements. One granular arm signifies aggregated liquidity pools and latent liquidity](https://options.greeks.live/wp-content/uploads/2025/07/institutional-rfq-engine-microstructure-for-atomic-settlement.jpg)

## Mifid Ii

Meaning ▴ MiFID II, the Markets in Financial Instruments Directive II, constitutes a comprehensive regulatory framework enacted by the European Union to govern financial markets, investment firms, and trading venues. </a><a href="https://prime.greeks.live/area/rts-28/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek, institutional-grade Prime RFQ component features intersecting transparent blades with a glowing core. This visualizes a precise RFQ execution engine, enabling high-fidelity execution and dynamic price discovery for digital asset derivatives, optimizing market microstructure for capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-digital-asset-derivatives-rfq-engine-for-best-execution-microstructure.jpg)

## Rts 28

Meaning ▴ RTS 28 refers to Regulatory Technical Standard 28 under MiFID II, which mandates investment firms and market operators to publish annual reports on the quality of execution of transactions on trading venues and for financial instruments. </a><a href="https://prime.greeks.live/area/transaction-cost-analysis/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Abstract depiction of an advanced institutional trading system, featuring a prominent sensor for real-time price discovery and an intelligence layer. Visible circuitry signifies algorithmic trading capabilities, low-latency execution, and robust FIX protocol integration for digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-prime-os-high-fidelity-rfq-protocols.jpg)

## Transaction Cost Analysis

Meaning ▴ Transaction Cost Analysis (TCA) is the quantitative methodology for assessing the explicit and implicit costs incurred during the execution of financial trades. </a><a href="https://prime.greeks.live/area/execution-policy/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sharp, teal blade precisely dissects a cylindrical conduit. This visualizes surgical high-fidelity execution of block trades for institutional digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-precision-execution-microstructure.jpg)

## Execution Policy

Meaning ▴ An Execution Policy defines a structured set of rules and computational logic governing the handling and execution of financial orders within a trading system. </a><a href="https://prime.greeks.live/area/payment-for-order-flow/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A central blue sphere, representing a Liquidity Pool, balances on a white dome, the Prime RFQ. Perpendicular beige and teal arms, embodying RFQ protocols and Multi-Leg Spread strategies, extend to four peripheral blue elements](https://options.greeks.live/wp-content/uploads/2025/07/high-fidelity-digital-asset-derivatives-rfq-protocol-execution-framework.jpg)

## Payment for Order Flow

Meaning ▴ Payment for Order Flow (PFOF) designates the financial compensation received by a broker-dealer from a market maker or wholesale liquidity provider in exchange for directing client order flow to them for execution. </a><a href="https://prime.greeks.live/area/order-execution/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A metallic disc, reminiscent of a sophisticated market interface, features two precise pointers radiating from a glowing central hub. This visualizes RFQ protocols driving price discovery within institutional digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocols-price-discovery.jpg)

## Order Execution

Meaning ▴ Order Execution defines the precise operational sequence that transforms a Principal's trading intent into a definitive, completed transaction within a digital asset market. </a><a href="https://prime.greeks.live/area/transaction-cost/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek Principal's Operational Framework connects to a glowing, intricate teal ring structure. This depicts an institutional-grade RFQ protocol engine, facilitating high-fidelity execution for digital asset derivatives, enabling private quotation and optimal price discovery within market microstructure](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-execution-engine-for-digital-asset-derivatives-rfq.jpg)

## Transaction Cost

Meaning ▴ Transaction Cost represents the total quantifiable economic friction incurred during the execution of a trade, encompassing both explicit costs such as commissions, exchange fees, and clearing charges, alongside implicit costs like market impact, slippage, and opportunity cost. </a><a href="https://prime.greeks.live/area/rts-27/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A precision mechanical assembly: black base, intricate metallic components, luminous mint-green ring with dark spherical core. This embodies an institutional Crypto Derivatives OS, its market microstructure enabling high-fidelity execution via RFQ protocols for intelligent liquidity aggregation and optimal price discovery](https://options.greeks.live/wp-content/uploads/2025/08/institutional-crypto-derivatives-rfq-engine-high-fidelity-execution.jpg)

## Rts 27

Meaning ▴ RTS 27 mandates that investment firms and market operators publish detailed data on the quality of execution of transactions on their venues. </a>

**Tags:** [RTS 28](https://options.greeks.live/area/rts-28/), [MiFID II](https://options.greeks.live/area/mifid-ii/), [Regulatory Technical Standards](https://options.greeks.live/area/regulatory-technical-standards/), [Execution Policy](https://options.greeks.live/area/execution-policy/), [All Sufficient Steps](https://options.greeks.live/area/all-sufficient-steps/), [Smart Order Router](https://options.greeks.live/area/smart-order-router/)	

## Discover More

- 
### [What Are the Key Differences in Best Execution Requirements between US and European Regulations?](https://options.greeks.live/question/what-are-the-key-differences-in-best-execution-requirements-between-us-and-european-regulations/)
![Abstract composition featuring transparent liquidity pools and a structured Prime RFQ platform. Crossing elements symbolize algorithmic trading and multi-leg spread execution, visualizing high-fidelity execution within market microstructure for institutional digital asset derivatives via RFQ protocols.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-trading-system-precision-engineering-facilitating-high-fidelity-execution-via-rfq-protocols-and-optimal-liquidity-aggregation.jpg)

US best execution demands "reasonable diligence" via review, while the EU's MiFID II mandates "all sufficient steps" in a more prescriptive system.

- 
### [What Are the Key Differences in Best Execution Rules between the US and Europe?](https://options.greeks.live/question/what-are-the-key-differences-in-best-execution-rules-between-the-us-and-europe/)
![A precision execution pathway with an intelligence layer for price discovery, processing market microstructure data. A reflective block trade sphere signifies private quotation within a dark pool. This visualizes high-fidelity execution and capital efficiency for institutional digital asset derivatives via RFQ protocols.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-engine-precision-execution.jpg)

US best execution prioritizes favorable outcomes; Europe's MiFID II mandates a sufficient, data-driven process to prove it.

- 
### [How Does MiFID II Define the Execution Factors for Determining Best Execution?](https://options.greeks.live/question/how-does-mifid-ii-define-the-execution-factors-for-determining-best-execution/)
![A precise mechanical interaction between structured components and a central dark blue element. This abstract representation signifies high-fidelity execution of institutional RFQ protocols for digital asset derivatives, optimizing price discovery and minimizing slippage within robust market microstructure.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-system-interface.jpg)

MiFID II defines best execution factors as a holistic set of variables for achieving the optimal, context-dependent result for a client.

- 
### [What Are the Key Differences between US and EU Best Execution Documentation Requirements?](https://options.greeks.live/question/what-are-the-key-differences-between-us-and-eu-best-execution-documentation-requirements/)
![A sophisticated institutional-grade system's internal mechanics. A central metallic wheel, symbolizing an algorithmic trading engine, sits above glossy surfaces with luminous data pathways and execution triggers. This abstract visualizes high-fidelity execution for digital asset derivatives, optimizing market microstructure and RFQ protocol efficiency within a Prime RFQ.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-engine-core.jpg)

US best execution centers on documenting internal diligence, while the EU mandates prescriptive public data disclosure for validation.

- 
### [What Are the Key Differences in Best Execution Rules between the US and the EU?](https://options.greeks.live/question/what-are-the-key-differences-in-best-execution-rules-between-the-us-and-the-eu/)
![Stacked, multi-colored discs symbolize an institutional RFQ Protocol's layered architecture for Digital Asset Derivatives. This embodies a Prime RFQ enabling high-fidelity execution across diverse liquidity pools, optimizing multi-leg spread trading and capital efficiency within complex market microstructure.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-stack-for-high-fidelity-execution.jpg)

US and EU best execution rules differ in the EU's prescriptive, multi-factor approach versus the US's price-centric, principles-based framework.

- 
### [How Does MiFID II Redefine the Concept of Best Execution?](https://options.greeks.live/question/how-does-mifid-ii-redefine-the-concept-of-best-execution/)
![A sophisticated internal mechanism of a split sphere reveals the core of an institutional-grade RFQ protocol. Polished surfaces reflect intricate components, symbolizing high-fidelity execution and price discovery within digital asset derivatives. This architecture supports multi-leg spreads and atomic settlement for block trades on a Prime RFQ.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-system.jpg)

MiFID II codifies best execution as an engineering discipline requiring a demonstrable, data-driven system to deliver the best outcome.

- 
### [What Are the Regulatory Requirements for Best Execution When Using RFQ Protocols?](https://options.greeks.live/question/what-are-the-regulatory-requirements-for-best-execution-when-using-rfq-protocols/)
![A sophisticated mechanism features a segmented disc, indicating dynamic market microstructure and liquidity pool partitioning. This system visually represents an RFQ protocol's price discovery process, crucial for high-fidelity execution of institutional digital asset derivatives and managing counterparty risk within a Prime RFQ.](https://options.greeks.live/wp-content/uploads/2025/07/advanced-digital-asset-derivatives-rfq-liquidity-aggregation-system.jpg)

Regulatory best execution for RFQs requires a systematic, data-driven process to prove diligent sourcing of the most favorable client outcome.

- 
### [How Has MiFID II Specifically Altered Best Execution Requirements for Fixed Income RFQs?](https://options.greeks.live/question/how-has-mifid-ii-specifically-altered-best-execution-requirements-for-fixed-income-rfqs/)
![An intricate, transparent cylindrical system depicts a sophisticated RFQ protocol for digital asset derivatives. Internal glowing elements signify high-fidelity execution and algorithmic trading. A central angular structure represents atomic settlement and multi-leg spread capabilities, ensuring best execution within institutional trading.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-protocol-architecture.jpg)

MiFID II transformed fixed income RFQ best execution from a qualitative duty into a quantitatively provable, data-driven process.

- 
### [What Are the Key Differences in Best Execution Obligations between the Us and European Markets?](https://options.greeks.live/question/what-are-the-key-differences-in-best-execution-obligations-between-the-us-and-european-markets/)
![A multi-faceted crystalline star, symbolizing the intricate Prime RFQ architecture, rests on a reflective dark surface. Its sharp angles represent precise algorithmic trading for institutional digital asset derivatives, enabling high-fidelity execution and price discovery. This encapsulates RFQ protocols, multi-leg spread optimization, capital efficiency, and market microstructure dynamics.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocols-high-fidelity-execution-market-microstructure-optimization-for-prime-os-alpha-generation.jpg)

US best execution is a principles-based holistic duty; the EU's is a prescriptive, data-driven mandate focused on total cost.

---

## Raw Schema Data

```json
{
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "name": "Home",
            "item": "https://options.greeks.live"
        },
        {
            "@type": "ListItem",
            "position": 2,
            "name": "Question",
            "item": "https://options.greeks.live/question/"
        },
        {
            "@type": "ListItem",
            "position": 3,
            "name": "What Are the Primary Differences in Best Execution Obligations between FINRA and MiFID II Frameworks?",
            "item": "https://options.greeks.live/question/what-are-the-primary-differences-in-best-execution-obligations-between-finra-and-mifid-ii-frameworks/"
        }
    ]
}
```

```json
{
    "@context": "https://schema.org",
    "@type": "Organization",
    "@id": "https://greeks.live/#organization",
    "name": "Greeks.Live",
    "url": "https://greeks.live/",
    "description": "Greeks.live is the definitive toolkit for the professional options trader, dedicated to empowering our users with institutional-grade data, advanced analytics, and a comprehensive suite of trading tools designed to provide a decisive edge in the market. Every article and guide published under the Greeks.live name is a product of our deep commitment to data-driven analysis and our mission to support the global trading community.",
    "email": "support@greeks.live",
    "logo": {
        "@type": "ImageObject",
        "url": "https://options.greeks.live/wp-content/uploads/2025/07/Greeks.Live-Logo-Icon.svg"
    },
    "hasPart": [
        {
            "@type": "WebSite",
            "name": "About Us",
            "url": "https://about.greeks.live"
        },
        {
            "@type": "WebSite",
            "name": "App Download Page",
            "url": "https://about.greeks.live/#/download/basic_trade"
        },
        {
            "@type": "WebSite",
            "name": "Newcomers' Guide",
            "url": "https://twisty-sign-c8b.notion.site/Guide-for-Greeks-live-X-Deribit-Newbies-5a08a3052822427d800af6eaf3704c8d"
        },
        {
            "@type": "WebSite",
            "name": "Knowledge Base",
            "url": "https://linktr.ee/greeks.live"
        },
        {
            "@type": "WebSite",
            "name": "Option Terminology",
            "url": "https://greekslive.notion.site/88dfc00e7c584d4d8969b6302a79a12f?pvs=4"
        },
        {
            "@type": "WebSite",
            "name": "Terms of Service",
            "url": "https://greeks.live/#/tos"
        },
        {
            "@type": "WebSite",
            "name": "Disclaimer",
            "url": "https://greeks.live/#/disclaimer"
        }
    ],
    "sameAs": [
        "https://x.com/greekslive",
        "https://youtube.com/@greeks_live?si=-KjT0Lkw4WUCI0tD",
        "https://t.me/greekslive_notifications",
        "https://t.me/greekslive",
        "https://pinterest.com/greekslive/"
    ],
    "makesOffer": [
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "RFQ Platform",
                "url": "https://rfq.greeks.live",
                "description": "Execute institutional-grade block trades for crypto options and futures. This platform provides deep, over-the-counter (OTC) liquidity via a professional Request for Quote system.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Lending Tools",
                "url": "https://lend.greeks.live",
                "description": "Manage crypto lending and borrowing activities to earn yield or secure loans. This suite of tools helps users analyze interest rates and manage collateralized debt positions.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Data Lab",
                "url": "https://greeks.live/#/deribit/tools/datalab/BTC",
                "description": "Analyze historical and real-time options data with advanced metrics. This tool is designed for backtesting strategies and identifying market trends through comprehensive data visualization.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Profit & Loss Analysis (PnL)",
                "url": "https://greeks.live/#/deribit/tools/pnl_analysis",
                "description": "Track and analyze the Profit and Loss (PnL) of your options portfolio. This tool provides detailed performance metrics to help traders evaluate and refine their strategies.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Position Visualization",
                "url": "https://greeks.live/#/deribit/tools/pv/BTC",
                "description": "Visualize complex options positions and their corresponding risk profiles. This tool generates payoff diagrams to help traders intuitively understand potential profit, loss, and exposure.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Options Calculator",
                "url": "https://greeks.live/#/deribit/tools/calculator",
                "description": "Calculate the theoretical price and risk parameters ('the Greeks') of crypto options. An essential tool for pricing new trades and analyzing the sensitivity of existing positions.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Greeks.live Main Platform",
                "url": "https://greeks.live/",
                "description": "The central hub for the Greeks.live suite of professional cryptocurrency options and derivatives trading tools. Access analytics, manage positions, and explore the ecosystem.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Community Forum",
                "url": "https://t.greeks.live",
                "description": "Join the official Greeks.live community. Connect with other traders, share insights, and receive the latest updates directly from the team.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Greeks.live for Deribit",
                "url": "http://deribit.greeks.live",
                "description": "A dedicated interface for trading on the Deribit exchange. This platform leverages Greeks.live's advanced analytics and tools specifically for users of Deribit's options and futures markets.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "Greeks.live for OKX",
                "url": "http://okx.greeks.live",
                "description": "A dedicated interface for trading on the OKX exchange. This platform integrates Greeks.live's powerful analytics with the OKX marketplace, focusing on its options and derivatives products.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "GLVS.AI Trading Platform",
                "url": "https://www.glvs.ai/",
                "description": "An AI-powered platform for automated crypto options trading. Leverage advanced algorithms and data-driven signals to develop and deploy sophisticated, hands-free trading strategies.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        },
        {
            "@type": "Offer",
            "itemOffered": {
                "@type": "Service",
                "name": "API Testnet & Sandbox",
                "url": "https://test.greeks.live",
                "description": "A dedicated testnet environment for developers to test their API integrations and automated trading strategies. This sandbox allows for full functionality testing without risking real funds.",
                "provider": {
                    "@id": "https://greeks.live/#organization"
                }
            }
        }
    ],
    "subOrganization": [
        {
            "@type": "Organization",
            "name": "GreeksLive HK Co., Limited",
            "email": "support@greeks.live",
            "telephone": "+852-56418949",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Unit 11, 27/F, K. Wah Centre, 191 Java Road",
                "addressLocality": "Hong Kong",
                "addressRegion": "North Point",
                "addressCountry": "CN",
                "postalCode": "0000"
            },
            "geo": {
                "@type": "GeoCoordinates",
                "latitude": "22.2932357",
                "longitude": "114.2022026"
            },
            "image": "https://options.greeks.live/wp-content/uploads/2025/08/Wah-Centre-Hong-Kong.jpg"
        }
    ]
}
```

```json
{
    "@context": "https://schema.org",
    "@type": "Article",
    "mainEntityOfPage": {
        "@type": "WebPage",
        "@id": "https://options.greeks.live/question/what-are-the-primary-differences-in-best-execution-obligations-between-finra-and-mifid-ii-frameworks/"
    },
    "headline": "What Are the Primary Differences in Best Execution Obligations between FINRA and MiFID II Frameworks? \u25b4 Question",
    "description": "FINRA requires documented \"reasonable diligence,\" while MiFID II mandates a more prescriptive, data-driven proof of \"all sufficient steps.\" \u25b4 Question",
    "url": "https://options.greeks.live/question/what-are-the-primary-differences-in-best-execution-obligations-between-finra-and-mifid-ii-frameworks/",
    "datePublished": "2025-08-05T22:54:28+00:00",
    "dateModified": "2025-08-05T22:54:29+00:00",
    "articleSection": [
        "Question"
    ],
    "author": {
        "@id": "https://greeks.live/#organization"
    },
    "publisher": {
        "@id": "https://greeks.live/#organization"
    },
    "image": {
        "@type": "ImageObject",
        "url": "https://options.greeks.live/wp-content/uploads/2025/07/advanced-rfq-protocol-engine-for-institutional-digital-asset-derivatives.jpg",
        "caption": "A futuristic, multi-faceted algorithmic execution engine, reflective and translucent teal, orbits a cratered celestial body, symbolizing the complex market microstructure of digital assets. This institutional-grade Prime RFQ ensures high-fidelity execution for digital asset derivatives, including Bitcoin options and Ethereum futures. Leveraging advanced RFQ protocols for price discovery, it enables block trades with capital efficiency, mitigating slippage across liquidity pools, delivering best execution for Principal's operational frameworks."
    },
    "keywords": [
        "All Sufficient Steps",
        "Best Execution",
        "Cost Analysis",
        "Execution Factors",
        "Execution Policy",
        "Execution Quality",
        "Facts and Circumstances Analysis",
        "Financial Industry Regulatory Authority",
        "FINRA Rule 5310",
        "Market Microstructure",
        "MiFID II",
        "Order Execution",
        "Order Execution Policy",
        "Payment for Order Flow",
        "Reasonable Diligence",
        "Regular and Rigorous Review",
        "Regulatory Compliance",
        "Regulatory Technical Standards",
        "RTS 27",
        "RTS 28",
        "Rule 5310",
        "Smart Order Router",
        "Sufficient Steps",
        "Transaction Cost",
        "Transaction Cost Analysis"
    ]
}
```

```json
{
    "@context": "https://schema.org",
    "@type": "WebSite",
    "url": "https://options.greeks.live/",
    "potentialAction": {
        "@type": "SearchAction",
        "target": "https://options.greeks.live/?s=search_term_string",
        "query-input": "required name=search_term_string"
    }
}
```

```json
{
    "@context": "https://schema.org",
    "@type": "FAQPage",
    "mainEntity": [
        {
            "@type": "Question",
            "name": "How Do Execution Factors Differ In Practice?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "Both frameworks provide a list of factors that firms must consider when seeking best execution. However, the emphasis and granularity of these factors differ, influencing how a firm's smart order router (SOR) and execution policies must be designed. FINRA Rule 5310 outlines a non-exhaustive list of factors for its \"reasonable diligence\" standard. MiFID II, in contrast, specifies a more detailed set of criteria that firms must balance as part of their \"all sufficient steps\" obligation."
            }
        },
        {
            "@type": "Question",
            "name": "What Is The Role Of The Order Routing System?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "The firm's smart order router (SOR) or execution management system (EMS) is the engine that implements the best execution policy. It must be configured differently to comply with each set of rules."
            }
        }
    ]
}
```


---

**Original URL:** https://options.greeks.live/question/what-are-the-primary-differences-in-best-execution-obligations-between-finra-and-mifid-ii-frameworks/
