# How Does MiFID II Distinguish between an RFQ System and a Central Limit Order Book? ▴ Question

**Published:** 2025-08-07
**Categories:** Question

---

![A dynamically balanced stack of multiple, distinct digital devices, signifying layered RFQ protocols and diverse liquidity pools. Each unit represents a unique private quotation within an aggregated inquiry system, facilitating price discovery and high-fidelity execution for institutional-grade digital asset derivatives via an advanced Prime RFQ](https://options.greeks.live/wp-content/uploads/2025/07/dynamic-rfq-protocol-stacks-powering-institutional-digital-asset-derivatives-liquidity-aggregation-and-best-execution.jpg)

![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)

## Concept

The Markets in Financial Instruments Directive II (MiFID II) establishes a detailed regulatory landscape where the distinction between a [Request for Quote](https://prime.greeks.live/area/request-for-quote/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (RFQ) system and a [Central Limit Order Book](https://prime.greeks.live/area/central-limit-order-book/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (CLOB) is foundational. This differentiation is a core element of the directive’s objective to enhance transparency and efficiency in financial markets. A CLOB operates on a multilateral basis, continuously matching buy and sell orders from numerous participants based on a public set of rules, typically price-time priority.

This mechanism is the cornerstone of what are commonly termed “lit” markets, where [pre-trade transparency](https://prime.greeks.live/area/pre-trade-transparency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) is paramount. All market participants have access to the same order book data, which contributes directly to the [price discovery](https://prime.greeks.live/area/price-discovery/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) process.

In contrast, an [RFQ system](https://prime.greeks.live/area/rfq-system/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) functions as a bilateral or quasi-bilateral mechanism. A market participant initiates an inquiry for a specific financial instrument, which is then sent to a select group of [liquidity providers](https://prime.greeks.live/area/liquidity-providers/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite). These providers respond with quotes, and the initiator can choose which, if any, to accept. This process is inherently more discreet than a CLOB, as the initial request and the subsequent quotes are not broadcast to the entire market.

MiFID II recognizes the utility of [RFQ systems](https://prime.greeks.live/area/rfq-systems/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), particularly for instruments that are less liquid or for trades that are large in size, where immediate exposure to a central [order book](https://prime.greeks.live/area/order-book/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) could lead to significant market impact. The directive, therefore, provides specific rules for RFQ systems that operate within a trading venue, seeking to balance the need for pre-trade discretion with the overarching goal of market transparency.

The regulatory treatment of these two systems [under MiFID](https://prime.greeks.live/question/what-are-the-operational-consequences-of-misreporting-under-mifid-ii-versus-a-reporting-failure-under-emir/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) II diverges significantly, especially concerning pre-trade transparency requirements. For CLOBs, the directive mandates the publication of bid and offer prices and the depth of trading interest at those prices. This information must be made available to the public on a continuous basis during trading hours. For RFQ systems, [MiFID II](https://prime.greeks.live/area/mifid-ii/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) allows for waivers from these stringent pre-trade transparency obligations, acknowledging that full disclosure could disincentivize liquidity provision for large or illiquid trades.

However, to prevent the wholesale migration of trading to less transparent venues, the directive imposes conditions on the use of these waivers. For instance, the [Large-in-Scale](https://prime.greeks.live/area/large-in-scale/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (LIS) waiver permits firms to arrange large [trades without pre-trade transparency](https://prime.greeks.live/question/how-does-the-fix-protocol-technically-enable-the-execution-of-a-large-in-scale-order-without-pre-trade-transparency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), but the definition of “large” is rigorously defined for different asset classes.

The distinction also has profound implications for the price formation process. A [CLOB](https://prime.greeks.live/area/clob/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) facilitates a centralized price discovery mechanism where the interaction of all market orders determines the prevailing market price. This is a public and continuous process. An [RFQ](https://prime.greeks.live/area/rfq/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) system, on the other hand, contributes to price discovery in a more fragmented manner.

The “point-in-time” price agreed upon in an RFQ transaction is the result of a competitive process among a limited number of participants. While this price is a valid reflection of the instrument’s value at that moment, it does not contribute to the public price discovery process in the same way as a CLOB. MiFID II’s [post-trade transparency](https://prime.greeks.live/area/post-trade-transparency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) rules, which require the publication of trade details as close to real-time as technically possible, are designed to mitigate this by ensuring that all market participants are eventually informed of the prices at which transactions have occurred, regardless of the execution mechanism.

![Sleek, two-tone devices precisely stacked on a stable base represent an institutional digital asset derivatives trading ecosystem. This embodies layered RFQ protocols, enabling multi-leg spread execution and liquidity aggregation within a Prime RFQ for high-fidelity execution, optimizing counterparty risk and market microstructure](https://options.greeks.live/wp-content/uploads/2025/08/institutional-digital-asset-derivatives-rfq-prime-os-architecture.jpg)

![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)

## Strategy

From a strategic perspective, the choice between a CLOB and an RFQ system under MiFID II is a function of the trading objective, the characteristics of the instrument, and the desire to manage information leakage. For a portfolio manager seeking to execute a large block trade in an illiquid corporate bond, an RFQ system is often the superior strategic choice. The ability to selectively approach a known set of liquidity providers minimizes the risk of adverse price movements that could result from signaling a large trading interest to the broader market.

This controlled dissemination of information is a key strategic advantage of the RFQ protocol. MiFID II’s framework, by providing for pre-trade transparency waivers for such trades, explicitly accommodates this strategy, recognizing that forcing such orders onto a lit order book could be detrimental to the end investor.

Conversely, for a high-frequency trading firm specializing in liquid equities, the CLOB is the natural habitat. The continuous flow of order information, the tight bid-ask spreads, and the speed of execution are all critical to the success of strategies that rely on capturing small, fleeting price discrepancies. The full pre-trade transparency of the CLOB is not a hindrance but a necessary input for the algorithms that drive these strategies. The strategic decision here is not whether to use a CLOB, but which CLOB to use, based on factors such as latency, co-location services, and the specific market-making programs offered by the venue.

> The choice between a CLOB and an RFQ system under MiFID II is a function of the trading objective, the characteristics of the instrument, and the desire to manage information leakage.

![Precision instruments, resembling calibration tools, intersect over a central geared mechanism. This metaphor illustrates the intricate market microstructure and price discovery for institutional digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-rfq-execution-engine-microstructure-analytics.jpg)

## Comparing CLOB and RFQ under MiFID II

The following table provides a comparative overview of the strategic considerations for using a CLOB versus an RFQ system within the MiFID II framework:

| Feature | Central Limit Order Book (CLOB) | Request for Quote (RFQ) System |
| --- | --- | --- |
| Liquidity Type | Anonymous, all-to-all | Disclosed, dealer-to-client |
| Price Discovery | Continuous, multilateral | Point-in-time, bilateral/quasi-bilateral |
| Pre-Trade Transparency | Mandatory (with limited waivers) | Waivers available (e.g. Large-in-Scale) |
| Information Leakage | High | Low |
| Ideal Use Case | Liquid instruments, small-to-medium order sizes | Illiquid instruments, large order sizes |
| Strategic Advantage | Speed, price improvement | Minimized market impact, access to deeper liquidity |

![Central metallic hub connects beige conduits, representing an institutional RFQ engine for digital asset derivatives. It facilitates multi-leg spread execution, ensuring atomic settlement, optimal price discovery, and high-fidelity execution within a Prime RFQ for capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-digital-asset-derivatives-rfq-protocol-execution-hub.jpg)

## The Role of Systematic Internalisers

MiFID II also introduced the concept of the [Systematic Internaliser](https://prime.greeks.live/area/systematic-internaliser/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (SI), which adds another layer of strategic complexity. An SI is an investment firm that, on an organized, frequent, systematic, and substantial basis, deals on its own account when executing client orders outside a regulated market, an MTF, or an OTF. An SI can be seen as a hybrid model, offering bilateral execution like an RFQ system but with its own set of transparency obligations.

For certain instruments, an SI must provide firm quotes, but these are directed at their clients rather than the entire market. The rise of SIs has provided another strategic alternative for market participants, particularly those seeking to avoid the open market of a CLOB while still achieving competitive pricing.

- **For the buy-side** ▴ SIs can offer a valuable source of liquidity, often with reduced market impact compared to a CLOB. The strategic decision involves which SIs to connect to and how to integrate their quotes into the [best execution](https://prime.greeks.live/area/best-execution/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) process.

- **For the sell-side** ▴ Becoming an SI can be a strategic move to internalize order flow and capture bid-ask spreads. However, this comes with significant operational and regulatory overhead, including the need to publish quotes and report transactions.

![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)

![A sleek, multi-component device in dark blue and beige, symbolizing an advanced institutional digital asset derivatives platform. The central sphere denotes a robust liquidity pool for aggregated inquiry](https://options.greeks.live/wp-content/uploads/2025/08/institutional-digital-asset-derivatives-rfq-execution-platform-system.jpg)

## Execution

The execution of trades under MiFID II is governed by a detailed set of rules that differ significantly for CLOB and RFQ systems. These rules are designed to ensure that the principles of transparency and best execution are upheld, regardless of the chosen trading mechanism. For a trader, understanding these executional nuances is critical for both compliance and performance.

![A reflective disc, symbolizing a Prime RFQ data layer, supports a translucent teal sphere with Yin-Yang, representing Quantitative Analysis and Price Discovery for Digital Asset Derivatives. A sleek mechanical arm signifies High-Fidelity Execution and Algorithmic Trading via RFQ Protocol, within a Principal's Operational Framework](https://options.greeks.live/wp-content/uploads/2025/07/precision-execution-digital-asset-derivatives-rfq-protocols-principal-trading-infrastructure-automated-liquidity-aggregation-intelligence-layer.jpg)

## Pre-Trade Transparency and Waivers

The default execution model under MiFID II is the lit CLOB, where pre-trade transparency is the norm. However, the directive provides for several waivers that can be used to execute trades without pre-trade transparency. The most relevant of these for the CLOB vs.

RFQ discussion is the Large-in-Scale (LIS) waiver. The following table outlines the key executional differences related to pre-trade transparency:

| Execution Aspect | Central Limit Order Book (CLOB) | Request for Quote (RFQ) System |
| --- | --- | --- |
| Standard Pre-Trade Transparency | Full publication of bids, offers, and depths | Not applicable; quotes are private |
| Use of LIS Waiver | Possible for orders above the LIS threshold | The primary mechanism for large trades |
| Order Handling | Orders are entered into the book and matched according to the venue’s rules | A request is sent to selected liquidity providers, who respond with quotes |
| Execution Certainty | High for marketable orders in liquid instruments | Dependent on receiving competitive quotes |

> The execution of trades under MiFID II is governed by a detailed set of rules that differ significantly for CLOB and RFQ systems.

![Sleek, metallic components with reflective blue surfaces depict an advanced institutional RFQ protocol. Its central pivot and radiating arms symbolize aggregated inquiry for multi-leg spread execution, optimizing order book dynamics](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-rfq-microstructure-for-institutional-digital-asset-derivatives.jpg)

## Post-Trade Transparency

While pre-trade transparency rules differ, MiFID II’s post-trade transparency requirements are more uniform. The goal is to provide the market with timely information on all trades, regardless of how they were executed. However, there are still some executional differences, particularly concerning deferrals.

- **CLOB Trades** ▴ Trades executed on a CLOB are typically reported immediately by the trading venue. Deferrals are generally not applicable, as the trades are already subject to pre-trade transparency.

- **RFQ Trades** ▴ For large trades executed via RFQ under the [LIS waiver](https://prime.greeks.live/area/lis-waiver/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), it is possible to defer the publication of post-trade reports. The length of the deferral depends on the asset class and the size of the trade. This is a critical executional detail for firms trading in large sizes, as it allows them to manage their position without immediately revealing their full hand to the market.

![A translucent institutional-grade platform reveals its RFQ execution engine with radiating intelligence layer pathways. Central price discovery mechanisms and liquidity pool access points are flanked by pre-trade analytics modules for digital asset derivatives and multi-leg spreads, ensuring high-fidelity execution](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-core-platform.jpg)

## Best Execution

MiFID II places a strong emphasis on the concept of best execution. Firms are required to take all sufficient steps to obtain the best possible result for their clients, taking into account price, costs, speed, likelihood of execution and settlement, size, nature, or any other consideration relevant to the execution of the order. This obligation applies to both CLOB and RFQ trading.

The practical implementation of best execution differs between the two systems:

- **CLOB Execution** ▴ For trades on a CLOB, best execution analysis often involves comparing the execution price to a benchmark such as the Volume-Weighted Average Price (VWAP) or the prevailing Best Bid and Offer (BBO) at the time of the trade. The analysis will also consider factors such as the speed of execution and the fill rate.

- **RFQ Execution** ▴ For RFQ trades, best execution is demonstrated by showing that the chosen quote was the best available from the panel of liquidity providers that were solicited. Firms must have a clear policy for how they select the liquidity providers to include in an RFQ and must be able to justify their choice. The audit trail for an RFQ transaction must show the quotes received and the reason for selecting the winning quote.

The distinction between RFQ systems and CLOBs under MiFID II is a cornerstone of the regulation’s attempt to create a more transparent and efficient European market structure. While CLOBs provide a model of full pre-trade transparency and centralized price discovery, RFQ systems offer a necessary alternative for larger and more illiquid trades where discretion is key. The directive’s detailed rules on pre- and post-trade transparency, as well as its emphasis on best execution, are designed to ensure that both systems can coexist within a robust regulatory framework that protects investors and promotes fair and orderly markets.

![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)

## References

- Electronic Debt Markets Association. “The Value of RFQ.” EDMA Europe, 2018.

- Autoriteit Financiële Markten. “A review of MiFID II and MiFIR.” AFM, 2021.

- “Best Execution Under MiFID II.” 2017.

- “MiFID II London Client Event.” London Stock Exchange Group, 2017.

- “Exchange Types Explained ▴ CLOB, RFQ, AMM.” Hummingbot, 2019.

![Abstract visualization of institutional RFQ protocol for digital asset derivatives. Translucent layers symbolize dark liquidity pools within complex market microstructure](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-execution-engine-6.jpg)

## Reflection

The intricate framework MiFID II constructs around different trading protocols compels a deeper consideration of one’s own operational architecture. The distinctions between a CLOB and an RFQ system are not merely regulatory technicalities; they represent fundamental choices about how a firm interacts with the market and manages its liquidity. Viewing these protocols as interchangeable tools within a broader execution strategy is the first step.

The next is to assess whether the current operational setup is capable of dynamically selecting the optimal execution pathway for any given trade, under any market condition. The knowledge of these systems is a component of a larger intelligence apparatus, one that, when properly integrated, provides a significant operational advantage.

![A symmetrical, multi-faceted structure depicts an institutional Digital Asset Derivatives execution system. Its central crystalline core represents high-fidelity execution and atomic settlement](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-engine-microstructure.jpg)

## Glossary

<a href="https://prime.greeks.live/area/central-limit-order-book/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A symmetrical, intricate digital asset derivatives execution engine. Its metallic and translucent elements visualize a robust RFQ protocol facilitating multi-leg spread execution](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-best-execution.jpg)

## Central Limit Order Book

Meaning ▴ A Central Limit Order Book is a digital repository that aggregates all outstanding buy and sell orders for a specific financial instrument, organized by price level and time of entry. </a><a href="https://prime.greeks.live/area/request-for-quote/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Visualizing institutional digital asset derivatives market microstructure. A central RFQ protocol engine facilitates high-fidelity execution across diverse liquidity pools, enabling precise price discovery for multi-leg spreads](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-across-multi-asset-liquidity.jpg)

## Request for Quote

Meaning ▴ A Request for Quote, or RFQ, constitutes a formal communication initiated by a potential buyer or seller to solicit price quotations for a specified financial instrument or block of instruments from one or more liquidity providers. </a><a href="https://prime.greeks.live/area/pre-trade-transparency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Teal capsule represents a private quotation for multi-leg spreads within a Prime RFQ, enabling high-fidelity institutional digital asset derivatives execution. Dark spheres symbolize aggregated inquiry from liquidity pools](https://options.greeks.live/wp-content/uploads/2025/07/digital-asset-derivatives-rfq-prime-os-high-fidelity-execution.jpg)

## Pre-Trade Transparency

Meaning ▴ Pre-Trade Transparency refers to the real-time dissemination of bid and offer prices, along with associated sizes, prior to the execution of a trade. </a><a href="https://prime.greeks.live/area/price-discovery/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Abstract, layered spheres symbolize complex market microstructure and liquidity pools. A central reflective conduit represents RFQ protocols enabling block trade execution and precise price discovery for multi-leg spread strategies, ensuring high-fidelity execution within institutional trading of digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-engine-for-high-fidelity.jpg)

## Price Discovery

Meaning ▴ Price discovery is the continuous, dynamic process by which the market determines the fair value of an asset through the collective interaction of supply and demand. </a><a href="https://prime.greeks.live/area/liquidity-providers/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Central translucent blue sphere represents RFQ price discovery for institutional digital asset derivatives. Concentric metallic rings symbolize liquidity pool aggregation and multi-leg spread execution](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-engine-high-fidelity-execution-1.jpg)

## Liquidity Providers

Meaning ▴ Liquidity Providers are market participants, typically institutional entities or sophisticated trading firms, that facilitate efficient market operations by continuously quoting bid and offer prices for financial instruments. </a><a href="https://prime.greeks.live/area/rfq-system/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A precision metallic mechanism, with a central shaft, multi-pronged component, and blue-tipped element, embodies the market microstructure of an institutional-grade RFQ protocol. It represents high-fidelity execution, liquidity aggregation, and atomic settlement within a Prime RFQ for digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/08/prime-os-core-rfq-engine-microstructure-for-digital-asset-derivatives.jpg)

## Rfq System

Meaning ▴ An RFQ System, or Request for Quote System, is a dedicated electronic platform designed to facilitate the solicitation of executable prices from multiple liquidity providers for a specified financial instrument and quantity. </a><a href="https://prime.greeks.live/area/rfq-systems/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A precision probe, symbolizing Smart Order Routing, penetrates a multi-faceted teal crystal, representing Digital Asset Derivatives multi-leg spreads and volatility surface. Mounted on a Prime RFQ base, it illustrates RFQ protocols for high-fidelity execution within market microstructure](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-rfq-digital-asset-derivatives-high-fidelity-execution-probe.jpg)

## Rfq Systems

Meaning ▴ A Request for Quote (RFQ) System is a computational framework designed to facilitate price discovery and trade execution for specific financial instruments, particularly illiquid or customized assets in over-the-counter markets. </a><a href="https://prime.greeks.live/area/order-book/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek, reflective bi-component structure, embodying an RFQ protocol for multi-leg spread strategies, rests on a Prime RFQ base. Surrounding nodes signify price discovery points, enabling high-fidelity execution of digital asset derivatives with capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/precision-orchestration-of-institutional-digital-asset-derivatives-rfq-protocols-for-optimal-market-microstructure.jpg)

## Order Book

Meaning ▴ An Order Book is a real-time electronic ledger detailing all outstanding buy and sell orders for a specific financial instrument, organized by price level and sorted by time priority within each level. </a><a href="https://prime.greeks.live/question/what-are-the-operational-consequences-of-misreporting-under-mifid-ii-versus-a-reporting-failure-under-emir/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Sleek, modular infrastructure for institutional digital asset derivatives trading. Its intersecting elements symbolize integrated RFQ protocols, facilitating high-fidelity execution and precise price discovery across complex multi-leg spreads](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-system-optimizing-high-fidelity-block-trade-liquidity-and-multi-leg-spread-precision.jpg)

## Under Mifid

A MiFID II misreport corrupts market surveillance data; an EMIR failure hides systemic risk, creating distinct operational and reputational threats. </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">
![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)

## 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/question/how-does-the-fix-protocol-technically-enable-the-execution-of-a-large-in-scale-order-without-pre-trade-transparency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A precision-engineered interface for institutional digital asset derivatives. A circular system component, perhaps an Execution Management System EMS module, connects via a multi-faceted Request for Quote RFQ protocol bridge to a distinct teal capsule, symbolizing a bespoke block trade](https://options.greeks.live/wp-content/uploads/2025/07/precision-engineered-interface-for-institutional-digital-asset-derivatives-request-for-quote-protocol-high-fidelity-execution-within-principal-operating-system.jpg)

## Trades without Pre-Trade Transparency

The FIX protocol enables large, non-transparent orders by encoding complex algorithmic strategies into standardized messages for dark venues. </a><a href="https://prime.greeks.live/area/large-in-scale/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Two intertwined, reflective, metallic structures with translucent teal elements at their core, converging on a central nexus against a dark background. This represents a sophisticated RFQ protocol facilitating price discovery within digital asset derivatives markets, denoting high-fidelity execution and institutional-grade systems optimizing capital efficiency via latent liquidity and smart order routing across dark pools](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-rfq-execution-system-architecture.jpg)

## Large-In-Scale

Meaning ▴ Large-in-Scale designates an order quantity significantly exceeding typical displayed liquidity on lit exchanges, necessitating specialized execution protocols to mitigate market impact and price dislocation. </a><a href="https://prime.greeks.live/area/clob/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Dark precision apparatus with reflective spheres, central unit, parallel rails. Visualizes institutional-grade Crypto Derivatives OS for RFQ block trade execution, driving liquidity aggregation and algorithmic price discovery](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-execution-system.jpg)

## Clob

Meaning ▴ The Central Limit Order Book (CLOB) represents an electronic aggregation of all outstanding buy and sell limit orders for a specific financial instrument, organized by price level and time priority. </a><a href="https://prime.greeks.live/area/rfq/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A central multi-quadrant disc signifies diverse liquidity pools and portfolio margin. A dynamic diagonal band, an RFQ protocol or private quotation channel, bisects it, enabling high-fidelity execution for digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/high-fidelity-rfq-protocols-for-institutional-digital-asset-derivatives.jpg)

## Rfq

Meaning ▴ Request for Quote (RFQ) is a structured communication protocol enabling a market participant to solicit executable price quotations for a specific instrument and quantity from a selected group of liquidity providers. </a><a href="https://prime.greeks.live/area/post-trade-transparency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Precision-engineered multi-layered architecture depicts institutional digital asset derivatives platforms, showcasing modularity for optimal liquidity aggregation and atomic settlement. This visualizes sophisticated RFQ protocols, enabling high-fidelity execution and robust pre-trade analytics](https://options.greeks.live/wp-content/uploads/2025/08/modular-digital-asset-derivative-prime-os-for-institutional-rfq-and-block-trade-execution.jpg)

## Post-Trade Transparency

Meaning ▴ Post-Trade Transparency defines the public disclosure of executed transaction details, encompassing price, volume, and timestamp, after a trade has been completed. </a><a href="https://prime.greeks.live/area/systematic-internaliser/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A gleaming, translucent sphere with intricate internal mechanisms, flanked by precision metallic probes, symbolizes a sophisticated Principal's RFQ engine. This represents the atomic settlement of multi-leg spread strategies, enabling high-fidelity execution and robust price discovery within institutional digital asset derivatives markets, minimizing latency and slippage for optimal alpha generation and capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/inst-digital-asset-deriv-rfq-os-for-optimal-high-fidelity-trade-exec.jpg)

## Systematic Internaliser

Meaning ▴ A Systematic Internaliser (SI) is a financial institution executing client orders against its own capital on an organized, frequent, systematic basis off-exchange. </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">
![Institutional-grade infrastructure supports a translucent circular interface, displaying real-time market microstructure for digital asset derivatives price discovery. Geometric forms symbolize precise RFQ protocol execution, enabling high-fidelity multi-leg spread trading, optimizing capital efficiency and mitigating systemic risk](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-request-for-quote-protocol-high-fidelity-execution-market-microstructure-intelligence-layer.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/lis-waiver/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek, metallic algorithmic trading component with a central circular mechanism rests on angular, multi-colored reflective surfaces, symbolizing sophisticated RFQ protocols, aggregated liquidity, and high-fidelity execution within institutional digital asset derivatives market microstructure. This represents the intelligence layer of a Prime RFQ for optimal price discovery](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocols-system-architecture-for-optimal-price-discovery-and-high-fidelity-execution.jpg)

## Lis Waiver

Meaning ▴ The LIS Waiver, or Large In-Size Waiver, constitutes a regulatory provision permitting the non-publication of pre-trade quotes for orders exceeding a specific volume threshold in certain financial markets. </a>

**Tags:** [Post-Trade Transparency](https://options.greeks.live/area/post-trade-transparency/), [Central Limit Order Book](https://options.greeks.live/area/central-limit-order-book/), [Liquidity Providers](https://options.greeks.live/area/liquidity-providers/), [RFQ Systems](https://options.greeks.live/area/rfq-systems/), [Systematic Internaliser](https://options.greeks.live/area/systematic-internaliser/), [MiFID II](https://options.greeks.live/area/mifid-ii/)	

## Discover More

- 
### [What Are the Primary Differences in Execution between a Lit Order Book and an RFQ System?](https://options.greeks.live/question/what-are-the-primary-differences-in-execution-between-a-lit-order-book-and-an-rfq-system/)
![Intersecting abstract geometric planes depict institutional grade RFQ protocols and market microstructure. Speckled surfaces reflect complex order book dynamics and implied volatility, while smooth planes represent high-fidelity execution channels and private quotation systems for digital asset derivatives within a Prime RFQ.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-rfq-protocols-digital-asset-microstructure-execution.jpg)

A lit order book offers transparent, continuous, and anonymous execution, while an RFQ system provides discreet, negotiated block liquidity.

- 
### [The Professional’s Guide to On-Demand Derivatives Liquidity](https://options.greeks.live/guide/the-professionals-guide-to-on-demand-derivatives-liquidity/)
![Close-up reveals robust metallic components of an institutional-grade execution management system. Precision-engineered surfaces and central pivot signify high-fidelity execution for digital asset derivatives. This represents the market microstructure supporting RFQ protocols, ensuring best execution and capital efficiency.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-grade-digital-asset-derivatives-rfq-execution-precision-optimizing-market-microstructure-for-best-execution-and-prime-os.jpg)

Master the art of professional execution by commanding on-demand derivatives liquidity for superior trading outcomes.

- 
### [How Does MiFID II Differentiate RFQ Transparency from a Central Order Book?](https://options.greeks.live/question/how-does-mifid-ii-differentiate-rfq-transparency-from-a-central-order-book/)
![Luminous central hub intersecting two sleek, symmetrical pathways, symbolizing a Principal's operational framework for institutional digital asset derivatives. Represents a liquidity pool facilitating atomic settlement via RFQ protocol streams for multi-leg spread execution, ensuring high-fidelity execution within a Crypto Derivatives OS.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-execution-pathways-optimized.jpg)

MiFID II architects two distinct pathways: the CLOB's public price discovery and the RFQ's controlled, discreet liquidity sourcing.

- 
### [Mastering Block Trades with Request for Quote Systems](https://options.greeks.live/guide/mastering-block-trades-with-request-for-quote-systems/)
![A sphere split into light and dark segments, revealing a luminous core. This encapsulates the precise Request for Quote RFQ protocol for institutional digital asset derivatives, highlighting high-fidelity execution, optimal price discovery, and advanced market microstructure within aggregated liquidity pools.](https://options.greeks.live/wp-content/uploads/2025/07/high-fidelity-execution-framework-for-institutional-digital-asset-derivatives-request-for-quote-protocol-optimization.jpg)

Command institutional-grade liquidity and execute large-scale trades with precision using Request for Quote systems.

- 
### [How Does an RFQ Work?](https://options.greeks.live/question/how-does-an-rfq-work/)
![Precision system for institutional digital asset derivatives. Translucent elements denote multi-leg spread structures and RFQ protocols. Perforated bar implies co-location for latency optimization within a Principal's operational framework, ensuring high-fidelity execution and best execution.](https://options.greeks.live/wp-content/uploads/2025/07/precision-execution-infrastructure-for-institutional-digital-asset-derivatives-request-for-quote-protocol-optimization.jpg)

A Request for Quote (RFQ) is a controlled protocol for sourcing competitive, private liquidity from select dealers for large or complex trades.

- 
### [How Does the Use of FIX in RFQ Systems Impact Market-Wide Price Discovery?](https://options.greeks.live/question/how-does-the-use-of-fix-in-rfq-systems-impact-market-wide-price-discovery/)
![A precision-engineered system component, featuring a reflective disc and spherical intelligence layer, represents institutional-grade digital asset derivatives. It embodies high-fidelity execution via RFQ protocols for optimal price discovery within Prime RFQ market microstructure.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-intelligence-prime-os.jpg)

FIX in RFQ systems enables controlled, private price discovery, enhancing execution certainty while creating an information lag for the broader market.

- 
### [How Do Hybrid Execution Models Blend Clob and Rfq Protocols for Optimal Order Filling?](https://options.greeks.live/question/how-do-hybrid-execution-models-blend-clob-and-rfq-protocols-for-optimal-order-filling/)
![A precision optical system with a reflective lens embodies the Prime RFQ intelligence layer. Gray and green planes represent divergent RFQ protocols or multi-leg spread strategies for institutional digital asset derivatives, enabling high-fidelity execution and optimal price discovery within complex market microstructure.](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-intelligent-core-driving-digital-asset-derivatives-rfq-protocols-high-fidelity-execution-across-diverse-liquidity-pools-for-optimal-price-discovery.jpg)

A hybrid execution model is a dynamic system that intelligently routes orders between anonymous (CLOB) and negotiated (RFQ) liquidity to optimize fill quality.

- 
### [What Is the Role of Systematic Internalisers in Post-MiFID II Block Trading?](https://options.greeks.live/question/what-is-the-role-of-systematic-internalisers-in-post-mifid-ii-block-trading/)
![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)

Systematic Internalisers provide a regulated, principal-based execution channel for block trades, offering reduced market impact and operational efficiency.

- 
### [How Does Anonymity in RFQ Systems Affect Quoting Behavior and Information Leakage?](https://options.greeks.live/question/how-does-anonymity-in-rfq-systems-affect-quoting-behavior-and-information-leakage/)
![A centralized intelligence layer for institutional digital asset derivatives, visually connected by translucent RFQ protocols. This Prime RFQ facilitates high-fidelity execution and private quotation for block trades, optimizing liquidity aggregation and price discovery. It ensures capital efficiency and systemic resilience within complex market microstructure.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-grade-digital-asset-derivatives-rfq-protocol-engine.jpg)

Anonymity in RFQ systems reshapes quoting by shifting focus from reputation to quantitative risk, reducing information leakage but increasing adverse selection risk.

---

## 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": "How Does MiFID II Distinguish between an RFQ System and a Central Limit Order Book?",
            "item": "https://options.greeks.live/question/how-does-mifid-ii-distinguish-between-an-rfq-system-and-a-central-limit-order-book/"
        }
    ]
}
```

```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/how-does-mifid-ii-distinguish-between-an-rfq-system-and-a-central-limit-order-book/"
    },
    "headline": "How Does MiFID II Distinguish between an RFQ System and a Central Limit Order Book? \u25b4 Question",
    "description": "MiFID II distinguishes RFQ systems by their bilateral, quote-driven nature, allowing for pre-trade discretion, while CLOBs are multilateral, order-driven systems with mandated pre-trade transparency. \u25b4 Question",
    "url": "https://options.greeks.live/question/how-does-mifid-ii-distinguish-between-an-rfq-system-and-a-central-limit-order-book/",
    "datePublished": "2025-08-07T16:54:06+00:00",
    "dateModified": "2025-08-07T16:54:13+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/institutional-digital-asset-derivatives-prime-os-high-fidelity-rfq-protocols.jpg",
        "caption": "A sophisticated digital asset derivatives trading platform, embodying a high-fidelity execution management system. Its prominent sensor enables precise price discovery and pre-trade analytics, while visible internal components underscore robust algorithmic trading and low-latency order book dynamics. This system exemplifies an institutional-grade Prime RFQ, designed for capital efficiency and best execution across RFQ protocols, ensuring optimal multi-leg spread trading and mitigating counterparty risk through advanced clearinghouse functions."
    },
    "keywords": [
        "Best Execution",
        "Central Limit Order Book",
        "CLOB",
        "Financial Regulation",
        "Large-in-Scale",
        "Limit Order",
        "Limit Order Book",
        "Liquidity Providers",
        "LIS Waiver",
        "Market Microstructure",
        "MiFID II",
        "Order Book",
        "Post-Trade Transparency",
        "Pre-Trade Transparency",
        "Price Discovery",
        "Request for Quote",
        "RFQ",
        "RFQ System",
        "RFQ Systems",
        "Systematic Internaliser",
        "Trading Venues"
    ]
}
```

```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"
    }
}
```


---

**Original URL:** https://options.greeks.live/question/how-does-mifid-ii-distinguish-between-an-rfq-system-and-a-central-limit-order-book/
