# What Are the Primary Technological Hurdles to Integrating Post-Trade Analytics with a Live EMS? ▴ Question

**Published:** 2025-08-06
**Categories:** Question

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![Intricate dark circular component with precise white patterns, central to a beige and metallic system. This symbolizes an institutional digital asset derivatives platform's core, representing high-fidelity execution, automated RFQ protocols, advanced market microstructure, the intelligence layer for price discovery, block trade efficiency, and portfolio margin](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-core.jpg)

![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)

## Concept

The ambition to fuse [post-trade analytics](https://prime.greeks.live/area/post-trade-analytics/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) with a live [Execution Management System](https://prime.greeks.live/area/execution-management-system/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) (EMS) is the logical endpoint of a firm’s pursuit of a perfect execution loop. It represents the transformation of the trading function from a series of discrete actions into a single, continuously learning system. The core of the challenge is architectural.

We are tasked with building a feedback mechanism where the consequences of past actions, measured and dissected by analytics, are delivered back to the point of decision-making with sufficient speed and clarity to influence the next action. This endeavor moves a firm’s operational framework from a state of historical review to one of live, adaptive intelligence.

At its foundation, an EMS is a system of intent, designed for the real-time placement and management of orders. Its operational horizon is the immediate future. Post-trade analytics, conversely, are systems of record and reflection, examining the past to derive insights about execution quality, [market impact](https://prime.greeks.live/area/market-impact/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), and cost.

The integration of these two domains is the attempt to collapse the time delay between action and insight, making the analytical outcome of one trade a direct, quantifiable input for the next. The primary hurdles are located at the precise intersection of these two temporal domains ▴ the high-speed, forward-looking world of execution and the data-intensive, backward-looking world of analysis.

> The fundamental objective is to create a closed-loop system where execution data refines future trading strategy in near real-time.

The technological undertaking is substantial because it involves more than connecting two software systems. It demands the creation of a unified data fabric that can support two fundamentally different workloads. The EMS requires low-latency, high-throughput transaction processing. The analytics engine requires complex, query-intensive data processing over large datasets.

Forcing these two worlds together without a coherent architectural strategy creates immense friction. The issues of [data latency](https://prime.greeks.live/area/data-latency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), semantic inconsistency, and system performance degradation are symptoms of this underlying architectural conflict. Resolving them requires thinking like a systems architect, designing a data infrastructure that serves both the immediacy of execution and the computational depth of analysis without compromising either.

![A light blue sphere, representing a Liquidity Pool for Digital Asset Derivatives, balances a flat white object, signifying a Multi-Leg Spread Block Trade. This rests upon a cylindrical Prime Brokerage OS EMS, illustrating High-Fidelity Execution via RFQ Protocol for Price Discovery within Market Microstructure](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-prime-os-high-precision.jpg)

![A sleek pen hovers over a luminous circular structure with teal internal components, symbolizing precise RFQ initiation. This represents high-fidelity execution for institutional digital asset derivatives, optimizing market microstructure and achieving atomic settlement within a Prime RFQ liquidity pool](https://options.greeks.live/wp-content/uploads/2025/07/optimizing-digital-asset-derivatives-rfq-through-prime-os-precision.jpg)

## Strategy

A successful strategy for integrating post-trade analytics with a live EMS hinges on a clear-eyed assessment of the data lifecycle and a deliberate architectural approach. The goal is to create a “virtuous cycle” where every executed trade generates data that, once analyzed, produces intelligence to improve subsequent trading decisions. This cycle shortens the feedback loop from days or hours (in a traditional T+1 review) to minutes or seconds, directly impacting intra-day trading performance. The strategic imperative is to architect a system that can acquire, normalize, analyze, and deliver this intelligence without disrupting the primary function of the EMS which is stable and rapid order execution.

![An institutional grade system component, featuring a reflective intelligence layer lens, symbolizes high-fidelity execution and market microstructure insight. This enables price discovery for digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/08/institutional-digital-asset-derivatives-precision-rfq-execution-system-interface.jpg)

## Architecting the Data Feedback Loop

The core of the strategy is the design of the data pipeline that connects the post-trade environment back to the live EMS. This involves several key decisions. Firms must decide on the appropriate level of data granularity. Capturing every tick and every order update provides the richest dataset for analysis but places immense strain on the infrastructure.

A more pragmatic approach might involve capturing key order state changes and execution fills. Another critical decision involves the location of the analytical engine. Performing complex calculations directly on the live EMS production database is operationally risky. A sounder strategy involves offloading analytical processing to a dedicated, scalable environment and then feeding a lightweight, actionable signal back to the EMS. This signal could be a real-time adjustment to an algorithmic parameter or a simple alert to a human trader.

> A phased integration, beginning with non-critical alerts and progressing toward automated parameter adjustments, mitigates operational risk.

This strategic approach acknowledges that the integration is a journey, not a single event. It begins with passive intelligence, such as displaying real-time slippage metrics to a trader, and progresses toward active intelligence, where the system might automatically adjust an algorithm’s participation rate based on observed market impact. This evolution requires a flexible and scalable architecture, often leveraging event-driven systems like an event mesh to decouple the analytics platform from the core EMS. This decoupling is a key strategic choice, as it allows each system to evolve independently and prevents the analytical workload from creating performance bottlenecks in the critical execution path.

![An advanced digital asset derivatives system features a central liquidity pool aperture, integrated with a high-fidelity execution engine. This Prime RFQ architecture supports RFQ protocols, enabling block trade processing and price discovery](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-rfq-protocol-execution-system-architecture.jpg)

## How Do You Choose an Integration Approach?

The choice between a phased implementation and a “big bang” overhaul carries significant implications for cost, risk, and time-to-value. The table below outlines the strategic trade-offs between these two primary approaches. A phased approach allows for incremental wins and learning, while a complete overhaul, though riskier, can lead to a more cohesive and powerful final state. The decision often rests on the firm’s existing technological maturity, risk tolerance, and business objectives.

### Table 1 ▴ Comparison of Integration Strategies

| Factor | Phased Integration Approach | Big Bang Overhaul Approach |
| --- | --- | --- |
| Initial Cost | Lower initial capital outlay, spread over time. | High upfront investment in technology and resources. |
| Operational Risk | Lower risk, as changes are introduced incrementally and can be rolled back. | Higher risk of significant business disruption if the new system fails. |
| Time to Value | Faster delivery of initial, smaller-scale benefits. | Longer development and testing period before any benefits are realized. |
| Architectural Cohesion | May result in a less integrated final system if not carefully managed. | Opportunity to build a highly cohesive, optimized architecture from the ground up. |
| User Adoption | Easier for users to adapt to small, incremental changes. | Requires significant training and can face resistance from users accustomed to old workflows. |

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**Data Governance** ▴ A robust data governance framework must be established early in the process. This includes defining data ownership, establishing quality standards, and ensuring a consistent data dictionary across all integrated systems. Without this, the analytical outputs will be unreliable.

- 
**Vendor Management** ▴ Most firms utilize a mix of vendor-supplied and in-house systems. The integration strategy must account for the capabilities and limitations of each vendor’s APIs and their willingness to support deep integration. Open architectures and standardized protocols are preferable.

- 
**Scalability Planning** ▴ The volume of trading data is constantly increasing. The chosen architecture must be horizontally scalable to handle future growth in [market data](https://prime.greeks.live/area/market-data/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) rates and trade volumes without requiring a complete redesign. Cloud-native platforms can offer a significant advantage here.

![A sophisticated control panel, featuring concentric blue and white segments with two teal oval buttons. This embodies an institutional RFQ Protocol interface, facilitating High-Fidelity Execution for Private Quotation and Aggregated Inquiry](https://options.greeks.live/wp-content/uploads/2025/07/institutional-grade-rfq-protocol-interface-for-digital-asset-derivatives-execution.jpg)

![A central, intricate blue mechanism, evocative of an Execution Management System EMS or Prime RFQ, embodies algorithmic trading. Transparent rings signify dynamic liquidity pools and price discovery for institutional digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/precision-engineered-institutional-digital-asset-derivatives-framework-driving-high-fidelity-rfq-execution-and-optimized-market-microstructure-for-capital-efficiency.jpg)

## Execution

The execution phase of integrating post-trade analytics into a live EMS is where architectural theory meets operational reality. Success is determined by the meticulous resolution of specific technological hurdles. These challenges are not merely technical inconveniences; they are fundamental barriers to achieving the goal of a real-time, intelligent trading loop. Overcoming them requires a combination of sophisticated software engineering, deep domain knowledge of financial protocols, and a relentless focus on performance and data integrity.

![A sleek, illuminated object, symbolizing an advanced RFQ protocol or Execution Management System, precisely intersects two broad surfaces representing liquidity pools within market microstructure. Its glowing line indicates high-fidelity execution and atomic settlement of digital asset derivatives, ensuring best execution and capital efficiency](https://options.greeks.live/wp-content/uploads/2025/07/principals-rfq-protocol-high-fidelity-execution-digital-asset-derivatives-market-microstructure-price-discovery-alpha-generation.jpg)

## The Data Synchronization Challenge

The most immediate hurdle is achieving near-real-time synchronization between the transactional state of the EMS and the analytical data store. The value of a post-trade insight diminishes rapidly with time. An analysis of market impact delivered thirty seconds after an order slice has completed is an observation; the same analysis delivered within two seconds is actionable intelligence. This requires moving beyond traditional end-of-day batch processing and implementing an [event-driven architecture](https://prime.greeks.live/area/event-driven-architecture/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite).

Every critical event in the EMS, such as an order acknowledgement, a fill, or a cancellation, must be published to a high-speed messaging bus or event mesh. The analytics platform subscribes to this stream of events, processes them, and calculates the relevant metrics. The challenge lies in ensuring this entire round trip, from event generation to insight delivery, occurs within a tightly controlled latency budget.

### Table 2 ▴ Latency Budgets for Actionable Insights

| Component | Target Latency (Milliseconds) | Primary Hurdle |
| --- | --- | --- |
| Event Capture (EMS) | < 1 ms | Instrumenting the EMS core without impacting performance. |
| Event Propagation (Messaging Bus) | 1-5 ms | Network topology and broker performance. |
| Analytical Processing (TCA Engine) | 10-500 ms | Complexity of calculations and size of reference data. |
| Insight Delivery (to EMS UI/Algo) | 1-10 ms | API limitations of the EMS and UI refresh rates. |
| Total Round-Trip Latency | < 1000 ms | Achieving sub-second insight for real-time utility. |

![A spherical Liquidity Pool is bisected by a metallic diagonal bar, symbolizing an RFQ Protocol and its Market Microstructure. Imperfections on the bar represent Slippage challenges in High-Fidelity Execution](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocol-execution-optimization-within-principals-market-microstructure-framework.jpg)

## What Is the True Cost of Data Fragmentation?

A second, and perhaps more complex, hurdle is [data normalization](https://prime.greeks.live/area/data-normalization/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite). The EMS, the Order Management System (OMS), market data feeds, and post-trade settlement systems often use different identifiers for the same instrument, counterparty, or even the same trade. An execution report from the EMS might use a proprietary trade ID, while the clearing system uses another. Reconciling these disparate data sources in real time is a significant engineering problem.

It requires building and maintaining a comprehensive set of mapping services and a “golden source” of reference data. Without this semantic consistency, any analytics performed will be flawed. For example, calculating market impact requires accurately matching your firm’s fills against the consolidated market data tape. A failure in symbology mapping could lead to the system comparing a trade in one stock to the market data of another, rendering the analysis worse than useless.

- 
**Establish a Master Data Management (MDM) Strategy** ▴ This involves creating a centralized, authoritative source for key business entities like securities, counterparties, and accounts. All systems must be configured to reference this master source.

- 
**Implement a Data Normalization Layer** ▴ This software layer sits between the raw data sources and the analytics engine. Its sole job is to translate proprietary identifiers and formats into a single, consistent internal representation. This is a continuous process, as new venues and systems are added.

- 
**Leverage Standardized Protocols** ▴ Where possible, using industry standards like the Financial Information eXchange (FIX) protocol for execution and post-trade messaging can alleviate some of these issues. However, even within FIX, different counterparties may use custom tags, requiring careful configuration and mapping.

![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)

## Legacy System Constraints and API Rigidity

Many firms operate with legacy OMS or EMS platforms that were designed decades ago. These systems, while often robust, were not built for the kind of real-time, API-driven interoperability that modern integration requires. Their APIs may be limited, offering only basic data export functionality, or they may be non-existent, requiring direct database queries that are both risky and inefficient. In these cases, the execution plan must include a strategy for “unlocking” the data from these legacy assets.

This could involve building custom data extractors, using change-data-capture (CDC) technologies to stream database changes, or deploying “wrapper” services that expose a modern API on top of the legacy system. This technical debt is a major source of friction and cost in any integration project. It underscores the competitive advantage held by firms that have invested in modern, open-architecture trading platforms.

> The rigidity of legacy system APIs often represents the single greatest point of failure in an integration project.

![The image displays a sleek, intersecting mechanism atop a foundational blue sphere. It represents the intricate market microstructure of institutional digital asset derivatives trading, facilitating RFQ protocols for block trades](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-prime-os-rfq-execution.jpg)

## References

- ION Group. “Fixed income trading on the cusp of change as EMS technology evolves.” 2024.

- Equities Leaders Summit. “Streamlined Trading Operations ▴ Harnessing Innovation in Real-Time Analytics and Technology.”

- Solace. “Event Mesh for Post-Trade Modernization.”

- KGiSL. “Breaking the post trade challenges ▴ The AI-Cloud Synergy for stockbrokers.” 2024.

- Chari, V. V. and Patrick J. Kehoe. “Financial Crises as Herds ▴ Overturning the Critiques.” Journal of Economic Perspectives, vol. 18, no. 1, 2004, pp. 73-92.

- Harris, Larry. Trading and Exchanges ▴ Market Microstructure for Practitioners. Oxford University Press, 2003.

- O’Hara, Maureen. Market Microstructure Theory. Blackwell Publishers, 1995.

- Aldridge, Irene. High-Frequency Trading ▴ A Practical Guide to Algorithmic Strategies and Trading Systems. 2nd ed. Wiley, 2013.

![A cutaway reveals the intricate market microstructure of an institutional-grade platform. Internal components signify algorithmic trading logic, supporting high-fidelity execution via a streamlined RFQ protocol for aggregated inquiry and price discovery within a Prime RFQ](https://options.greeks.live/wp-content/uploads/2025/07/high-fidelity-execution-for-digital-asset-derivatives-via-rfq-protocols.jpg)

## Reflection

![A transparent blue sphere, symbolizing precise Price Discovery and Implied Volatility, is central to a layered Principal's Operational Framework. This structure facilitates High-Fidelity Execution and RFQ Protocol processing across diverse Aggregated Liquidity Pools, revealing the intricate Market Microstructure of Institutional Digital Asset Derivatives](https://options.greeks.live/wp-content/uploads/2025/07/digital-asset-derivatives-rfq-execution-system-microstructure-principal-framework.jpg)

## From Data Points to a System of Intelligence

The successful integration of post-trade analytics with a live EMS creates more than a new tool; it forges a new capability. It elevates the firm’s operational framework from a collection of siloed functions into a cohesive, learning system. The hurdles of latency, normalization, and legacy technology are significant, yet they are tactical obstacles on a strategic path. Overcoming them provides a durable competitive advantage rooted in superior information processing.

Consider your own operational architecture. Where does the knowledge gained from a completed trade reside? Is it locked in a report reviewed the next day, or does it flow back to the point of decision? How long is the journey from action to insight within your firm?

Answering these questions reveals the distance between your current state and a truly adaptive execution framework. The technologies and strategies discussed are the components; the ultimate goal is to assemble them into a system that not only executes trades but also learns from every single one.

![A textured, dark sphere precisely splits, revealing an intricate internal RFQ protocol engine. A vibrant green component, indicative of algorithmic execution and smart order routing, interfaces with a lighter counterparty liquidity element](https://options.greeks.live/wp-content/uploads/2025/07/principal-grade-digital-asset-derivatives-rfq-execution-engine-microstructure.jpg)

## Glossary

<a href="https://prime.greeks.live/area/execution-management-system/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek, white, semi-spherical Principal's operational framework opens to precise internal FIX Protocol components. A luminous, reflective blue sphere embodies an institutional-grade digital asset derivative, symbolizing optimal price discovery and a robust liquidity pool](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocols-high-fidelity-execution-5.jpg)

## Execution Management System

Meaning ▴ An Execution Management System (EMS) is a specialized software application engineered to facilitate and optimize the electronic execution of financial trades across diverse venues and asset classes. </a><a href="https://prime.greeks.live/area/post-trade-analytics/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A vertically stacked assembly of diverse metallic and polymer components, resembling a modular lens system, visually represents the layered architecture of institutional digital asset derivatives. Each distinct ring signifies a critical market microstructure element, from RFQ protocol layers to aggregated liquidity pools, ensuring high-fidelity execution and capital efficiency within a Prime RFQ framework](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-protocols-execution-stack.jpg)

## Post-Trade Analytics

Meaning ▴ Post-Trade Analytics encompasses the systematic examination of trading activity subsequent to order execution, primarily to evaluate performance, assess risk exposure, and ensure compliance. </a><a href="https://prime.greeks.live/area/market-impact/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A sleek, futuristic institutional-grade instrument, representing high-fidelity execution of digital asset derivatives. Its sharp point signifies price discovery via RFQ protocols](https://options.greeks.live/wp-content/uploads/2025/07/precision-rfq-execution-engine-for-institutional-digital-asset-derivatives.jpg)

## Market Impact

Meaning ▴ Market Impact refers to the observed change in an asset's price resulting from the execution of a trading order, primarily influenced by the order's size relative to available liquidity and prevailing market conditions. </a><a href="https://prime.greeks.live/area/data-latency/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A Principal's RFQ engine core unit, featuring distinct algorithmic matching probes for high-fidelity execution and liquidity aggregation. This price discovery mechanism leverages private quotation pathways, optimizing crypto derivatives OS operations for atomic settlement within its systemic architecture](https://options.greeks.live/wp-content/uploads/2025/08/principals-rfq-engine-driving-optimal-digital-asset-derivatives.jpg)

## Data Latency

Meaning ▴ Data Latency defines the temporal interval between a market event's occurrence at its source and the point at which its corresponding data becomes available for processing within a destination system. </a><a href="https://prime.greeks.live/area/market-data/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Abstract system interface on a global data sphere, illustrating a sophisticated RFQ protocol for institutional digital asset derivatives. The glowing circuits represent market microstructure and high-fidelity execution within a Prime RFQ intelligence layer, facilitating price discovery and capital efficiency across liquidity pools](https://options.greeks.live/wp-content/uploads/2025/08/institutional-digital-asset-derivatives-rfq-protocol-execution-prime-os.jpg)

## Market Data

Meaning ▴ Market Data comprises the real-time or historical pricing and trading information for financial instruments, encompassing bid and ask quotes, last trade prices, cumulative volume, and order book depth. </a><a href="https://prime.greeks.live/area/event-driven-architecture/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![A modular system with beige and mint green components connected by a central blue cross-shaped element, illustrating an institutional-grade RFQ execution engine. This sophisticated architecture facilitates high-fidelity execution, enabling efficient price discovery for multi-leg spreads and optimizing capital efficiency within a Prime RFQ framework for digital asset derivatives](https://options.greeks.live/wp-content/uploads/2025/07/principal-prime-os-rfq-engine-for-digital-asset-derivatives.jpg)

## Event-Driven Architecture

Meaning ▴ Event-Driven Architecture represents a software design paradigm where system components communicate by emitting and reacting to discrete events, which are notifications of state changes or significant occurrences. </a><a href="https://prime.greeks.live/area/data-normalization/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
![Central teal-lit mechanism with radiating pathways embodies a Prime RFQ for institutional digital asset derivatives. It signifies RFQ protocol processing, liquidity aggregation, and high-fidelity execution for multi-leg spread trades, enabling atomic settlement within market microstructure via quantitative analysis](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-core-for-institutional-digital-asset-rfq-protocol-execution-engine.jpg)

## Data Normalization

Meaning ▴ Data Normalization is the systematic process of transforming disparate datasets into a uniform format, scale, or distribution, ensuring consistency and comparability across various sources. </a>

**Tags:** [FIX Protocol](https://options.greeks.live/area/fix-protocol/), [Market Data](https://options.greeks.live/area/market-data/), [Financial Technology Integration](https://options.greeks.live/area/financial-technology-integration/), [Low-Latency Trading](https://options.greeks.live/area/low-latency-trading/), [Market Impact](https://options.greeks.live/area/market-impact/), [Alpha Preservation](https://options.greeks.live/area/alpha-preservation/)	

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- 
### [How Does Transaction Cost Analysis Differentiate between Market Impact and Information Leakage?](https://options.greeks.live/question/how-does-transaction-cost-analysis-differentiate-between-market-impact-and-information-leakage/)
![A sleek, multi-component device with a prominent lens, embodying a sophisticated RFQ workflow engine. Its modular design signifies integrated liquidity pools and dynamic price discovery for institutional digital asset derivatives. This system facilitates high-fidelity execution, real-time risk aggregation, and optimized capital efficiency.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-engine-microstructure-2.jpg)

TCA differentiates costs by timing: information leakage is pre-trade price drift, while market impact is the slippage during execution.

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**Original URL:** https://options.greeks.live/question/what-are-the-primary-technological-hurdles-to-integrating-post-trade-analytics-with-a-live-ems/
