Transaction Cost Analysis (TCA)

 

What is a Transaction Cost Analysis (TCA)?

Transaction Cost Analysis (TCA) measures the true cost of executing FX trades by comparing executed prices against market benchmarks, capturing both direct fees and hidden costs such as slippage and market impact. This allows investors and corporates to clearly identify trading costs, evaluate execution quality, and optimise strategies based on factors such as spreads and timing, while supporting transparency and best execution requirements.

 

Key aspects of Transaction Cost Analysis

• Achieve cost transparency: TCA provides clear visibility into both explicit and implicit FX trading costs by benchmarking execution against key metrics such as the mid-market rate (MID), arrival price, and volume-weighted average price (VWAP).
• Pre-trade and post-trade analysis: TCA supports both pre-trade analysis, by estimating expected costs and liquidity, and post-trade analysis, by evaluating actual execution performance against market benchmarks.
• Optimise trading strategies: By analysing factors such as trade timing, order size, and execution method, TCA helps assess and optimise FX strategies.
• Demonstratable best execution: TCA provides a continuous audit of FX execution practices, helping to ensure each trade meets best execution standards while supporting ongoing regulatory compliance.

 

Pre-trade TCA analysis

A pre-trade Transaction Cost Analysis analyses the potential FX trading costs before execution by using historical data, current market conditions, and trading algorithms to estimate the impact of different execution strategies.

It helps asset managers and corporates understand how factors such as liquidity, market impact, and timing influence costs, allowing them to choose more efficient execution strategies, for example by avoiding periods of wider spreads or higher volatility. 

 

Post-trade TCA analysis

Post-trade Transaction Cost Analysis reviews completed FX trades to understand execution performance and inform future decisions. This typically includes:

• Benchmark comparison: Comparing executed trade prices with market benchmarks such as the arrival price or mid-market rate to measure slippage.
• Performance insight: Identifying how factors like volatility, liquidity, and execution timing affected trade outcomes.
• Strategy optimisation: Using these insights to refine execution strategies in order to help reduce costs and improve overall trading performance.

 

Transaction Cost Analysis in foreign exchange vs equity

Transaction Cost Analysis (TCA) is generally more complex in FX markets than in equity markets due to lower data transparency and the decentralised nature of FX trading. Unlike equities, where trading occurs on centralised exchanges, FX liquidity is primarily concentrated in over-the-counter (OTC) markets, making pricing and data less consistent and harder to access.

In addition, fair execution prices in FX can vary significantly depending on trade size and execution speed. As a result, multiple benchmarks such as the mid-market rate (MID), arrival price, or VWAP, are often required to accurately assess execution quality.

 

Benefits of an independent vs in-house TCA

• Stronger governance and compliance: Independent FX TCA aligns with regulatory standards and provides third-party validation of transaction costs, supporting audits and stakeholder reporting.
• More accurate and reliable data: Access to broader market data and independent benchmarks enables more robust and precise cost analysis, supported by rigorous data validation processes.
• Unbiased and objective insights: An external provider removes internal bias and conflicts of interest, delivering a clearer view of FX execution performance.
• Greater efficiency: Outsourcing TCA reduces internal resource requirements, allowing teams to focus on core activities rather than maintaining models and methodologies.

 

Transaction Cost Analysis providers

MillTech’s free, no-obligation FX Transaction Cost Analysis (TCA) solution helps investors and corporates demonstrate best execution, benchmark trade performance against market rates (mid-rate), and identify opportunities to optimise FX workflows and reduce trading costs.

Why choose MillTech as your Transaction Cost Analysis provider?

• Independent, third-party analysis: We partner with BestX to deliver impartial FX TCA using advanced analytics and industry-standard methodologies for best execution assessment.
• Tailored reporting: Receive a customised TCA report designed around your trading activity, delivered in a clear, easy-to-read PDF format.
• Expert Consultation: Every TCA report is presented by an FX specialist, giving you clear insight into execution performance and the opportunity to discuss improvements.
• Fulfil compliance obligations: Our TCA services align with regulatory requirements, providing detailed trade analysis and documentation to support audit and best execution obligations.

Find out how MillTech’s FX Transaction Cost Analysis can improve your execution outcomes and help reduce trading costs, get in touch today.