Transaction cost analysis (TCA) is a standard tool in equity markets that reveals hidden costs and narrows the gap between expected and realized prices. As crypto markets mature, they inherit the same execution frictions—fees, spreads and slippage—but lack systematic measurement. Without TCA, investors and managers cannot reliably know the true cost of trading, and market trust is at stake.
Many major crypto pairs look liquid on the surface: deep order books and tight quoted spreads. In reality, final execution prices frequently diverge from expectations because of slippage. For example, a plan to buy 1 BTC at $90,000 can quickly become a $90,900 fill during volatility—a $900 slippage, or 1% of the trade value. In equities, firms break down such costs with TCA and best execution practices; in crypto, measuring the real entry or exit price is often guesswork.
TCA decomposes execution cost into measurable components—quoted bid-ask spread, market impact, routing and fees—and shows where costs occur. With proper tooling, traders can identify which venues, order types and timing produce the best outcomes and can benchmark execution across strategies and counterparties.
Why hasn’t TCA taken hold in crypto? The market’s unique features make it harder: prices move by the millisecond and trading is continuous, so latency and timing materially affect fills. Liquidity is fragmented across numerous exchanges and on-chain venues; outages or thin books on a venue can dramatically increase slippage. Some costs are embedded in trade prices or hidden by fee structures, and there is no single, standardized data source to aggregate across venues. Finally, there is no universally accepted definition of TCA or best execution for digital assets, so portfolio returns can hinge more on trade timing and venue choice than on investment skill.
Regulators are beginning to close the gap. In 2025 the European Securities and Markets Authority broadened best execution considerations beyond equities to include asset classes such as FX, commodities and crypto. That step doesn’t prescribe exact TCA metrics, but it signals that execution transparency for digital assets will become increasingly expected.
Technology is also enabling change. Cloud computing, cheaper storage and advances in data engineering and machine learning make cross-venue aggregation and large-scale TCA feasible. Firms can now collect and analyze vast trading histories to surface patterns of hidden cost and quantify market impact under different conditions.
Widespread adoption of TCA would produce tangible benefits: lower trading costs as volume migrates to venues delivering better execution, stronger competition among venues, improved liquidity and more reliable performance attribution for asset managers. Most importantly, it would restore confidence by making trading costs visible rather than opaque.
Execution quality is a measurable, fixable part of market structure. For crypto to operate like a mature financial market, participants must adopt robust TCA standards and tools now—before persistent invisible costs erode trust and distort performance.
Opinion by Arthur Azizov, founder of B2 Ventures