Profit Erosion Measurement

Definition

Profit erosion measurement involves quantifying the reduction in expected or realized trading profits due to various market microstructure inefficiencies and predatory practices. This metric assesses the impact of factors such as slippage, front-running, maximal extractable value (MEV) extraction, and adverse selection on a trader’s bottom line. It provides a tangible assessment of execution quality costs. The measurement reveals hidden transaction expenses. It is crucial for evaluating strategy effectiveness.