Decoded Intelligence Signal
Implementation Shortfall
advanced
strategy
Verified: May 27, 2026Lexicon Core Definition
The difference between the price at which a trading decision was made and the final average execution price achieved; encompasses both market impact costs and opportunity costs from delayed execution; the most comprehensive measure of execution quality.
Analysis Breakdown
The difference between the price at which a trading decision was made and the final average execution price achieved; encompasses both market impact costs and opportunity costs from delayed execution; the most comprehensive measure of execution quality. Full explanation coming soon when Journey 24 content is ingested.