Decoded Intelligence Signal
Backtesting
advanced
strategy
Verified: May 27, 2026Lexicon Core Definition
The process of applying a trading system's written rules to historical price data to measure how the system would have performed over that period. Backtesting is not a prediction of future results but the only method for determining whether a system has a positive expected value before risking real capital. Requires mechanical rule application with no discretionary overrides.
Analysis Breakdown
The process of applying a trading system's written rules to historical price data to measure how the system would have performed over that period. Backtesting is not a prediction of future results but the only method for determining whether a system has a positive expected value before risking real capital. Requires mechanical rule application with no discretionary overrides. Full explanation coming soon when Journey 16 content is ingested.