Evolutionary Trading Algo

Method

Closing the lucky-OOS-split trap: the IS-positive gate

digital-asset market opening-range system at one config had agg OOS Sharpe +3.57 with DSR pass 77.8% - looked like a clean PASS. Per-window inspection showed IS Sharpe negative in 7 of 9 windows. The strategy lost money on its training data; the OOS positive was a lucky date split, not validated edge. Added an aggregate-IS-positive check to the gate. digital-asset market correctly flipped to FAIL. Same hole caught a second strategy's claimed PASS the same day.

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Public summary

digital-asset market opening-range system at one config had agg OOS Sharpe +3.57 with DSR pass 77.8% - looked like a clean PASS. Per-window inspection showed IS Sharpe negative in 7 of 9 windows. The strategy lost money on its training data; the OOS positive was a lucky date split, not validated edge. Added an aggregate-IS-positive check to the gate. digital-asset market correctly flipped to FAIL. Same hole caught a second strategy's claimed PASS the same day.

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