I built a ghost detector for backtest edges. It was 99% confident and 80% right.
Every strategy in my archive looked alive once. A few still do. The rest are ghosts: equity curves that fell apart when the data changed, parameters that were tuned on the same bars they were judged on, an edge that existed only inside one sample. I wanted a detector that answers one question — giv…
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- 2026-10-27 10:08 · DEV Community — Machine Learning
I built a ghost detector for backtest edges. It was 99% confident and 80% right.