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    Holdout/Deflated Sharpe

    Measure how selection and repeated testing affect the evidence.

    Multiple-testing calculators and complete development/holdout records. Inputs saved

    What you see in Market Ontology

    The live product, read-only. Your own work opens here after checkout.

    Holdout/Deflated Sharpe screen in Market Ontology
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    What opens after checkout

    Multiple-testing calculators and complete development/holdout records, built from the details above and saved to your account in Market Ontology.

    You get
    Multiple-testing calculators and complete development/holdout records
    Opens in
    Market Ontology
    Built from
    Strategy hypothesis, Universe ticker, Backtest horizon, Risk limits and position target
    Orders
    None; nothing is sent on your behalf