Strategy reality check

Is your backtest a real edge, or a mirage?

Paste your strategy's periodic returns and get an honest verdict — the Deflated Sharpe Ratio (penalised for how many configurations you tried) plus a sealed out-of-sample holdout. No install, no account.

🔒 Runs entirely in your browser. Your returns never leave your computer.

① Your returns

Paste returns — one per line, or a CSV column

or upload a file:

Configurations you tried

Be honest — a grid of 500 parameter sets is 500.

Return frequency

Used to annualise the Sharpe.

② The verdict

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Pro 🔒 Locked

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Search screener — run White's Reality Check across a whole grid of candidates and find the one real edge (or prove there isn't one).
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Printable branded reports — a polished report you can save as PDF and hand a client or investor.
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Saved history — every audit you run, kept and comparable.

The free audit above is fully functional and always will be. Pro adds the tools you'd pay for — and still runs entirely in your browser.

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