Execution Stability — runs entirely in your browser

Your trading data is processed entirely inside your browser. Nothing is uploaded, nothing is stored.

CSV requirements

Minimum 350 trades.
First 200 trades build the frozen baseline.
Next 150 trades are analysed.
Required fields: timestamp, pnl and position_value (common export names are mapped automatically).

Scalping: High-frequency scalping cannot be measured reliably from second-resolution historical exports and will be flagged rather than analysed. Live capture supports millisecond timestamps.

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Technical details

Verify it yourself — no install needed:

Open your browser's Network tab (press F12 → Network) and run the tool — you will see no request that carries your file.
Or: load this page once, then disconnect from the internet and run the tool — it still works, because nothing is sent.