Positive Skew · free tools

Free tools for traders.

Sharp, honest, and private. No signup, no upload — everything runs in your browser.

Nothing leaves your device. Turn off Wi-Fi and they still work.

Am I a good trader?

Drop a screenshot of your P&L from any platform. We turn it into your return stream and tell you if your track record is statistically skill — or just luck.

Try it →

Sharpe from a screenshot

Same engine, just the numbers: Sharpe, volatility, and max drawdown read straight off any chart image.

Coming soon

Position sizer

Volatility-targeted, fractional-Kelly position sizing — how big should this trade actually be?

Coming soon