Risk of Ruin

The probability that a losing run wipes out your account before your edge can play out. The number most traders never calculate — and the one that ends them.

% of account risked each trade
Drawdown that = "ruin" for you (max 99)
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Built by the same brain

These numbers are step one. Temper is step two.

The math tells you what to do. Temper is my trading psychology app that catches you breaking your own rules in the moment, before the damage is done.

Meet Temper