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I open-sourced the arithmetic behind "how much should I risk per trade" (~120 lines, no deps)

By PipAtlas · DEV Community · 11/2/2026

Every so often someone asks how much of an account to risk per trade, and the thread fills up with opinions. The honest answer is arithmetic, and it fits in a file small enough to read over coffee — so I wrote it down and put it on GitHub. github.com/pipatlas26/risk-of-ruin — MIT, zero…

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