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Learn  /  Risk & Money Management
Core concept12 min readCore

Position sizing: the only risk lever you fully control

You cannot control whether the next trade wins. You can control exactly how much it costs you when it loses. That asymmetry is the whole game.

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Feb 2026

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Position size, in one line
Size = (Balance × Risk%) ÷ (Stop distance × Value per unit)

Notice what is not in this formula: your conviction, the setup's "quality," or how sure you feel.

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