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Trading Desk Foundations · chapter 2 of 3
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Position sizing so one loss never ends the game

The single number that separates traders who survive from traders who blow up. Risk per trade, fixed-fractional sizing, and the math of drawdown recovery.

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The math that keeps you in the game: how much to risk per trade, why a 50% drawdown needs a 100% gain to recover, and the position calculator we run before every entry.