投资 / 定好仓位。
仓位与风险
仓位大小、R 倍数、凯利公式、止损/止盈和最大回撤计算——r/investing 和 r/Daytrading 讨论背后的数学。
5 个工具可用
Position Size Calculator
Compute shares to buy from account size, risk %, and stop distance.
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R-Multiple Calculator
Score a trade by its reward-to-risk multiple.
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Stop-Loss / Take-Profit Calculator
Plan a stop and target by R-multiple and risk percent.
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Kelly Criterion Calculator
Find the optimal bet size from your edge and odds.
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Max Drawdown Calculator
See how much an account shrinks from peak to trough in percent.
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