Portfolio Management Formulas Mathematical Trading Methods — For The Futures Options And Stock Markets Author Ralph Vince Nov 1990 High Quality

He famously proved this using a simple coin-toss game. Imagine a 60% win-rate system where you win $2 for every $1 you risk. Statistically, it’s a gold mine. Yet, if you bet a fixed 50% of your capital every trade, you will eventually go broke despite the positive edge. The math guarantees it.

Portfolio Management Formulas provides techniques applicable to various asset classes: He famously proved this using a simple coin-toss game

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Dollar Amount per Unit=−Biggest LossOptimal fDollar Amount per Unit equals the fraction with numerator negative Biggest Loss and denominator Optimal f end-fraction He famously proved this using a simple coin-toss game