Portfolio Management Formulas: Mathematical Trading Methods for the Futures, Options, and Stock Markets
Author: Ralph Vince
Publication Date: November 1990
Optimal f represents the fixed fraction of your account balance that, if risked on every trade, will result in the maximum possible geometric growth of your capital over time. Vince argues that: Leo sat at his desk, cool and detached
If the book is so brilliant, why isn't every hedge fund using pure ( f )? Because Ralph Vince admits it is almost impossible to implement raw. As the dust settled, Leo’s account wasn't just
Leo sat at his desk, cool and detached. His positions were sized perfectly to survive the noise. He wasn't chasing the moon; he was protecting the engine. As the dust settled, Leo’s account wasn't just intact—it was compounding. He had traded the chaos of the floor for the cold, unwavering logic of the formula. Vince proposes Scenario Planning :
Using Vince’s mathematical trading methods, Elias built a model for the futures and options markets that treated capital like a biological organism. He began applying the Kelly Criterion variations and position sizing
Instead of using standard deviation, Vince proposes Scenario Planning: