The pros ask: "How much should I buy?"
f = (W × R – (1 – W)) / R *
You can have a winning strategy (60%+ win rate) and still go broke if you get the position size wrong. Conversely, you can have a coin-flip strategy and be wildly profitable with correct position sizing. The Definitive Guide To Position Sizing Free
Kelly often gives aggressive results. Most pros use Half-Kelly (20% in this example) or less. Final Takeaway (Save This) "Position sizing is the only part of trading you can control 100%." — Unknown trader You cannot control market direction. You cannot control gaps. But you can control exactly how much you lose when you are wrong. The pros ask: "How much should I buy
The Definitive Guide to Position Sizing (Free) Subtitle: How to calculate the exact amount to risk per trade so you never blow up your account again. Introduction: The #1 Mistake New Traders Make Most beginners ask: "What stock should I buy?" Most pros use Half-Kelly (20% in this example) or less