Not just a formula. Interactive sliders, Bear/Base/Bull scenario modeling, Risk of Ruin chart, and confidence scoring — because position sizing is a decision, not a calculation.
Step 1 — Your Investing School
Step 2 — Input Mode
Win Rate
55%
Avg Win per Trade
20%
Avg Loss per Trade
10%
Enter your 3-scenario probability estimate. Total probabilities must sum to 100%.
🐻 Bear Case
📊 Base Case
🐂 Bull Case
How many historical trades is this win rate based on? Affects confidence score — more trades = higher confidence in the Kelly output
Kelly Position Sizing Results
All 5 Schools — Kelly Perspective
8 AI Committee — Is Kelly Right for You?
★ Star your best AI above — the links below only glow when you pick one