POSITION SIZING CALCULATOR
Enter your account size, entry, and stop. The calculator gives you exact shares, dollar risk, R:R, and a full gate compliance check.
The 1% Rule — Non-Negotiable
Never risk more than 1% of your account on a single trade. 20 consecutive losses at 1% = 82% of account remaining. At 5% = 36% remaining. At 10% = 12% remaining. The 1% rule keeps you in the game long enough to develop an edge.
Swing Trade Inputs
- Account size ($)
Your total account value — not just free cash - Risk per trade (%)
Recommended: 1%. Never above 2% per trade. - Entry price ($)
- Stop price ($)
Hard stop — where you exit if wrong - Target price ($)
- Strike price ($)
- Premium collected ($)
Per share (contract = premium × 100) - Option premium paid ($)
Per share — 1 contract = premium × 100 - Max loss % acceptable
Buying options: max loss is 100% of premium paid
Reset All Fields
Results
Enter entry price above stop price
Gate Compliance Check
Survival Math — Consecutive Loss Scenarios
Account remaining after N consecutive losses
| Losses | Your rate (1.0%) | 2% (aggressive) | 5% (dangerous) | 10% (blow-up risk) |
|---|---|---|---|---|
| 5 losses | 95.1% | 90.4% | 77.4% | 59.0% |
| 10 losses | 90.4% | 81.7% | 59.9% | 34.9% |
| 20 losses | 81.8% | 66.8% | 35.8% | 12.2% |
| 50 losses | 60.5% | 36.4% | 7.7% | 0.5% |
Position sizing is for educational purposes only. Past performance does not guarantee future results. Options trading involves substantial risk of loss.