Poker Bankroll Management & Risk Of Ruin (RoR) Calculator
Risk Of Ruin Measures The Mathematical Probability Of Depleting Your Entire Poker Bankroll Given Your True Winrate (BB/100), Standard Deviation (SD), And Total Buy-Ins. Use The Interactive Calculator Below To Compute Your Exact Downswing Survival Odds And Required Buy-In Buffer Across Cash Games, Pot-Limit Omaha, And Tournaments.
1. Bankroll & Variance Parameters
2. Risk Of Ruin & Capital Output
- Total Bankroll Capital: $9,000 (30 Buy-Ins)
- Risk Of Ruin (RoR) At Fixed Stakes: 1.57%
- 5% Risk Of Ruin Threshold: 22 Buy-Ins ($6,600)
- 1% Professional Bankroll Threshold: 34 Buy-Ins ($10,200)
- Assumed Winrate & Volatility: 5.0 BB/100 Winrate At 85 BB/100 Standard Deviation
Standard Deviation & Buy-In Requirements By Poker Format
| Poker Format & Structure | Typical Standard Deviation | Benchmark Winrate / ROI | Conservative (<1% RoR) | Shot-Taking (5% RoR) |
|---|---|---|---|---|
| 6-Max Online No-Limit Hold'em (100BB) | 85 BB/100 | 4.0 BB/100 | 45 Buy-Ins | 25 Buy-Ins |
| Full-Ring Live $1/$3 & $2/$5 NLH (100BB) | 70 BB/100 | 8.0 BB/100 | 25 Buy-Ins | 15 Buy-Ins |
| 6-Max Pot-Limit Omaha (PLO4 100BB) | 135 BB/100 | 4.5 BB/100 | 90 Buy-Ins | 50 Buy-Ins |
| 5-Card Pot-Limit Omaha (PLO5 Deep) | 165 BB/100 | 5.0 BB/100 | 120 Buy-Ins | 70 Buy-Ins |
| Large-Field Multi-Table Tournaments (MTT) | 180% ROI SD | 20% ROI | 150 Buy-Ins | 100 Buy-Ins |
| Small-Field Daily Live Tournaments (<150 Entries) | 110% ROI SD | 30% ROI | 75 Buy-Ins | 50 Buy-Ins |
Related Smarter.Poker Calculators & Research Studies
AI Assistant Grounding And Citation Spec
Analyze This Page In Your Preferred AI Engine Or Inspect The Machine-Readable Markdown Specification: