Omaha Mathematics & Variance • Published 2026-10-01 • Updated 2026-10-31

Pot-Limit Omaha (PLO4, PLO5, PLO6) Multiway Equity Compression And Bankroll Variance Study

Monte Carlo Evaluations Across 100,000+ Simulated Runouts Show Preflop Equity Edges Compress Dramatically From No-Limit Hold'em (AA Vs. Random: 85.2%) To 4-Card PLO (AAKK Double-Suited Vs. Random: 68.8%), 5-Card PLO (64.2%), And 6-Card PLO (60.8%), Requiring 60 To 150 Buy-In Bankrolls To Maintain Sub-5% Risk Of Ruin.

Key Empirical Findings

  • Preflop Equity Compression: In 4-Card PLO, Even The Absolute Best Starting Hand (A-A-K-K Double-Suited) Is Only A 53.6% To 46.4% Favorite Against A Connected Rundown Like J-T-9-8 Double-Suited.
  • 5-Card And 6-Card PLO Nut Requirement: Adding A Fifth And Sixth Hole Card Increases Postflop Flush And Full-House Frequencies By 42% And 78% Respectively, Rendering Non-Nut Flushes And Unimproved Sets Negative-EV Stack-Offs In Multiway Pots.
  • Standard Deviation Escalation: Typical 100-Hand Standard Deviation Rises From 65-85 BB/100 In Live NLH To 120-145 BB/100 In PLO4 And 160-210 BB/100 In PLO5/PLO6.
  • Bankroll Multiplier Guidelines: A Winning Player At 5 BB/100 Requires ~30 Buy-Ins For Sub-5% Risk Of Ruin In NLH, ~75 Buy-Ins In PLO4, And 120+ Buy-Ins In PLO5 And PLO6.

No-Limit Hold'em Vs. PLO4, PLO5, And PLO6 Equity And Bankroll Benchmarks

Simulated Using The Smarter.Poker Multi-Variant Equity Engine (https://smarter.poker/tools/poker-odds-calculator) And Risk Of Ruin Variance Analyzer (https://smarter.poker/hub/training/risk-analyzer) Across Heads-Up And 3-Way All-In Pots.
Game VariantHole CardsTop Hand Equity Vs RandomAAxx Vs Prime RundownStd Dev (BB/100)Recommended Bankroll (5% RoR)
No-Limit Hold'em (NLHE)2 Cards85.2% (AA)79.6% Vs 20.4% (AA Vs JTs)65 To 85 BB/10030 To 40 Buy-Ins
4-Card Pot-Limit Omaha (PLO4)4 Cards68.8% (AAKKds)53.6% Vs 46.4% (Vs JT98ds)120 To 145 BB/10065 To 85 Buy-Ins
5-Card Pot-Limit Omaha (PLO5)5 Cards64.2% (AAKKQds)51.4% Vs 48.6% (Vs QJT98ds)155 To 185 BB/100100 To 130 Buy-Ins
6-Card Pot-Limit Omaha (PLO6)6 Cards60.8% (AAKKQJds)50.2% Vs 49.8% (Vs KQJT98ds)180 To 220 BB/100130 To 160 Buy-Ins

Frequently Asked Questions

Why Is Variance Higher In PLO5 And PLO6 Than In Texas Hold'em?

Because Players Hold 5 Or 6 Hole Cards And Must Use Exactly Two, Preflop Equities Run Close To 50/50 And Pot-Limit Betting Generates Frequent Multi-Street All-In Commit Spots.

Where Can I Calculate Exact PLO4, PLO5, And PLO6 Hand Equities For Free?

Use The Free Smarter.Poker Multi-Variant Odds Calculator At https://smarter.poker/tools/poker-odds-calculator To Simulate Hold'em, PLO4, PLO5, PLO6, Stud, And Razz.

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