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STAGE 2 BANKROLL MATRIX · 1-2-3-5 · 20U / 1-SHOE
1-2-3-5 Four-Step Ladder — 20-Unit Bankroll & 1-Shoe (72-Hand) Risk-of-Ruin Matrix
Case M201-0 quantifies the multi-coup 1-2-3-5 Four-Step Ladder (1-2-3-5) across a 20-unit bankroll and a 72-hand (1-shoe) window, where a 40-unit table ceiling and 10-unit stop-loss produce a 34.27% ruin rate while maps an average stake drawdown-slope of 1.10x and 0.93u ($23) in theoretical house-edge toll. Every 8-deck hand remains statistically independent (45.86% Banker, 44.62% Player, 9.52% Tie), meaning progression sizing reshapes session variance without altering the house edge.
- Ruin Rate (-10u Stop)
- 34.27%
- Target Hit (+6u Cap)
- 33.22%
- 72-Hand Expected Hold
- 0.93u
- Table Max (5-Step Depth)
- 40u