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STAGE 2 BANKROLL MATRIX · 1-2-3-5 · 20U / 10-SHOE
1-2-3-5 Four-Step Ladder — 20-Unit Bankroll & 10-Shoe (720-Hand) Risk-of-Ruin Matrix
When a 20-unit stack enters a 10-shoe (720-hand) session using 1-2-3-5 Four-Step Ladder, house-edge-anchored model M203-0 benchmarks 792u in cumulative action and a 94.80% barrier-absorption probability before the 100-unit table maximum truncates the eight-deck drawdown-slope. 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)
- 94.80%
- Target Hit (+6u Cap)
- 17.09%
- 720-Hand Expected Hold
- 9.30u
- Table Max (5-Step Depth)
- 100u