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STAGE 2 BANKROLL MATRIX · GRAND MARTINGALE · 100U / 2-SHOE
Grand Martingale (2x+1) — 100-Unit Bankroll & 2-Shoe (144-Hand) Risk-of-Ruin Matrix
For a 100-unit roll spanning 144 hands (2 shoes), Grand Martingale (2x+1) (1-3-7-15-31-63-127) calibrates a session-bounded cadence under matrix M139-0, where the 50-unit table roof and -50u/+25u barriers yield 37.73% ruin versus 36.33% upside completion. 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 (-50u Stop)
- 37.73%
- Target Hit (+25u Cap)
- 36.33%
- 144-Hand Expected Hold
- 11.13u
- Table Max (6-Step Depth)
- 50u