Roulette Betting Strategy Tester
Pick your bankroll, base bet and table limit, then run every system on the same random spins. The red bet is used for every system so the comparison is fair.
Press Run simulation to chart your bankroll spin by spin.
| System | Result | Final | Peak | Lowest | Biggest bet | Busted? |
|---|
The systems
- Martingale: double the bet after every loss, return to the base bet after a win.
- Fibonacci: move one step up the 1, 1, 2, 3, 5, 8… sequence after a loss and two steps back after a win.
- D'Alembert: add one unit after a loss, subtract one after a win.
- Paroli (reverse Martingale): double after a win, up to three wins in a row, then reset.
- Flat betting: the same bet every spin, as a baseline.
What the numbers show
Progressive systems change how your results are distributed, not the house edge. Martingale wins small amounts most of the time and then loses big when a losing streak hits the table limit or your bankroll. The 2,000-session table makes that trade-off visible. Over many sessions, the average result for every system trends toward the house edge: 2.70% of total money wagered on a European wheel, 5.26% on an American wheel.
Try your favorite system with chips on the 3D Roulette Simulator.