The "foolproof" system that can lead to devastating losses in just a few spins.
The Martingale strategy is a progressive betting system where you double your bet after every loss. The idea is that when you eventually win, you'll recover all previous losses plus make a profit equal to your original bet.
| Spin | Bet | Outcome | Win/Loss | Total Loss | Next Bet |
|---|---|---|---|---|---|
| 1 | $1 | Loss | -$1 | -$1 | $2 |
| 2 | $2 | Loss | -$2 | -$3 | $4 |
| 3 | $4 | Loss | -$4 | -$7 | $8 |
| 4 | $8 | Win | +$8 | +$1 | $1 |
Result: After 4 spins and risking $15 total, you made a $1 profit and return to your base bet.
Easy rules that anyone can follow
Each winning sequence nets your base bet
Can produce quick profits in winning streaks
Feels like you're "getting your money back"
Bets double quickly, requiring huge bankroll
Maximum bet limits can break the system
Long losing streaks can wipe out bankroll
Risk hundreds to win a few dollars
Starting with $1, after just 10 losses in a row:
$1 → $2 → $4 → $8 → $16 → $32 → $64 → $128 → $256 → $512 → $1,024
Total at risk: $1,023 to potentially win $1
We ran Martingale through 10,000 simulated sessions on a European wheel: $1,000 bankroll, $5 base unit, $500 table limit, stopping at $1,500 (win), $500 (loss), or 500 spins.
Methodology: results are generated by our open simulation engine with a fixed random seed, using the same default settings as the interactive simulator below — so you can reproduce and vary them yourself. The average result is negative because no betting progression changes the house edge; these numbers show how Martingale shapes the way you win or lose, not whether you win long-term.
Run your own Martingale simulation with different settings →Change the bankroll, base unit, and stop rules, run thousands of sessions, and sweep parameters to see how the numbers above shift.
Open the Martingale simulatorDouble your bet after wins instead of losses. Aims to capitalize on winning streaks while limiting losses.
Set a maximum number of doubles (e.g., 3-4) to limit losses. More conservative approach.
Increase bets by one unit after losses, decrease by one after wins. Much safer progression.
Follow the Fibonacci sequence for bet sizing. Slower progression than Martingale.
Bet the same amount every time. Simple, predictable, and limits variance.
The Martingale strategy is mathematically flawed and will eventually lead to significant losses. While it can work in the short term, the risk-to-reward ratio is terrible.
New to roulette? Start with ourbeginner's guidebefore trying any betting strategies.
Try the Martingale strategy risk-free in our simulator and see why it's so dangerous.
Test Martingale Strategy