Martingale in roulette

The staking rule

The classic Martingale starts with one unit on an even-money bet. After a loss, double the next stake. After a win, return to one unit. The current Roulette strategy catalog includes Martingale. Strategy access and automation can require Pro. The system controls stake size. It cannot identify the next winning pocket.

Work through the chips

Starting at one chip, four losses cost 1 + 2 + 4 + 8 = 15 chips. The next required stake is 16 chips. If that bet wins at 1 to 1, its 16-chip profit recovers the previous 15-chip loss and leaves one chip of net profit for the sequence. If it loses, the cumulative loss reaches 31 chips and the next stake becomes 32. After ten consecutive losses the total lost is 1,023 chips and the next required bet is 1,024.

Why limits matter

The recovery arithmetic assumes the next doubled wager is both affordable and allowed. A finite wallet or table maximum can break that assumption. A winning round is never guaranteed to arrive before the limit. With ordinary zero rules, red loses on black and on zero. On a fair European wheel, the chance of ten consecutive losses on red is (19/37)^10, about 0.128%. That is the probability of one specified ten-spin sequence, not the chance of seeing a streak somewhere in a longer session.

Compare before experimenting

Doubling leaves the next spin’s odds unchanged. The house edge still applies to each amount wagered, so escalating stakes increases exposure. Use practice chips to inspect that behavior. Compare flat betting for a constant-stake baseline, check wheel differences and calculate an individual bet with the odds tool. Stop a demonstration when its preset chip budget is exhausted instead of assuming an unlimited bankroll.