What is Martingale System?

Connor Brody
Last updated at February 3, 2026, 7:56 PM
  • Strategy

The Martingale System is a negative progression betting strategy where players double their bet after each loss to recover prior losses plus win a profit equal to the original stake upon winning. Commonly applied to even-money bets in games like roulette, it assumes an infinite bankroll and no table limits. Canadian players should note this system’s high risk, as prolonged losing streaks can quickly deplete funds in licensed online casinos.

Martingale System

How Martingale System Works

The system starts with a base bet on even-money outcomes, such as red/black in roulette. After a loss, the next bet doubles. A win recoups all losses plus the base profit, resetting to the original stake. For a $10 base: lose $10, bet $20 (total loss $30), bet $40 (win recovers $40, netting $10 profit).

Martingale Risks and Limits

Table limits and finite bankrolls break the progression; seven losses from $10 base require $1,280 bet. House edge ensures long-term losses. Not a winning strategy—purely mathematical recovery assuming wins eventually occur, but variance creates ruin risk.

Martingale Strengths

Martingale Weaknesses

Recovers losses on winExponential bet growth
Simple to trackHits table limits fast
Short-term profit potentialBankroll exhaustion risk

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