Bankroll All tools

Risk of Ruin / Martingale Check

See how fast flat stakes or Martingale can exhaust a bankroll.

Risk sketch

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Flat: steps to wipe = floor(bankroll ÷ base bet); rough ruin ≈ (1 − p)^steps.
Martingale: count doubles that fit before bust; chance of that many losses in a row ≈ (1 − p)^levels.

Worked result from default inputs (server-side math).

Educational maths only. Not betting advice. Confirm live odds and terms with the operator. 18+.

Does Martingale beat the house?

No. Progression systems change the shape of losses; they do not create long-term positive expected value.

Map session budgets, unit size, and stop-loss rules.

Estimate playthrough needed for casino and sportsbook bonuses.

Combine wagering with house edge to estimate expected bonus cost.