While the roulette ball has no memory, mathematicians have continually devised complex betting systems.

Betting strategies do not change the house edge, but they do dictate how you stake your money.

Understanding the Martingale Strategy

This progressive system is incredibly simple: you double your bet after every single loss.

If you bet $10 on red and lose, your next bet on red should be $20, and so on.

• Only use on even-money outside bets
• Requires a substantial initial bankroll
• Beware of maximum table betting limits

The Fibonacci Roulette System

You progress through the sequence (1, 1, 2, 3, 5, 8...) when you lose, and step back when you win.

Because the bet sizes increase slower, it is easier on your bankroll during a losing streak.

Understanding the D'Alembert Strategy

Conversely, you decrease your wager by one single unit following a winning spin.

This approach assumes that over time, wins and losses will balance out almost equally.

Remember that no betting system can alter the fundamental mathematics or the casino's house edge.