The Reverse Martingale (Paroli) Betting Strategy: The Ultimate Guide

Added: May 25, 2022

Last updated: April 19, 2023

Even if you are a newbie, you must have heard of the Reverse Martingale strategy. But does the so-called Paroli strategy even works? That’s what I’m here to break down.

The Reverse Martingale strategy is a variation of the famous Martingale strategy. It can be applied to all even bet casino games

This betting strategy is often used as a roulette strategy but can also be used on baccarat, blackjack and other table games.

The big advantage of this strategy is that you only decide to take more risk if you are on a winning streak. The danger is that you do not get a long winning streak (say win 4 or 5 or 6 times in a row).

The consequence is that you end up negative.

How does the Reverse Martingale (Paroli) betting strategy work?

With the Reverse Martingale strategy (also called the anti Martingale strategy or the Paroli strategy), you start with one unit’s stake (say $1). If you lose, you play again with a stake of $1.

If you win, you can “afford” more, take more risk and double your next stake. If you win again, you double the next stake again.

Set yourself a limit, where you decide to stop doubling. You “bank” your winnings and start the sequence again. You choose, for example, to stop doubling after you have won 4 times in a row.

Compare the Reverse Martingale Strategy with the popular TV quiz, the Weakest Link. There, winnings are doubled. When the next answer is wrong, everything is lost. The sequence starts again.

A participant can also “bank” the amount/profits built up. After the winnings are banked, the sequence starts again from the beginning. tip: When using the Reverse Martingale Strategy, you only take extra risks when you are winning

We have made calculations of 4 variants of the Reverse Martingale strategy:

  • The 3-step Reverse Martingale strategy (where winnings are banked after 3 consecutive wins)
  • The 4-step Reverse Martingale strategy (where winnings are banked after 4 consecutive wins)
  • The 5-step Reverse Martingale strategy (where winnings are banked after 5 consecutive wins)
  • The 6-step Reverse Martingale strategy (where winnings are banked after 6 consecutive wins)

An example of a winning Reverse Martingale Strategy

Example 1: Here, you see when the Reverse Martingale strategy works to your advantage.

You always play Black. You start with one unit (could be $1)

  • You lose the 1st and the 2nd
  • You have a winning streak: you win rounds 3 to 6. As you have doubled your stake, you get cumulative profits of 13 after round 6.
  • You bank after 4 wins in a row (after round 6).
  • You lose rounds 7 to 10.

reverse martingale how does it work

Here, you have won $9. Even though you only got 4 Blacks and 6 times Red/Zero. The luck was that you won 4 times in a row, which uplifts your profits.

Bear in mind that a winning streak of 4 times does not happen too often. The chance of winning 4 times in a row (in this example, 4 Blacks in a row) is: (18/37)^4= 18/37*18/37*18/37*18/37= 5,6%.

Below, a table with the probability of consecutive wins:

An example where the Reverse Martingale Strategy fails

Example 2: Here, you see a case where the Reverse Martingale strategy does not yield profits.

You always bet on Black. You start with one unit (could be $1)

  • You lose the 1st and the 2nd
  • You have a winning streak: you win rounds 3 to 5.
  • You double your stake for round 6, which you lose.
  • You lose round 7. You win round 8.
  • You double your stake for round 9, which you lose.
  • You win round 10.

ere you end up with a negative balance of 3 units (-$3), even though you have won 5 times and lost 5 times. As the winning streak was not long enough, you end up losing.

Would you have banked after 3 wins (instead of 4 wins), you would have had a cumulative profit of 4. Banking after 3, 4, 5, 6 (or even more) consecutive wins matters.

If you are more of a risk-taker, you could decide to bank after 4, 5 or even 6 consecutive wins.

Otherwise, you may choose to bank after 2 or 3 straight wins.

Check out my explanation of the Martingale, Fibonacci and D’Alembert Strategy

Explanation of the Martingale Strategy

Explanation of the Fibonacci Strategy

Explanation of the D’Alembert strategy

The best and worst Roulette and Baccarat strategies – does the Reverse Martingale strategy work well?

Best Roulette strategies – which of these strategies works best?

Best Baccarat strategies – which of these strategies works best?


The reverse Martingale strategy works well and you have many options, to increase or decrease your risk. Now, all you need to do is hope for a long winning streak!

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