/ Glossary / Roulette /
Paroli Roulette Strategy Explained

Paroli Roulette Strategy Explained

Date published: 10/04/2025
Last updated: 10/04/2025
8 minute read

Paroli roulette betting is a popular strategy employed by many roulette players in casinos and online. This model suggests doubling your bet every time you win to maximize your winning streak, and as such belongs to the positive progression strategies. It is also considered to be relatively easy to follow. 

As a game of chance that involves gambling, roulette has always invited attempts to invent a system or a strategy that would help the player win. And while it is virtually impossible to guarantee a definite result in roulette, a number of such strategies create a more structured game, enabling the players to better manage their bankroll. 

What is the Paroli Roulette System?

The Paroli roulette system is closely related to the Martingale strategy, another popular betting system. It originates from France and is often attributed to the famous French mathematician Blaise Pascal. According to other sources, it has existed way before Pascal who only made some improvements to it. The simplest game that employed this strategy was tossing the coin to get either heads or tails.  

The Paroli roulette strategy is often called “reverse Martingale”. This quite accurately describes the relation between these two systems. When playing under the Martingale strategy, the players double their stake every time they lose and go back to their initial stake after each winning round. That’s why, Martingale is called a negative progression strategy. 

Unlike Martingale, the Paroli roulette system increases the stake after each win and goes back to the original wager when the player loses. This makes it a positive progression strategy. Many think that it is also less risky than Martingale because you increase your bet only after you win something. For the same reason, it requires a lower bankroll.

Other common strategies that mostly work on the even money bets are Parlay, the Fibonacci sequence, and D’Alambert. Their main difference is that they aim at mitigating risks rather than reclaim losses like Paroli and Martingale do. Of the three, Parlay is seen as the least risky, while Fibonacci is often considered quite complicated because it requires keeping track of a complex number sequence.

While D’Alambert is seen as rather conservative, Martingale and Fibonacci are considerably risky. As any negative progression strategy, they rely on unlimited bankroll, which is never the case with casino players.

How the Paroli Betting System Works

Paroli roulette betting is only applicable to even money bets, otherwise also known as outside bets. These are black or red and even or odd numbers. They got their name because the betting fields for these wagers are placed on the outer edge of the betting area. The name “even money bet” refers to the fact that the player has a 50/50 chance to win (though this is not entirely true, because 0 and 00 fields, both green in colour, exist on the wheel). 

As we mentioned above, it is a positive progression strategy, which means you double your stake only when you win. Let’s take a look at every step of implementing the Paroli system in a game of roulette.

  • Step 1. Select a unit or a base stake. For example, it could be £5. The recommendation here is to limit your unit to less than 5% of your bankroll, so that theoretically you have enough budget to complete a full Paroli cycle. 
  • Step 2. Place your wager (£5 in our case) on one of the outer bets. Wait for the dealer to spin the wheel and see the outcome. 
  • Step 3. Let’s say your bet lost. Start the next round with the same stake of £5. Wait for the wheel to spin.Step 4. If you lose again, continue betting £5 in each round. However, if you win, double your stake and now bet £10. 
  • Step 5. Repeat step 4, depending on the result of the previous spin. If your £10 stake won again, bet £20 in the next round.
  • Step 6. Theoretically, you can keep doubling your stake infinitely as long as you keep winning. However, it is advised to reset to your base stake after three consecutive wins. So if your third bet of £20 (see above) also won, instead of betting £40, go back to the initial stake and bet £5. This helps you minimize the loss if you lose the next round.
  • Step 7. As soon as you lose a round, go back to your base stake. So if your £20 wager lost, your next wager should be £5. 

Below you will find an example of how the Paroli roulette strategy works:

Spin
1
2
3
4
5
6
Stake
£5
£5
£5
£10
£20
£5
Result
Loss
Loss
Win
Win
Win
Win
Profit
-£5
-£5
+£5
+£10
+£20
+£5
Total
-£5
-£10
-£5
£5
£25
£30

Advantages of Using the Paroli System in Roulette

The simplicity of calculations make the Paroli system easy to follow, and thus a favourite even among those who are just starting exploring the wheel game. 

Compared to negative progression systems, like Martingale and Fibonacci, where you increase your stake after every loss, in the Paroli system you only double your wager when you win. This means you don’t risk your bankroll as much and it allows you to play longer. 

On the other hand, if you hit a winning streak, you maximize your wins with this strategy, instead of chasing losses. On top of that, if your specific roulette table has bet size limits, it won’t affect your game, as you are supposed to go back to the initial stake after every three consecutive wins. 

As a bonus, once you get comfortable using the Paroli system in your game of roulette, you can also apply it to several other casino games. The nature of the system allows using it in blackjack, baccarat, and even sports betting with minimal adjustments. We will look into these possibilities below.

Limitations and Risks of the Paroli Roulette Strategy

The main risk in the Paroli betting system is that it relies on you hitting a winning streak of at least three consecutive wins. However, as with any game of chance, you are never guaranteed to get that winning streak at the roulette table.

This means you will continue losing a part of your bankroll after every loss. While this will happen at a much slower rate than if you were using a negative progression strategy (increasing your stake after every loss), it will eventually bleed your bankroll out.

The Paroli system may be used on the even money bets, but it is never a 50/50 chance. The European roulette includes a green zero field, while the American one has zero and double zero fields. If the ball lands on either of these fields, the house wins. Thus, the real chances for the player to win range between 47.34% and 48.6%. Like any other betting strategy, the Paroli system doesn’t protect you from the house edge.

As a more risk-averse strategy, Paroli recommends resetting your bet every time you win three rounds in a row. This means that even if you hit on a long winning streak, you won’t be able to fully capitalize on it. 

To minimize the above mentioned limitations and risks, players are highly encouraged to view the Paroli system as a way of structuring their game, managing their bankroll more efficiently, and enhancing their playing experience — not as means for fast and guaranteed financial gain.

Applying the Paroli System to Other Casino Games

When it comes to the Paroli betting system, roulette is not the only casino game where you can apply it. Other games that allow use of this strategy due to their nature are blackjack, baccarat, craps, and even sports betting (though, mostly even money bets). It is not recommended for bets with higher odds, for example, betting on numbers in roulette.

Baccarat is considered one of the best games for applying the Paroli system. You can bet on either the banker or the player. The house edge is pretty low, and you don’t have to make any adjustments compared to the way you play Paroli in roulette.

When playing craps, apply the Paroli system only to even money bets. For example, the pass line or don’t pass line bet is a good example of where you can use Paroli to enhance your game.

Players new to blackjack are often encouraged to use the Paroli strategy. The only drawback that is specific to this game comes up when you split or double your hand because it interferes with your established progression. However, with some adjustments you can still successfully apply the Paroli system to blackjack.

Opportunities for Players

Based on positive progression, the Paroli roulette strategy is a good opportunity for the players who prefer playing with lower risks and expanding their bankroll for a longer gameplay. As usually, before you start playing with real money, practice this strategy through free online roulette games until you are fully comfortable in keeping track of your bet sizes and winning or losing streaks. 

Always remember to practice responsible gambling. Set aside a bankroll you are comfortable parting with and don’t cross the limit in the hopes of covering your losses once you hit a winning streak. Roulette is a game of chance, so you are never guaranteed any outcome. Most importantly, view playing the roulette as entertainment and applying the Paroli strategy as a way of enhancing your playing experience, not a tool for large financial gains. 

FAQ about Paroli Roulette Strategy
How does the Paroli system differ from the Martingale system?

Paroli is often called the reverse Martingale. In the Martingale system, you double your stake every time you lose and go back to the original stake after a win. In Paroli you do the exact opposite: double the stake after every win and go back to the original wager after a loss.

Can the Paroli system guarantee profits in roulette?

As any other strategy in a game of chance, the Paroli system doesn’t guarantee any long-term profit. It helps you structure your game and theoretically recover all your losses, however it is not a foolproof system that will ensure stable financial gain when playing.

Is the Paroli system applicable to online roulette?

Yes, it is. There are no limitations to applying the Paroli betting system in either physical or online roulette.

What are the risks associated with the Paroli betting strategy?

The Paroli betting strategy relies on the player hitting a winning streak of at least three consecutive wins. However, this can never be guaranteed in roulette. Another significant risk is the house edge that affects the winning odds.

Comments

Best casinos
All British Casino
Welcome Bonus
100% up to £100
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included | T&C’s apply. Gambling is addictive, please gamble responsibly! 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included | T&C’s apply. Gambling is addictive, please gamble responsibly! 18+| BeGambleAware | #Ad. Gambleaware.org

Betrino
Welcome Bonus
200% up to £50
T&C’s Apply

New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Casino Casino
Welcome Bonus
100% up to £100 on first deposit
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet while playing with a bonus is £5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet while playing with a bonus is £5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Fun Casino
Welcome Bonus
100% first deposits up to £100
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 123 | Min deposit is £ 10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 123 | Min deposit is £ 10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Great Britain Casino
Welcome Bonus
Up to 1,000% + 500FS
T&C’s Apply

New players only, £10 min fund, £2,000 max bonus, 65x Bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), Full T&C apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

New players only, £10 min fund, £2,000 max bonus, 65x Bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), Full T&C apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Hyper Casino
Welcome Bonus
100% up to £100
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 100 | Min deposit is £10 | No max cash out | Wagering is 45x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 100 | Min deposit is £10 | No max cash out | Wagering is 45x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Jeff bet
Welcome Bonus
100% up to £100 + 20 Free Spins
T&C’s Apply

New Players Only. Wagering occurs from real balance first. 35X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount and £500 for free spins. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

New Players Only. Wagering occurs from real balance first. 35X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount and £500 for free spins. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. 18+| BeGambleAware | #Ad. Gambleaware.org

More offers
Best casinos
All British Casino
Welcome Bonus
100% up to £100
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included | T&C’s apply. Gambling is addictive, please gamble responsibly! 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included | T&C’s apply. Gambling is addictive, please gamble responsibly! 18+| BeGambleAware | #Ad. Gambleaware.org

Betrino
Welcome Bonus
200% up to £50
T&C’s Apply

New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Casino Casino
Welcome Bonus
100% up to £100 on first deposit
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet while playing with a bonus is £5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet while playing with a bonus is £5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Fun Casino
Welcome Bonus
100% first deposits up to £100
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 123 | Min deposit is £ 10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 123 | Min deposit is £ 10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Great Britain Casino
Welcome Bonus
Up to 1,000% + 500FS
T&C’s Apply

New players only, £10 min fund, £2,000 max bonus, 65x Bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), Full T&C apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

New players only, £10 min fund, £2,000 max bonus, 65x Bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), Full T&C apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Hyper Casino
Welcome Bonus
100% up to £100
T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 100 | Min deposit is £10 | No max cash out | Wagering is 45x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

Welcome bonus for new players only | Maximum bonus is 100% up to £ 100 | Min deposit is £10 | No max cash out | Wagering is 45x bonus | Maximum bet while playing with a bonus is £ 5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded. Full Terms apply. 18+| BeGambleAware | #Ad. Gambleaware.org

Jeff bet
Welcome Bonus
100% up to £100 + 20 Free Spins
T&C’s Apply

New Players Only. Wagering occurs from real balance first. 35X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount and £500 for free spins. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. 18+| BeGambleAware | #Ad. Gambleaware.org

T&C’s Apply

New Players Only. Wagering occurs from real balance first. 35X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount and £500 for free spins. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. 18+| BeGambleAware | #Ad. Gambleaware.org

More offers

We inform you that this website uses cookies. To consent, click the ‘Agree’ button or continue browsing. To learn more about our privacy policy, click here.

Agree