When you load an online slot, you might notice that some games operate in noticeably different ways. In some, small payouts may appear more regularly. Others may remain quiet for longer periods, then award a potentially larger payout. This variation in how a game performs over time is often linked to a concept called slot volatility.
In this guide, you’ll find a straightforward explanation of what slot volatility is, how it works in online slots, and ways you may be able to identify it.
If you’re trying to get a better idea of why games behave differently, or you’re looking to explore slots that better reflect how you like to play, this guide can help you make more informed choices.
Slot volatility refers to how a particular game may behave when it comes to the size and frequency of potential payouts. It is sometimes called variance.
A low volatility slot has the potential to produce small payouts at a steadier pace. A high volatility slot, on the other hand, may go for many spins without showing any prize, but can offer the possibility of a larger win if it does. Medium volatility slots tend to sit somewhere in the middle.
This term does not refer to your chances of winning or losing on a particular spin. All licensed slot games in the UK must use a certified Random Number Generator (RNG), which ensures each spin is entirely random. Volatility simply provides a rough guide to how a game may behave over a longer period, rather than what might happen on one spin.
Volatility can shape the overall feel of a slot game. On a lower volatility slot, you may notice that small payouts might appear more often, which can help your balance last longer. These possible wins might come from matching basic symbols across paylines.
Higher volatility games tend to produce fewer wins, but with a chance of larger potential payouts if they do occur. This may include special features, like expanding wilds or free spins that may lead to higher value combinations. While these events can seem more exciting, they may also take longer to trigger or they might not happen at all.
Medium volatility games tend to balance the two, offering the possibility of smaller and potentially larger payouts. However, as slot games are random in nature, any winnings can never be guaranteed.
Not all slot games display their volatility rating openly. Still, there are a few indicators that may help you make a rough assessment:
These clues can be useful when comparing games, but they won’t guarantee how a session will play out.
Volatility ratings are based on long-term game design, not individual outcomes. Because all regulated UK slots use RNGs, the results of each spin are entirely random and independent.
Each volatility level suits different preferences. If you prefer the possibility of more frequent outcomes, even if they are smaller, low volatility slots may suit you. For example, you might see regular returns that help you keep playing for longer. Some games in this category also include features that might trigger often, such as re-spins or bonus rounds that can award smaller sums.
High volatility slots may suit those who are more comfortable with longer gaps between wins in exchange for the potential of higher value prizes. These games often feature bigger multipliers or jackpots, which are less likely to appear.
Medium volatility slots aim to offer a bit of both. You might receive smaller wins every now and then, along with the chance of larger wins on occasion.
Since all slot outcomes are random, it is possible to have long runs without a win, even on a game considered low volatility. That’s why understanding volatility can be useful, but it won’t guarantee how your session will go.
If a game doesn’t clearly state its volatility, there are a few ways you can try to find out:
It’s worth noting that each casino’s slot library can vary, and different games may behave differently even if they look similar.
Checking the game rules and available features before staking real money can help you better understand what you might expect.
RTP stands for Return to Player. This is a theoretical percentage that indicates how much of the money staked on a slot is expected to be paid back to players over time. For example, a game with a 96% RTP may return £96 for every £100 staked over a long series of plays.
This figure is not a prediction of how your own session will go. The RNG used in UK-licensed games means all results are random. The RTP is an average based on millions of spins, so outcomes can vary. You might win more or lose more during your time playing.
Volatility, in contrast, focuses on the size and frequency of potential payouts. So, a game with a 96% RTP could still be high volatility, meaning you might experience long stretches without wins. Another 96% RTP slot could be low volatility, offering the possibility of smaller, more frequent returns.
Both the RTP and volatility can be helpful for understanding how a slot game is designed, but neither can guarantee a return or predict future outcomes.
Volatility matters only if it helps you find games that better match how you prefer to play. Some players enjoy steady changes in their game balance, while others may be more interested in the chance of higher value payouts, even if they appear less often.
There is no best or worst type of slot. What works well for one person may not suit another. Some people simply choose games based on the visual design or theme, without focusing on technical details.
What’s most important is playing in a way that feels comfortable for you, and being aware that outcomes can differ each time you play.
At Mr Luck casino, you’ll find plenty of real money slots and table games to try, all with full UKGC regulation and support. There’s also sports betting, and you can access a huge choice of games and markets when you log in or join.
If you’d like to see what’s on offer, browse the casino game library and slot paytables to get a better feel for different volatility styles before you play with real money.
Remember to set limits, keep your play enjoyable, and use the support and self-exclusion tools available if you ever need them.
*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to these slot games are subject to change at any time. Game features mentioned may not be available in some jurisdictions.
**The information provided in this blog is intended for educational purposes and should not be construed as betting advice or a guarantee of success. Always gamble responsibly.