Volatility
Whether a machine pays little and often, or seldom and large.
By Ryan Jessop. Last checked .
Key takeaways
- Low: frequent small wins.
- High: rare large ones.
- Not the same as RTP.
- Match it to your budget.
In shortVolatility describes how a slot machine hands back its return. Low volatility machines pay small wins often; high volatility machines pay rarely and occasionally a lot.
Seven slots by volatility
| Slot | Volatility | Max win | RTP |
|---|---|---|---|
| Starburst | Low | 500x | 96.09% |
| Fishin' Frenzy | Medium to high | 5,000x | 96.12% |
| Big Bass Bonanza | High | 2,100x | 96.71% |
| Gates of Olympus | High | 5,000x | 96.50% |
| Book of Dead | High | 5,000x | 96.21% |
| Fluffy Favourites | High | 5,000x | 95.39% |
| Sweet Bonanza | High | 21,100x | Varies by version (96.48% to 96.51% quoted) |
Two machines, one price
Starburst and Book of Dead return almost the same percentage. Starburst pays small wins constantly and tops out at 500 times the stake; Book of Dead can be silent for long stretches and reach 5,000 times.
Budget
On a volatile machine, lower the stake until the budget buys a couple of hundred spins.
Keep reading: Online vs land-based slot machines, Gates of Olympus slot machine, How to play a slot machine and Slot cost calculator.
Telling volatility from the paytable
Developers do not use a common scale, but the paytable gives clues. A top symbol paying thousands of times the line bet, a maximum win of 5,000x or more, and features that need rare symbols all point to high volatility. A modest maximum win and frequent small features point the other way.
Volatility and bonuses
Clearing bonus wagering on a volatile machine is a gamble within a gamble: the balance may run out before the feature arrives.
Go further: Are slot machines rigged?, The one-armed bandit and Cash collect.
In other words
Volatility and variance are used interchangeably. Low variance slots, medium volatility slots and high volatility slots describe the same scale.
Keep reading: PlayOJO slot machines, The bell symbol, Three-reel vs five-reel slot machines and The paytable.
Slot figures are developers' published defaults, each confirmed against two sources; the version at your casino can differ. UK land-based stake and prize limits and online rule dates were checked against Gambling Commission and licensing authority sources on 6 October 2026. History follows commonly cited accounts. Offer terms dated 5 October 2026. How we check. 18+. Free help: 0808 8020 133 or safer gambling.
Frequently asked questions
What is slot volatility?
How unevenly a machine pays.
Does it change the odds?
No.
Which is low volatility?
Starburst.
What suits a small budget?
Low volatility at a small stake.