Slot volatility describes how a slot distributes its return. RTP says how much comes back over the long run; volatility says how lumpy the way back is. A low-volatility slot returns its 96% as a steady trickle of small wins. A high-volatility slot returns the same 96% mostly through rare large wins, with long dry runs between them.
The figures below come from the providers' own game pages and the game data their demos load.
Hellspin
4.6/5- Licence
- not stated · Operating company not stated
- Coins
- 5: BTC, ETH, LTC, XRP, USDT
- Withdrawal cap
- €4,000 per day (clause 15)
Operating since 2021.
iWild Casino
4.9/5- Licence
- Curaçao OGL/2024/758/0228 · Goodwin N.V.
- Coins
- 11: BTC, ETH, USDT, USDC, LTC, DOGE
- Withdrawal cap
- $1,000 per day (clause 7.15)
Operating since 2021.
Slotsgem
4.2/5- Licence
- Curaçao OGL/2024/1676/0905 · Latcas B.V.
- Withdrawal cap
- not stated
Operating since 2024.
Ordered by year of launch, longest-running first.
On this page
Three numbers that reveal volatility
| Slot | Provider label | Hit rate | Max win | RTP |
|---|---|---|---|---|
| Sweet Bonanza | low | 50% | 21,175x | 96.49% |
| Wolf Gold | low | 41.84% | 2,500x | 96.00% |
| Big Bass Bonanza | low | 13% | 2,100x | 96.71% |
| Gates of Olympus | medium | 28.82% | 5,000x | 96.50% |
| Sugar Rush | high | 34.48% | 5,000x | 96.50% |
| Mental | insane | not published | 66,666x | 96.08% |
| Tombstone R.I.P | insane | not published | 300,000x | 96.08% |
- Hit rate is the share of spins that return anything. Sweet Bonanza pays on half of all spins; Big Bass Bonanza on about one in eight. Many hits are smaller than the stake.
- Maximum win shows how far the top of the distribution reaches. To pay out a 300,000x win now and then and still return 96%, a game has to pay less the rest of the time.
- The provider's label is a summary, but each studio uses its own scale.
Reading the labels
| Studio | Scale it uses |
|---|---|
| Pragmatic Play | low, medium, high |
| Nolimit City | low to high, then extreme and insane |
| Hacksaw Gaming | 1 to 5 |
| ELK Studios | 1 to 10 |
An ELK game at 8 of 10 and a Nolimit City game at "extreme" are both high on their own scales, but the scales are not the same. Compare maximum wins across studios rather than labels.
Sizing a deposit to volatility
Our rule of thumb, not a guarantee: plan for at least 200 spins on a low-volatility game, 300 on a medium one and 500 or more on a high or extreme one, if you want a reasonable chance of seeing the bonus round. At a CA$1 stake that is CA$200, CA$300 and CA$500. On a smaller deposit, lower the stake rather than switching to a wilder game.
A CA$100 deposit at CA$2 a spin gives 50 spins. On Big Bass Bonanza, with its one-in-eight hit rate, it is quite possible to finish those 50 spins without the feature.
Open the casino and play with a balance you funded by Interac.
Volatility and bonuses
High-volatility slots and wagering requirements fight each other. A bonus asks you to stake many times its value at a capped bet, 5 EUR or USD at Hellspin (bonus terms 1e); a high-volatility game is likely to empty the balance before the wagering is done. If you take a bonus, a medium-volatility, high-RTP slot gives the wagering the best chance to finish. See wagering requirements.
Where to find the figures
Every slot shows its RTP and, at most studios, its volatility in the info screen. For the highest returns, see high-RTP slots; for the feature-heavy end of the scale, bonus buy slots. Our main page ranks the Canadian Interac casinos we checked.
Questions and answers
- What is slot volatility?
How widely a slot's results scatter around its RTP. Low-volatility slots pay small wins often; high-volatility slots pay rarely but can pay very large amounts. The RTP can be identical.
- How do I tell a slot's volatility?
From the provider's label in the info screen, the hit rate where it is published, and the maximum win: a game capped at 2,000x behaves very differently from one capped at 100,000x.
- Which volatility is best for a small deposit?
Low or medium. A small deposit on an extreme-volatility game often ends before the feature arrives. High volatility suits a bankroll of many hundreds of spins or a deliberate short, high-risk session.