What Does Volatility Mean in Slots? How It Affects Wins, Risk, and Bankroll

Volatility refers to how much and how often a slot’s payouts can vary. Let’s assume that you have two slot games. The RTP rate for both is 96%. But your playing experience for these slot games will be entirely different. One of the games will allow you to land smaller winning amounts often, while in the other game, you will have spins without winnings for hundreds of times, and then suddenly hit a huge payout.

Two such games with equal RTP rates will have different payout structures. Such a phenomenon is called volatility.

Being aware of the volatility of the slot machine will help you understand how often and how much money you are going to win from it.

What Does Volatility Mean in Slots?

Slot volatility implies risks and the payout pattern of a slot machine. When discussing slot volatility in the literature, one should use variance or risk level, depending on a specific slot or casino.

As you can easily guess, slot volatility implies that you can either get many wins but smaller or fewer wins but larger ones. This is where slot volatility math comes in.

If you choose low-volatility slots, you will receive frequent payouts from them (not necessarily). Low volatility, however, implies small-sized payouts coming quite often.

On the contrary, high-volatility slots imply a larger gap between winning and losing spins. Long sequences of losses will be followed by winning payouts. As you may understand, there is no warranty that you will get it as any win is not guaranteed. High-volatility slots also mean a higher chance of losses.

Both types described above may not be suitable for you, and you may try medium-volatility slots which will offer you with two types of wins.

The volatility of a slot machine is established in its program by the developer and can neither be increased nor reduced based on the results of your spins. Multiple losses do not mean that in the next spin you are going to have a huge win.

It is worth noting that the volatility of a slot machine should not be mistaken by the RTP percentage. While the volatility shows the pattern of the payouts, the RTP gives the theoretical return of the slot machine from many spins.

Therefore, two slot machines can have equal RTP percentage but different volatility.

✅ The Worked Example

Let’s use two real slot games from Pragmatic Play to understand this: The Dog House slot and Gates of Olympus slot.

The two games have an RTP of around 96%. But they don’t feel alike.

The Dog House is a low-volatility game, with a 96.51% RTP. You can get smaller wins, while its free-spins feature can still produce big payouts. But the overall gameplay tends to feel steadier and less swingy.

Now compare that with Gates of Olympus. The game is high-volatility, and has 96.5% RTP at its highest. Most spins don’t produce a big return, but often you can get a much larger hit, especially when the multiplier features come. The game can pay up to 5,000x the bet.

So, you can imagine betting $1 on both.

With a low-medium volatility game, you might see plenty of $2, $5, or $10 wins along the way. They’re not life-changing, but they keep the balance moving.

With a high-volatility game, you could go through a long stretch where nothing much is happening. Then one spin lands a 20x, 50x or much bigger win and suddenly makes a huge difference to the session.

This is where things get really interesting. RTP will not give you a clue on what kind of experience you can expect.

Two different slot games could both have a 96% RTP. It would be wrong to assume that you will earn $96 out of every $100 spent playing the game. RTP is just an overall math calculation. Volatility is about how returns are spread out.

This is why two different slots can feature identical RTP values yet still be very different to play.

✅ How iIs Volatility Determined

Volatility isn’t just a label that online slots casinos add to a game. It comes from the way the game is actually built, mainly its RNG (random number generator) and paytable. The paytable shows how much each symbol combination can pay, while the RNG controls how often different outcomes occur.

Prior to online slots being available for real money, independent testing laboratories such as eCOGRA and iTech Labs can review the RNG of the game and its mathematical model to ensure that the game’s performance will be satisfactory. In other words, the online casino sector has the infrastructure in place to ensure that certified slots perform as intended.

Moreover, regulators like the UK Gambling Commission (UKGC) and Malta Gaming Authority (MGA) require operators to ensure that only games meeting specific standards can be available in the casinos.

So, the volatility you experience isn’t something casinos can simply change whenever they want. It’s tied to the game’s underlying maths and has to be tested and verified.

Slot Volatility vs. RTP

The RTP in online slots informs about the average long-term return of a particular game. The table below shows the difference between the two:

Volatility doesn’t directly show the exact win frequency; a slot’s hit frequency does. It is more about the size and distribution of payouts.

🆚 Volatility vs. Hit Frequency

Many people confuse these two. Hit frequency is basically how often you get a winning result. For example, you can imagine a slot that gives you payouts on roughly 30 out of every 100 spins. That sounds pretty good, but those wins might be small, sometimes just enough to cover part of your bet.

So, hit frequency doesn’t tell you how often you walk away with a profit. Using the math and the slot machine RTP calculator can also help you understand how hit frequency, volatility, and RTP work—and why two slots can be extremely different.

The Four Slot Volatility Tiers

Think of the four tiers as different levels of risk and reward. Here’s what each one looks like in a real betting session.

1️⃣ Low Volatility

Most low-variance slots tend to pay out smaller prizes but maintain a steady bankroll, which keeps the balance from going up and down too much. For example, if you’re playing a $10 minimum-bet low-variance slot and you land a $20, that’s normal. You’re not going to see large bonuses, but the game will likely seem a little more predictable.

You might see a hit-frequency around 70%, meaning roughly 7 out of every 10 spins give you something back. It sounds good but the problem is that those wins are small. It means an average prize of maybe 60% of your bet size. So if you’re spinning at $1 every time, most of your wins are landing somewhere around 60 cents.

Low-volatility slots can be a good choice if you want to invest more money into the game without risking a big decrease of your bankroll in one session.

Starburst and Clover Rollover 2 are well-known examples of low-volatility slots.

Credit: Red Dog Casino

2️⃣ Medium Volatility

A medium volatility lies right in between the low and high. You still get the smaller wins quite often, but there is a possibility that at one point or another, you will land a much larger reward.

Assuming you bet $10, you will see yourself winning $30 or $50 at some point, followed by some losses. The fluctuations will be noticeable, but less so than with high volatility slots. Overall, it appears to be an ideal balance for many players.

Book of Dead and Big Bass Bonanza are examples of medium volatility slots.

3️⃣ High Volatility

With high-volatility slots, swings become more. You might have a long run of losing many spins or small returns, and then be followed by one much bigger win.

For instance, you could bet $5 a spin playing a progressive slot and lose $40 before landing a $100 payout.

You might be looking at a hit-frequency of only 20-25%, meaning maybe 1 in every 4 or 5 spins actually pays you something. But that average prize could be sitting at 300%, 500%, sometimes way more of your bet size.

This tier tends to suit players who are comfortable with bigger bankroll swings and more patience between meaningful wins.

Typically, progressive jackpot slots are high volatility slots.

4️⃣ Extreme Volatility

Extreme volatility is the most unpredictable of the four. They can be highly profitable, but only for those who manage to survive several losing spins.

So, if you begin with $300 and bet $10 per spin, you can quickly spend most of your bankroll on losing combinations, and then win back $500 in one spin. Therefore, the biggest reward is also the most dangerous, as the bankroll can be emptied before the desired combination appears.

Thus, when you opt to play extreme volatility slots, the reasonable strategy is to determine your bankroll in advance and stay within its limits. A bigger potential payout also means accepting much bigger swings along the way.

Examples of extreme volatility slots include Wanted Dead or a Wild, RIP City, and Le Pharaoh.

✅ RTP and Volatility: How the Two Work Together

When playing a slot game, you will find that it is either generous and boring or stingy and wild. Once you cross the two, you can get four totally different personalities. Each of the four quadrants has the following characteristics:

Thus, RTP and volatility together can provide a clearer picture than looking at either figure on its own.

How to Find the Volatility of a Slot Machine

Determining the volatility of a slot is not an easy task because it cannot be determined using a few spins. You normally need information about the slot’s paytable, hit frequency, and payout structure.

• Check the game information: The best place to begin is the slot’s information/help section. Some providers list information like the maximum wins, RTP, hit frequency, and volatility. Other information should give you a rough idea if the volatility is not listed but don’t assume a short session testing out a demo can tell you how volatile a game really is.
• Check hit frequency: Slot hit frequency is how often a slot should land on a winning spin; for example, if a game has a hit frequency of 30%, then you should expect to see about 3 hits of some form on every 10 spins. Just remember that this is a long-term stat and not a guarantee on your next couple of spins.
• Check the features of the game: Slots with huge jackpots, multipliers, bonus games, or with very high maximum win potential are highly volatile games. On the contrary, slots that have many small wins and few features can be low-volatile.

 How Slot Volatility Affects Your Bankroll

It is very important to choose the right slots based on your objectives and risk level.

Here is a practical bankroll framework by volatility:

These are not guarantees or formulas for predicting results. Think of them as session-planning guides. Actual results can vary widely, even between games in the same volatility tier.

✅ The Psychology of a High-Volatility Cold Streak

A high-volatility losing streak may influence your mind differently from a normal losing streak.

You lose many times consecutively. However, since the outcomes swing around, there will be some moments when you will suddenly start to win. You will think, “finally, I’ve got my rhythm again.” But then another loss comes along and brings you back to the same starting point. Such streaks are especially challenging due to this emotional roller coaster.

For example, imagine someone whose outcomes are usually predictable. Suddenly, they become highly unpredictable. There will be some days when everything goes according to plan. And the following day nothing seems to work. After a while, you begin to evaluate all decisions based on the last one.

You become impatient. You push yourself since you desperately want the streak to end. A bad outcome seems even more significant than normal. And when things finally turn out well, you may become too optimistic and start taking risks that you wouldn’t otherwise take. Making an emotional reaction to every swing is risky.

For instance, you toss a coin, and it comes up heads several times in succession. You begin believing that the coin has to come up tails. But you toss it again and get heads, and you get frustrated. All of a sudden, you have started altering your behavior based on your expectation that the pattern has to change.

The same thing can happen during a cold streak. You start chasing results instead of following your normal process.

During a high-volatility cold streak, consistency becomes more important than confidence. Stick to the process you trust. Avoid making big decisions in the heat of frustration.

Choosing the Right Slot Volatility

Selection of a slot is primarily based on the goals that you have set for yourself and how comfortable you are with the amount of bankroll.

Slot Volatility in Online vs. Physical Slot Machines

The level of volatility in slots played online is not different from those played on a physical slot machine. The only difference is that, compared to physical machines, playing online might make the comparison of volatility levels easier, as players have access to information about the game, such as volatility and payouts, which is often available on the game page.

Credit: Nomini

Whether you play in physical or online casinos, understanding volatility can simply help you choose a game that matches the kind of risk and win pattern you prefer.

Common Slot Volatility Mistakes

Volatility of slots can be easy to misunderstand, especially when you’re focused on the size of potential wins. I have made some of these mistakes myself and learned that while selecting slot machines, bigger payouts shouldn’t be your only concern, but rather the amount of risk your budget can handle. Some of these mistakes include:

❌ Selecting High Volatility With Inadequate Bankroll

I recall a session in which I became excited about a high-volatility slot machine because the winnings appeared to be significantly larger. The problem was, my bankroll simply wasn’t big enough to handle the swings. A few losing spins came quickly, and suddenly I was chasing the bigger win instead of playing within my limits.

This kind of situation shows that a high-volatility slot should not be selected by a player with a low budget. The range of losses that such a player can withstand is narrow, which means that there are fewer chances for a big win.

❌ Confusing a Cold Streak With a Broken Game

Many players fall into the trap of thinking a game is “broken”: assuming that a certain game is broken only because you have experienced a streak of losses. With time, you tend to think that the game will be different from this point on. But the losing streak is ongoing. It does not necessarily mean that the mechanics of the game have stopped functioning.

What you should keep in mind is the fact that the previous spins do not dictate future actions. Sometimes it makes more sense to quit the game.

❌ Treating RTP and Volatility as the Same Concept

Early in my career, I used to look at RTP and volatility almost as if they meant the same thing. They don’t.

RTP is about the game’s theoretical long-term return, while volatility tells you more about how those returns can be spread out. The highest RTP slot game can still be very volatile, meaning the ride can be rough even if the long-term theoretical return looks attractive.

By realizing that RTP and volatility represent two separate concepts, I stopped judging the slot by its single RTP figure. By using both metrics as a reference, I have the ability to judge the game in a much better way.

❌ Assuming Medium Volatility Is Always the Safe Choice

Medium volatility sounds like the obvious middle ground, but it is not. Medium-volatility games can also have longer losing streaks and big swings, they’re just between low-volatility games and high-volatility games in the frequency of wins and the size of those wins.

It’s better to figure out the size of your bankroll, what size of bets you’re comfortable playing, and what number of losing streaks you’re comfortable with than to assume a medium-volatility game is always the safer bet.

Expert Opinion

George Williams

Senior Editor / Betting & Casino Expert

Through my own personal experience, I have realized that there is always a temptation of trying to land on a big win, particularly when the slot seems "due." However, each spin is independent, meaning that previous spins don’t affect future spins.

The usual advice is to choose volatility based on how comfortable you are with swings in your bankroll. If you prefer a steadier session, lower or medium volatility is generally easier to handle. If you play higher-volatility slots, experts recommend setting a gambling budget beforehand and accepting that losing stretches are part of the game. In the end, volatility doesn’t change the house edge—it mainly changes the way wins and losses are spread out over time.

Responsible Gambling

Responsible gambling means keeping gambling as entertainment rather than treating it as a way to make money. You need to implement safe gambling practices.

• Before you sit down to play, decide on a budget and stick with it. And if you start feeling frustrated, walk away for a bit. Taking a break can keep you from chasing losses or making decisions you’ll regret.
• Most importantly, volatility doesn’t erase the fact that gambling is a risk. Just because a slot offers big potential payouts doesn’t mean you’re due for one—volatility just describes how those payouts are spread out and sized, not your odds of walking away ahead.
• Never chase your losses, especially on high-volatility machines. And once you hit your limit, that’s your cue to stop. Gambling should be entertainment, not a way to make money.
• If gambling stops feeling fun or starts affecting your money, relationships, work, or peace of mind, it’s worth stepping back and getting support. If you are looking for the international organisations that can support you, I’d recommend Gambling Therapy and Gamblers Anonymous. They cover online support, peer support for gamblers, and support for affected families.

Conclusion

Volatility is one of the main features of slots which explains the pattern of payouts. Slots with low volatility make frequent but small payouts, and slots with high volatility provide rare but big payouts. This feature of slots is programmed and does not vary. Being familiar with the features of these two types of slots will help you choose the right slot machine and entertainment budget.

If you win on high-volatility slots, it can be pretty fun to see your bet pay off. But it can also spend through your balance pretty quickly if you’re not careful. Low-volatility slots are usually more steady, although they tend to have smaller wins.

FAQs

Is Slot Volatility the Same as RTP?

No, volatility describes how frequent and how big the wins tend to be, while RTP shows the theoretical percentage a slot machine returns over time. Two slots, for instance, may have the same RTP but quite different win patterns.

Can Volatility Change During a Session?

No, a slot’s volatility normally stays the same because it is built into the game’s design. Because each spin is random, your results can still vary from session to session.

Is High Volatility Better Than Low Volatility?

Neither is better, depending on your play style and risk tolerance. Low volatility slots tend to have smaller wins and more often, while high volatility slots tend to have larger wins that can happen less often.

Do Low Volatility Slots Work Better for Casino Bonus Wagering Requirements?

Yes, they can. If you make smaller more frequent wins, your balance can last longer. However, some games contribute less or are not included in the wagering at all, so always read the bonus terms.

How Do I Know the Volatility of a Slot Machine If The Developer Doesn’t Release It?

Reliable reviews and game manuals, as well as information about the payout amounts and the frequency of winning of the slot machine will give you a general idea. But unless the developer or trustworthy testing data provides it, you cannot be sure of its exact volatility.