632 online casinos. A combined welcome-bonus pool of about $1.7 million, plus 92,550 free spins. Those are the totals in the database of BonusPilot, which tracks casino bonuses, wagering rules and payout conditions. On average, that is roughly $2,690 in bonus money and 146 free spins per casino.
Very little of it is money players can actually take home. Almost every bonus comes with a wagering requirement, and at typical slot returns the expected cost of meeting it is higher than the bonus itself. We ran the numbers to show why:
- BonusPilot puts the typical wagering requirement at 35x to 40x.
- At a 96% slot return, any bonus that requires wagering more than 25 times the bonus amount loses money on average. The typical bonus is well past that line.
- When wagering applies to the deposit plus the bonus, the break-even point falls to 12.5x for a 100% match.
- An average-sized bonus of $2,690 at 35x would require about $94,000 in bets, with an expected cost of about $3,770, roughly $1,080 more than the bonus is worth.
- Only wager-free bonuses keep their full value.
The gap between what bonuses advertise and what they deliver is wide, and it is largely invisible unless you read the full terms.
Where the numbers come from
The totals come from BonusPilot's casino database as of October 2026: 632 listed casinos, a combined welcome-bonus pool of about $1.7 million and 92,550 free spins. The averages are those totals divided by the number of casinos. The figure for typical wagering, 35x to 40x, is BonusPilot's own published benchmark.
To turn wagering terms into a real value, we used the standard expected-value calculation for a player on slots with a 96% return to player:
EV = B - (1 - RTP) \times W
Here B is the bonus amount and W is the total the player must wager to unlock it. A positive result means the bonus is worth taking on average; a negative one means the expected cost of wagering is larger than the bonus. The model ignores win caps and bet limits, so if anything it flatters the bonuses.
Finding 1: the typical bonus costs more to clear than it is worth
BonusPilot benchmarks the typical wagering requirement at 35x to 40x the bonus. Here is what that means in money, with wagering on the bonus only and a 96% slot return:
|
Bonus |
Wagering |
Total to bet |
Expected cost of betting |
Expected value of bonus |
|---|---|---|---|---|
|
$100 |
35x |
$3,500 |
$140 |
−$40 |
|
$100 |
40x |
$4,000 |
$160 |
−$60 |
|
$2,690 (average) |
35x |
$94,150 |
$3,766 |
−$1,076 |
|
$2,690 (average) |
40x |
$107,600 |
$4,304 |
−$1,614 |
The pattern holds at any size: at typical terms, a bigger bonus simply means a bigger expected loss. Every $100 wagered on a 96% slot costs $4 on average, and 35x wagering makes a player bet the bonus 35 times over.
Finding 2: "deposit plus bonus" quietly doubles the requirement
The same multiplier can mean two very different things. Many casinos apply wagering to the deposit plus the bonus rather than the bonus alone. Zizobet, one of the casinos in the database, is an example: its welcome package carries 30x wagering on deposit plus bonus.
|
Example: €100 deposit, €100 bonus, 35x |
Bonus only |
Deposit plus bonus |
|---|---|---|
|
Total to wager |
€3,500 |
€7,000 |
|
Expected cost at 96% RTP |
€140 |
€280 |
|
Expected value of the bonus |
−€40 |
−€180 |
Both offers would be advertised as "35x wagering". The second costs twice as much to clear, and the difference is usually stated only in the full terms.
Finding 3: win caps, bet limits and deadlines narrow the odds further
Wagering is only the first hurdle. Most offers stack further limits on top, and these are left out of the expected-value maths above, so real outcomes are worse still. The terms of Zizobet's welcome package, as listed on BonusPilot, show how they combine:
|
Term |
Zizobet welcome package |
|---|---|
|
Wagering |
30x deposit plus bonus |
|
Time to complete wagering |
30 days |
|
Maximum bet while bonus is active |
€5 |
|
Cap on winnings from bonus funds |
10x |
|
Wagering on free-spin winnings |
100x |
Win caps are the most damaging for lucky players: a big win above the cap is simply removed. Maximum bet rules are the most common trap; breaking them, even once, can void both the bonus and any winnings. Short expiry windows force players to wager large sums quickly, which raises the risk of chasing losses.
Finding 4: the break-even line most bonuses miss
There is a simple test for whether any wagered bonus is worth taking, and it follows directly from the arithmetic.
At 96% RTP, a bonus has positive expected value only when the player must wager less than 25 times the bonus amount:
|
Wagering basis |
Break-even multiplier at 96% RTP |
|---|---|
|
Bonus only |
Below 25x |
|
Deposit plus bonus, 100% match |
Below 12.5x |
|
No wagering |
Always positive |
Against a typical requirement of 35x to 40x, a standard bonus sits well on the losing side of that line, and a deposit-plus-bonus offer even further. Wager-free offers, such as cash rewards and zero rollover deals, are the only kind guaranteed to be worth their full face value.
The lesson for players is counter-intuitive: a smaller bonus with no wagering is usually worth far more than a huge match with standard terms.
Finding 5: where you play changes the maths
Regulation can move bonuses back across the break-even line. In the UK, the Gambling Commission has capped bonus wagering at 10x since January 2026. Under that cap, the same $100 bonus looks completely different:
|
$100 bonus, 96% slot return |
Typical offshore terms, 35x |
UK cap, 10x |
|---|---|---|
|
Total to bet |
$3,500 |
$1,000 |
|
Expected cost of betting |
$140 |
$40 |
|
Expected value of bonus |
−$40 |
+$60 |
Outside markets with a cap, most casinos operate under licences that set no limit on wagering, which is where the 35x to 40x norm comes from. For players there, the choice of offer matters far more than the size of the headline match.
A worked example: three offers, one $100 deposit
To see how much the terms matter, compare three common types of offer for the same $100 deposit, using the same 96% slot return.
|
Offer A: big match |
Offer B: zero rollover cash |
Offer C: UK-style bonus |
|
|---|---|---|---|
|
Headline |
200% up to $500 |
$25 cash, no wagering |
100% up to $100 |
|
Bonus received |
$200 |
$25 |
$100 |
|
Wagering |
35x deposit plus bonus |
None |
10x bonus only |
|
Total to bet |
$10,500 |
$0 |
$1,000 |
|
Expected cost of betting |
$420 |
$0 |
$40 |
|
Expected value |
−$220 |
+$25 |
+$60 |
Offer A has by far the biggest headline and is by far the worst deal. On $1 spins, clearing it means about 10,500 spins, many hours of play, during which the house edge works steadily against the balance. Most players who take an offer like this run out of money before they finish wagering, and lose the bonus along with the deposit.
Offer B looks modest, but the $25 is real money from the moment it lands. Offer C shows what a fair wagering requirement does: the same kind of match bonus becomes worth taking once the multiplier drops below the break-even line.
The ranking is the reverse of what the headlines suggest. That is the single most useful thing a player can take from this analysis.
What this means for players
The data points to five practical rules.
- Ignore the headline percentage. The size of the match tells you almost nothing about the value of the offer.
- Find the wagering basis. Check whether the multiplier applies to the bonus alone or to deposit plus bonus. The second roughly doubles the cost.
- Use the 25x rule. At typical slot returns, a bonus is rarely worth taking if you must wager more than 25 times the bonus amount.
- Read the three hidden limits. Win caps, maximum bets and expiry dates each reduce what you can withdraw.
- Prefer wager-free offers. Cash rewards and zero rollover bonuses keep their full value, so a modest one usually beats a large standard match.
Comparison databases that publish full terms, rather than headline offers, make these checks quick. Declining a bonus is often the best-value choice of all.
18+ only. Gambling involves financial risk and can be addictive. No bonus changes the house edge; play only with money you can afford to lose.
Frequently asked questions
What is a good wagering requirement?
At a typical 96% slot return, anything below 25x the bonus amount gives a bonus positive expected value, and the lower the better. 10x or less is genuinely good. If wagering applies to the deposit plus the bonus, halve those thresholds for a 100% match.
Are no-deposit bonuses worth it?
They cost nothing to claim, so they rarely leave you worse off. But they usually carry high wagering and a low cap on what you can withdraw, often $50 to $100. Treat them as a free trial of the casino, not a way to make money.
Why do casinos offer bonuses they know players will lose?
Because big headline numbers attract sign-ups, and the wagering requirement keeps players betting long enough for the house edge to recover the bonus. A bonus is a marketing cost that the terms are designed to earn back.
Can I refuse a bonus?
Usually, yes. Most casinos let you opt out at deposit, and some offers are "non-sticky", meaning you play with your own cash first and can withdraw it before touching the bonus. If an offer has poor terms, declining it is often the best choice.
Do bonus terms differ between countries?
Yes. Regulators in some markets, such as the UK, cap wagering requirements, while many offshore licences set no limit. The same brand can show different terms depending on where you play from, so always read the version that applies to you.
Using this data
Journalists, researchers and bloggers are welcome to cite these findings, with a link to this page as the source. Charts may be embedded with attribution.
The database totals were taken from BonusPilot in October 2026. Casino terms change often, so check the current terms before relying on any single offer.
