Wagering: count the work before you take the reward
Wagering sits at the heart of nearly every casino bonus. Until it is complete, bonus funds and their winnings cannot be withdrawn. This page walks through the calculation step by step with hypothetical numbers — they are examples, not M777 terms; the current terms are on the operator's promotions page.
Step 1: find the base and the multiple
The terms state a multiple and what it applies to. The two most common versions are: a multiple of the bonus only, or a multiple of bonus plus deposit. Example: deposit 100 units, bonus 100 units, multiple 30. On the bonus alone, the required total stake is 3,000 units; on bonus plus deposit, 6,000.
Step 2: adjust for game weighting
If the game you play counts only partly, the real stake required rises. If table games count at 10%, then 3,000 units of wagering need 30,000 units staked at the tables. That is why most players clear bonuses on fully weighted slots, and why reading the contribution table is never optional.
Step 3: estimate house-edge erosion
Each bet erodes the balance by the house edge on average. On a slot with a 96% RTP, the average erosion is about 4% of the total staked. Across 3,000 units of bets, that is roughly 120 units — more than the 100-unit bonus in our example. On average, then, such a bonus balance runs out before wagering is complete, and only favourable variance lets some players finish. The RTP version shown in the game's info panel changes this calculation a lot.
Step 4: factor in volatility
Volatility does not change average erosion, but it changes your chances of reaching the finish line. Gently swinging games make the balance fall more steadily, so more sessions end with a small remainder. High-volatility games make most sessions end at zero, but occasionally produce a big win that completes wagering with plenty to spare. Choose by your goal, not because one is "more profitable".
Step 5: check time and the bet cap
Divide the required total by your stake per spin, then by spins per hour. The result is the number of hours needed. If that is far more than you intend to play, or beyond the bonus expiry, the bonus does not suit you. Do not raise the stake to speed up — it is risky and may break the maximum-bet rule.
Signs a bonus is not worth it
- Wagering applies to bonus plus deposit at a high multiple.
- The games you want to play are weighted low or excluded.
- The hours required exceed the time limit you set.
- The bonus nudges you to deposit more than planned.
All terms are explained on the bonus terms page; volatility on the Slots page.