Combo bets offer substantial payouts because each leg multiplies the overall odds. However, they are more expensive than they appear because every added selection also compounds the bookmaker’s margin. Accumulator boosts, commonly known as combo multipliers, increase the combined odds of a qualifying multi-bet by a specific factor once a minimum threshold of legs is reached. Sportsbooks introduce these promotions to make multi-leg crypto sports betting wagers more appealing. These boosts rarely eliminate the hidden costs of a lengthy accumulator; certain tiers offset most of the expense, while others only partially cover it, as detailed in the data below.
How a Combo Boost Works
When you build a multi-bet consisting of several independent selections, the sportsbook multiplies their individual odds together. The boost then applies an additional multiplier that scales according to the total number of legs.
- Qualification: The boost activates at a specified minimum leg count and increases alongside higher selections.
- Payment: The boost is only awarded if every individual leg wins, exactly like a standard accumulator.
- Calculation: The booster generally functions as an extra odd integrated into the final combined price.
- Limits: Maximum payout regulations continue to restrict the maximum potential return of a winning wager.
Football accumulators represent the most frequent venue for these boosts, as busy weekend fixture schedules make assembling six- or eight-leg bets straightforward.
Combo+ on Dexsport
Dexsport brands its promotion as Combo+ and applies it automatically to eligible multi-bets across four distinct tiers:
| Legs in the combo | Combo+ multiplier |
|---|---|
| 4 | 1.08 |
| 6 | 1.15 |
| 8 | 1.2 |
| 10 | 1.5 |
Last verified: September 2026
The progression increases significantly when reaching ten selections…
Frequently Asked Questions
What is an accumulator boost?
An accumulator boost, or combo multiplier, is a promotion offered by sportsbooks that increases the combined odds of an eligible multi-bet by a fixed factor once it reaches a certain number of selections.
Do accumulator boosts eliminate bookmaker margins?
No, boosts rarely erase the extra cost of a long combo entirely. Certain tiers offset a significant portion of the added cost, while others only cover a fraction of it.
When does a boost payout?
Like a standard accumulator, a boosted combo only pays out if every single leg in the bet wins.
How does Dexsport structure its Combo+ tiers?
Dexsport applies its Combo+ multiplier automatically at four fixed steps based on the number of legs: 4 legs (1.08), 6 legs (1.15), 8 legs (1.2), and 10 legs (1.5).