
Promotion
Bet365 Acca Boost Promotion Explained for Football, Tennis and US Sports
Bet365’s Acca Boost adds 2.5% to 100% to qualifying accumulator winnings, with eligible markets across football, tennis, US sports and MMA. New and eligible customers only, with exclusions, minimum odds rules and a £100,000 cap.
Last updated 26 March 2026
Bet365 Promotion
Bet365’s Acca Boost is a winnings enhancement on qualifying accumulators rather than a free bet or stake refund offer. It applies to new and eligible customers and covers a broad mix of sports, including football, tennis, major US sports and MMA, provided the bet is made on the listed markets and competitions.
The key point is that the extra amount is added only if the accumulator wins. The boost rises with the number of selections, starting at 2.5% for doubles and reaching 100% for a 20-fold. Bet365 states that the additional winnings are paid as cash into a withdrawable balance.
Offer Overview
This promotion applies to accumulators with 2 or more selections placed from 18:30 UK time on 6 August 2024. Qualifying bets can be pre-match or in-play.
The boost percentage depends on the size of the acca:
- Doubles: 2.5%
- Trebles: 5%
- 4-folds: 7.5%
- 5-folds: 10%
- 6-folds: 12.5%
- 7-folds: 15%
- 8-folds: 20%
- 9-folds: 25%
- 10-folds: 30%
- 11-folds: 35%
- 12-folds: 40%
- 13-folds: 45%
- 14-folds: 50%
- 15-folds: 55%
- 16-folds: 60%
- 17-folds: 70%
- 18-folds: 80%
- 19-folds: 90%
- 20-folds: 100%
Bet365 says the maximum boost is £100,000, or currency equivalent.
How It Works
To qualify, the bet must be an accumulator of at least two selections on the specified markets. The offer is not a blanket boost across all sports or all market types, so market choice matters.
For football, the qualifying markets are standard Full Time Result, Both Teams To Score and Result/Both Teams To Score. For tennis, the listed markets are To Win Match, First Set Winner and Set Betting. In other sports, the eligible markets include selected spread, money line, totals, run line, puck line and fight winner markets, depending on the sport.
The source also makes clear that only selected competitions count. Football includes a long list of domestic and international competitions, while non-football coverage includes events such as the NFL, NBA, NHL, MLB, ATP, WTA, Challenger Tour, Davis Cup, Billie Jean King Cup and MMA events.
If the accumulator wins, the relevant percentage is added to the winnings. Bet365 says the boost element should be credited within 24 hours of the final selection being played.
If one or more selections are void or postponed, the bet can still qualify, but the boost is recalculated based on the actual number of winning selections. Bet365 gives the example of an 8-fold with 7 winners and 1 postponed selection receiving a 15% boost, which is the 7-fold rate.
Key Terms to Know
Claim Freebets at Bet365This offer is only for new and eligible customers, and Bet365 says eligibility is determined by the account’s available offers.
Several restrictions are important:
- Bets using Bet Credits do not qualify.
- Cashed Out bets do not qualify.
- Bet Builder and Bet Builder+ accumulators are excluded.
- Pre-built multiples with a separate Bet Boost are excluded.
- Fixed odds Parlay Cards, Teasers, Fixed Teaser Cards, Jackpots and bonus combination bets such as Lucky 15s and Lucky 31s are excluded.
- Double Chance bets do not count.
- Alternative line, spread or totals markets are excluded.
- Full Time Result - Enhanced Prices in football is excluded.
- Pre-season, exhibition and All-Star games do not count.
There is also an odds restriction. The boost will not apply if any selection in the accumulator is priced below 1/10.
Another notable point is the treatment of Early Payout. If an accumulator would have lost in the normal course of settlement but is turned into a winner under Early Payout rules, no additional winnings are added under this promotion.
The source also notes that some markets where the outcome can later be voided, despite the event result being known, may prevent the boost from applying.
Who This Promotion Suits
This Bet365 offer is most relevant for punters who already place accumulators across mainstream football, tennis or major US sports markets and want an extra return on winning bets rather than a separate bonus token.
It is likely to suit customers who stick to standard match-result style markets and are comfortable building their own accas from the eligible competitions. It is less suitable for anyone who mainly uses Bet Builders, enhanced prices, bonus-funded bets or niche market types, because those are specifically excluded.
It may also appeal more to acca players using larger multiples, since the percentage increase becomes more meaningful as the number of selections rises. That said, the practical trade-off is obvious: bigger accumulators carry a lower chance of winning.
Final Word
Bet365’s Acca Boost is a straightforward winnings enhancement for qualifying accumulators, with a wide sports list but a fairly strict set of market and bet-type rules. The main value is in the sliding boost scale, which starts modestly for doubles and climbs to a full 100% for a 20-fold.
For comparison purposes, the important details are the limited customer eligibility, the specific qualifying markets, the exclusion of Bet Credits and Bet Builders, and the fact that the extra amount is paid only on winning accas. If you already place standard accumulators on the covered competitions, this is a promotion worth checking carefully against the terms before staking.