9.8 / 10

BFB247 is a premium betting exchange combining world-class sportsbooks from Pinnacle and ISN in one solution — with Betfair odds and liquidity via Orbit Exchange.
Arbitrage · surebetting · matched betting
Choose the workflow, run the calculator, compare the right tools, and read the review only when it helps your next bet. SureBets now starts with the job you need done.
Product decision wizard
Start with the betting job, not the bookmaker. Pick the workflow that matches your situation and we will route you to the right calculator, comparison page, and practical shortlist.
Matched and volume betting workflow
Matched betting builds the bankroll and back/lay mechanics. Volume betting extends the same skillset into larger, cleaner turnover that can unlock VIP rewards.
Why this path
This path puts the calculator and exchange first, then points you toward the volume-betting playbook instead of treating promos as the final destination.
Editorial shortlist
These are curated recommendations for the selected workflow. Scores are a supporting signal, not the reason for the match.
9.8 / 10

BFB247 is a premium betting exchange combining world-class sportsbooks from Pinnacle and ISN in one solution — with Betfair odds and liquidity via Orbit Exchange.
9.8 / 10
Matched and volume bettors chasing the best price: exchange odds with no bookmaker margin, Polymarket-grade liquidity, self-custody, and no KYC or winner limits.
9.0 / 10

Discover OddsMonkey in 2026: a leading matched-betting service with an OddsMatcher, calculators, an offer calendar and a strong community. Our in-depth review.
9.7 / 10
Our complete OddsJam review: the arbitrage tool, low-hold matched betting, positive EV, middles, Parlay Builder and pricing. Does it work in 2026?
Operating workflows
Cover every outcome of a match across different bookmakers so you lock in a profit no matter who wins — typically 1–5% per bet.
Surebet calculator →Turn free bets and bookmaker promotions into guaranteed returns by backing and laying the same selection. Risk-free when done right.
Matched betting calculator →Bet only when the odds are higher than the true probability. Over the long run, positive expected value grows your bankroll steadily.
Value betting software →Pre-match arbs are slower and beginner-friendly; live arbs move fast but appear far more often. Most pros run both with good software.
Compare software →Calculation layer
Betting calculator
Split stakes across outcomes with optional exchange commission.
Betting calculator
Qualifying bets, SNR and SR free-bet profit in one tool.
Betting calculator
Effective odds after Betfair-style commission.
Betting calculator
Track yield and return on investment over a sample of bets.
Betting calculator
Stake across multiple selections for a target return.
Betting calculator
Lock profit or reduce exposure between back and lay prices.
Top 10 worldwide

Sharkbetting Best Free Oddsmatcher








No-limits betting
Best for: Matched and volume bettors chasing the best price: exchange odds with no bookmaker margin, Polymarket-grade liquidity, self-custody, and no KYC or winner limits.

Best Exchange and Sportsbook in one Our preferred bookmaker and exchange for arbitrage betting and matched betting Betfair odds & Betfair liquidity

Full betfair liquidity with additional features! Via BFB247

The best liquidity in the world

A new betting exchange
Top 10 · where to bet

Best Exchange and Sportsbook in one Our preferred bookmaker and exchange for arbitrage betting and matched betting Betfair odds & Betfair liquidity

Exclusive VIP bonuses! Receive weekly and monthly bonuses, as well as fantastic promotions.

Best crypto sportsbook and casino Our preferred crypto sportsbook Social features and crypto staking

7-day 20% Cashback up to $1400 + 5 FREE BETS

Best for: US-based bettors in states without regulated sports betting who want a long-established offshore book with crypto support and deep US-sports markets.

100% Crypto Welcome Bonus

Among the best VIP Program

Best for: Bettors in regulated-but-flexible European markets who want a single account for sports, esports and casino with real-time in-play features.

Best for: Nordic and Baltic bettors who care more about transparent margins and reduced juice than about flashy bonuses.

Deposit $100, Get $50 Free Bet Code: SUREBETS
Top 10 · crypto & online

Exclusive VIP bonuses! Receive weekly and monthly bonuses, as well as fantastic promotions.

Best crypto sportsbook and casino Our preferred crypto sportsbook Social features and crypto staking

7-day 20% Cashback up to $1400 + 5 FREE BETS

Among the best VIP Program

100% Welcome Bonus

Get up to: $100,000 + 30 free spins Welcome Package Bonus To withdraw bonuses from your game account, you must first wager and win them back by making a certain amount of bets to fulfill the wagering requirements.

100% Bonus up to 7 BTС

Daily 22% Cashback

Get up to: 6 BTC + 300 Free Spins Welcome Package * New customers only. 100% match bonus based on first deposit of £/$/€20+.
Latest news

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Read articleThe complete guide
Sure betting — also called arbitrage betting, surebets, or sports arbitrage — turns betting from a gamble into a calculated investment. By covering every outcome of an event across different bookmakers, you lock in a profit no matter who wins. With the right surebet finder doing the scanning and the maths for you, a typical arbitrage returns 1–5% per bet, and the opportunities never run out.
A surebet is a mathematically guaranteed arbitrage situation: two or more bookmakers price the same event differently enough that backing every outcome returns more than you stake. Say two bookies both offer 2.5 on opposing sides of a match. Stake $100 on each and, whoever wins, you collect $250 for a $50 profit on the $200 risked. Software spots these gaps in seconds — something impossible to do by hand across thousands of fast-moving odds.
Pre-match surebets settle before kick-off. The odds move slowly, there are huge numbers of events, and they are the easiest place for beginners to start. Live (in-play) surebets appear far more often and make it harder for bookmakers to profile you, but the odds change fast, so you need a quick scanner and a steady hand.
Bookmakers compete fiercely and cannot track each other in real time. Different opinions on the same match, promotional boosts, and the occasional pricing error all create gaps between operators. Those gaps are the arbitrage — and because new ones open constantly, a good surebet finder keeps you supplied with profitable bets every day.
Browse our independent rankings above to find the surebet, value-betting, and matched-betting tools we rate highest, then use our free calculators to size every bet with confidence.
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