Arbitrage betting (also called arb betting or “sure betting”) is a strategy that calculates whether every listed outcome can be covered across different betting sites for less than the total return. The calculated margin exists only while the quoted prices remain available and every bet is accepted under matching settlement rules.
These opportunities appear when bookmakers price the same market differently. If the combined implied probabilities across two or more sites add up to less than 100%, a theoretical arbitrage margin exists. Smart bettors use an arbitrage betting calculator to split stakes precisely and a live arbitrage betting finder to discover opportunities before they vanish.
Over 5.5 rebounds vs Under 5.5 rebounds priced differently on two bookmakers. By staking $100 split according to the calculator, the displayed prices produce a calculated $3.73 return above the $100 stake once both bets are accepted. The realised result can change if a price moves, a stake is limited or the two markets settle differently.
Bookmakers don’t copy each other’s prices perfectly. News, promotions, trading models, and liquidity differences cause prices to diverge. When those divergences are wide enough, covering both sides can produce a calculated return across the listed outcomes.
This quick demo shows how a price gap becomes a calculated arbitrage margin. Watch how we spot opportunities, verify the markets and calculate stakes using the WagerWise toolkit.
Ready to try it yourself? Fire up the Arbitrage Finder and stake perfectly with the Calculator.
Australians should use wagering providers listed on the ACMA register of licensed interactive wagering providers and follow the applicable operator terms and state or territory rules. Operators may apply stake limits or account restrictions under their terms.
General information only, not legal advice. Regulations and operator terms can change.
Manually estimating stakes risks error. An arbitrage calculator removes guesswork, factoring in odds, stake size, and (if relevant) commission, so your positions perfectly hedge. Try our free arbitrage betting calculator.
Arbs are fleeting. A real-time arbitrage betting finder scans thousands of markets, flags qualified opportunities, and helps you act faster than manual hunting ever could. Our WagerWise Arbitrage Finder is built for speed, filters, and ease.
Consistency beats aggression. Many arbers cap mainstream markets (moneyline/totals/handicap) around the $100–$200 range and use smaller amounts for niche player props. Keep stakes proportional to your bankroll and diversify across events and sites.
While arbitrage betting is low-risk when executed correctly, there are practical concerns:
Price drift, promotions, model differences, and latency in updates all create arbitrage betting opportunities. You’ll often see them in high-liquidity sports like soccer, tennis, basketball (NBA), and in Aussie codes (AFL/NRL), especially around totals and handicaps.
Calculating whether every listed outcome can be covered across different betting sites for less than the total return.
Australians should use licensed wagering providers and follow their terms and applicable local rules.
Laws vary by country. In Australia, arbing itself isn’t illegal, but always follow local regulations.
Use licensed operators, verify the market rules and follow the operator terms. Restrictions may still apply.
Find odds discrepancies, split stakes using an arbitrage betting calculator, and place both sides quickly.
An arbitrage betting finder to discover opportunities and a calculator to stake precisely.
If you’re serious about arbitrage, let the software do the heavy lifting. Scan the markets with our Arbitrage Betting Finder and stake perfectly with the Arbitrage Betting Calculator.