Strategy Guide
How to find arbitrage bets in 2026.
A complete guide to spotting arbs, sizing stakes, and staying under the radar — including the tools that make arb hunting realistic.
What an arb actually is
An arbitrage opportunity exists when two or more books price opposite outcomes such that the combined implied probability is less than 100%. Split the right stake across both sides and you lock in profit regardless of result.
Why arbs exist
Books move lines on their own action — not on the wider market. When two books have very different player action, their lines diverge. Sharp books also lead, recreational books follow slowly, and the gap is the arb.
News-driven arbs are the biggest: injury reports, weather, and starting pitcher announcements move sharp books first.
How to scan without losing your mind
Manual line-shopping across 20+ books across every sport is impossible. A scanner like Parlae monitors every book on every market and pings you when an arb appears, with one-click stake splits.
Staying off the limit list
Don't bet round numbers ($100 → $97.42). Mix in straight bets and parlays. Withdraw irregularly. Use multiple books. Avoid betting maximum limits. None of this guarantees you stay open forever, but it extends your runway significantly.
Frequently asked questions
How often do arbs appear?
Across 20+ US books, dozens of two-way arbs surface daily — most lasting 30 seconds to 5 minutes. Three-way (soccer) arbs are rarer but larger.
Will I get limited?
Likely, eventually. Books detect arb behavior via round-number stakes, only-arb betting patterns, and account velocity. Vary stakes, mix in recreational bets, and spread action.
Minimum bankroll for arbing?
You can start with $1,000–2,000 spread across 4–6 books. Larger bankrolls catch bigger arbs because limits matter.
What about bonuses and promos?
Promo arbs (bet-and-get, profit boosts, risk-free) are the highest-ROI arbs available — often 30–80% guaranteed return. Parlae's promo scanner flags these.