What’s a Multi-Way Arb, Anyway?
Multi-way arbs happen when you cover every possible outcome of a game or event—using odds from different bookmakers—to guarantee a profit. You're basically betting on all sides of a match, but with prices so juicy that one of them has to pay more than what you put in.
These arbs come in 2-way, 3-way, or 4-way setups. A tennis match? Usually 2-way—Player A vs. Player B. Soccer? That’s a classic 3-way—Home, Draw, Away. Some deeper markets like tennis set scores or exact goal counts can even bring 4-way arbs into play.
Add More Odds, Catch More Edges
In most arb Calculators, you’ll start with two outcomes by default. But if you’re working with soccer, snooker, or niche props, you’ll need to add more lines. Look for a little “+” or “Add Outcome” button in the calculator panel.
Each extra outcome slot lets you plug in odds from another bookmaker. The more accurate your input, the better the calculator can show you if there’s an edge. Don’t forget to double-check the format—decimal, not fractional or American.
Watch the Total Implied Probability
Once your odds are in, the calculator adds up each outcome’s implied probability. In an arb, that number should be under 100%. That’s your cue: you’ve found an edge.
Here’s the trick—
- Under 100% = profit possible
- Exactly 100% = breakeven
- Over 100% = no arb (or wrong input)
If you're over 100%, it doesn’t always mean there’s no opportunity. You might’ve misclicked an odds format, entered a dead line, or missed a better price somewhere.
A Real Bet: Premier League, Draw No Bet
Let’s walk through a true three-way arb from a Premier League matchup.
A few months back, Arsenal played Tottenham. Bookmaker A had Arsenal “draw no bet” at 2.10. Bookmaker B offered Tottenham “draw no bet” at 2.15. A third bookie had the draw at 3.60 (as a separate hedge).
By splitting stakes smartly across those three lines, bettors could lock in a small but guaranteed return. The “draw no bet” markets helped flatten risk, and the standalone draw line sealed the cover. Perfect example of how multi-bookmaker arbs don’t always need high odds—just the right combo.
Fixing a Too-High Implied Total
If your implied total says 101%, 102%, or worse, don’t panic. It’s usually a data issue, not a busted strategy.
Here’s what to check:
- Make sure odds are decimal
- Confirm all outcomes are covered
- Refresh lines—prices shift fast
- Watch for hidden margins (like boosted odds that don’t include a payout cap)
Still over 100% after all that? Walk away. There’s no edge worth chasing with bad data.
Chasing the Perfect Multi-Way Angle
Multi-bookmaker, multi-outcome arbs are like puzzles—you’re just fitting the right prices together. Whether it’s two-way tennis or a chaotic soccer market, the key is keeping your eyes sharp and your numbers tighter than a drum. Every percentage under 100% means a shot at free money—and that’s why the grind is worth it.