Parlay (Accumulator)
One ticket that bundles two or more picks into a single bet — every leg has to land for it to pay.
A parlay — also called an accumulator or “acca” — is a single bet that ties two or more picks together on one ticket. The catch is simple: every leg has to win. Drop a single leg and the whole parlay is graded a loss. The draw is the math: each selection’s odds multiply into one another, so the payout scales up fast with every leg you stack — well beyond what those bets would return on their own.
Parlays work across just about any sport and bet type. You can mix moneylines, point spreads, totals (over/under), and even props onto a single ticket. Most books take parlays from two legs up to ten or more, though the ceiling depends on the operator.
Example
Say you build a three-leg parlay with a $10 stake:
- Leg 1: Kansas City Chiefs moneyline at -150 (decimal odds 1.67)
- Leg 2: Over 45.5 points in the Packers vs. Bears game at -110 (decimal odds 1.91)
- Leg 3: Buffalo Bills -3.5 at -110 (decimal odds 1.91)
Multiply the decimals: 1.67 x 1.91 x 1.91 = 6.09. A $10 stake would return $60.93, a profit of $50.93. Hit all three legs and that full amount is yours. If the Chiefs win and the over cashes but the Bills miss the cover, the entire $10 stake is gone.
Key Points
- All-or-nothing structure: Every leg has to win. One losing pick sinks the whole ticket, no matter how the others did.
- Compounding odds create large payouts: Multiplying the legs together makes payouts grow exponentially with each pick added, which is exactly why parlays draw bettors chasing big returns on small stakes.
- Higher house edge: The payouts look great, but parlays carry a bigger built-in house edge than placing each pick as its own straight bet. Your win probability drops with every leg.
- Void or pushed legs: If a leg pushes (ties) or gets voided — say a game is canceled — most books drop that leg and recalculate the parlay at lower odds rather than killing the whole ticket.
- Correlated parlays are often restricted: Books may cap or block parlays where the picks are statistically correlated, since those combos can tilt expected value toward the bettor.