Parlay, Teaser & Reverse Constructor
Compound legs, test line shifts, compute exact reverse double if-bet exposure, and export directly to sportsbooks.
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Pick your legs
Tap fixtures from Today's Games or type a custom pick with its odds.
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Watch the math
Combined odds, payout and true probability update live on the right.
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Heed the detour
If a leg is under 40% to hit, we suggest a safer swap. Then save or export.
Every live and upcoming matchup from the ESPN feed — tap any line to add it as a parlay leg.
Spread & total lines at standard −110 consensus vig; moneyline shown is a spread-derived consensus estimate.
Mathematically Audited Matchup Research$2.00 / Verified Build
Every leg is derived from statistical sample sizes (N ≥ 30), player vs scheme matchups, and regression models. No house hype — pure probability arbitrage.
Indianapolis Colts @ Kansas City Chiefs
GEHA Field at Arrowhead Stadium (Wind: 8mph, Temp: 68°F)
Mahomes posts +0.41 EPA/play vs Cover 2 zone (No. 1 among active QBs). Colts run it on 38% of snaps.
"Post-Bye Rest & Non-Divisional Road Dogs"
Green Bay Packers @ New York Jets
MetLife Stadium (Wind: 9mph, Temp: 66°F)
Packers rank top-5 in early-down pass rate; Jets allow 7.9 YPA on safety rotation plays.
"Interconference Over with High Redzone TD%"
Miami Dolphins @ San Francisco 49ers
Levi's Stadium (Santa Clara)
Dolphins surrender 5.1 YPC on outside-tackle zone runs (rank 28th in defensive success rate).
"Shanahan Rushing Volume as Double-Digit Home Favorites"
The Net Grid
Your current legs (cyan ring) mapped against every leg that has won or lost together on your past parlays.
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Circles are legs
Every selection you have ever parlayed. Bigger and greener = more winning tickets.
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Lines are connections
A green line means those two legs cashed together. Red means they lost together. Dotted cyan is your current slip.
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Tap to inspect
Tap any circle to see its record and which legs it has won alongside.
Winning Ticket Grid
Settled winning parlays will appear here as verified records are added.
Payout Arithmetic
Important: As legs increase, sportsbooks compound the bookmaker margin (vig). Never view parlay odds as guaranteed probability.
Historical Winner Comparison
Early confidenceBuild a 3–10 leg parlay to compare its structure with historical tickets.
Descriptive estimate only—not a guarantee. Confidence improves as verified winning and losing tickets are added.
Parlays compound the multiplier of all independent legs. You can export verified slips directly to DraftKings, FanDuel, BetMGM, Caesars, ESPN BET, Bet365 and Fanatics.