Prediction market odds

Kalshi vs Polymarket odds, side by side

Every game listed on at least two of Kalshi and Polymarket, with the price to buy each team on each venue and the cheapest way to cover both teams. Prices updated 1 minute ago.

Games now and next

GameKalshiPolymarketBoth teams
Notre Dame Fighting Irish vs Villanova WildcatsCollege basketball · In progress20¢/81¢20¢/81¢101¢
Jets vs HurricanesNHL · In progress28¢/73¢29¢/72¢100¢
Celtics vs MagicNBA · In progress71¢/30¢71¢/30¢101¢
Wild vs CapitalsNHL · In progress51¢/50¢51¢/50¢101¢
Utah vs FlyersNHL · In progress61¢/40¢61¢/40¢101¢
Nets vs PacersNBA · In progress39¢/62¢39¢/62¢101¢
Oilers vs RangersNHL · In progress46¢/55¢46¢/55¢101¢
Senators vs DucksNHL · In progress52¢/48¢53¢/48¢100¢
Clippers vs WarriorsNBA · In progress46¢/54¢47¢/54¢100¢
Raptors vs LakersNBA · In progress43¢/57¢43¢/58¢100¢
UMBC Retrievers vs George Mason PatriotsCollege basketball · Mon, Nov 2, 4:00 PM ET6¢/94¢6¢/96¢100¢
Oakland Golden Grizzlies vs Michigan WolverinesCollege basketball · Mon, Nov 2, 6:00 PM ET1¢/–2¢/100¢101¢
Monmouth Hawks vs St. John's Red StormCollege basketball · Mon, Nov 2, 6:30 PM ET3¢/98¢4¢/98¢101¢
Thunder vs CavaliersNBA · Mon, Nov 2, 7:00 PM ET41¢/61¢40¢/61¢101¢
Red Wings vs PanthersNHL · Mon, Nov 2, 7:00 PM ET39¢/63¢38¢/63¢101¢
Bucknell Bison vs Maryland TerrapinsCollege basketball · Mon, Nov 2, 7:00 PM ET1¢/–1¢/100¢101¢
Mount St. Mary's Mountaineers vs Xavier MusketeersCollege basketball · Mon, Nov 2, 7:00 PM ET2¢/99¢6¢/98¢100¢
Maine Black Bears vs Providence FriarsCollege basketball · Mon, Nov 2, 7:00 PM ET2¢/99¢26¢/98¢100¢
Rider Broncs vs Pittsburgh PanthersCollege basketball · Mon, Nov 2, 7:00 PM ET1¢/–2¢/100¢101¢
Bulls vs 76ersNBA · Mon, Nov 2, 7:30 PM ET17¢/85¢16¢/85¢101¢
Wizards vs MagicNBA · Mon, Nov 2, 7:30 PM ET52¢/52¢52¢/49¢101¢
Nets vs KnicksNBA · Mon, Nov 2, 7:30 PM ET18¢/84¢16¢/85¢100¢
Hawks vs PacersNBA · Mon, Nov 2, 7:30 PM ET66¢/35¢65¢/36¢100¢
Pistons vs HornetsNBA · Mon, Nov 2, 7:30 PM ET62¢/39¢62¢/39¢101¢

Each venue column shows the first team / the second team. “Both teams” is the cheapest way to own one $1 payout whoever wins, buying each team on a different venue, before fees. Green means under $1 before fees; fees and size decide whether it pays.

Biggest price differences, last 3 days

GameBiggest price differenceBest spread after fees
Sacred Heart vs Stony BrookCollege football · Saturday, October 31, 202694¢ Kalshi vs Polymarket2.1%
Campbell vs University at AlbanyCollege football · Saturday, October 31, 202663¢ Kalshi vs Polymarket2.0%
Marist vs San DiegoCollege football · Saturday, October 31, 202648¢ Kalshi vs Polymarket7.0%
Blues vs Red WingsNHL · Saturday, October 31, 202639¢ Kalshi vs Polymarket3.2%
Oklahoma State vs Iowa StateCollege football · Friday, October 30, 202638¢ Kalshi vs Polymarket9.3%
Lightning vs PredatorsNHL · Saturday, October 31, 202637¢ Kalshi vs Polymarket7.6%
Washington vs NebraskaCollege football · Friday, October 30, 202635¢ Kalshi vs Polymarket7.5%
Maine vs Rhode IslandCollege football · Saturday, October 31, 202629¢ Kalshi vs Polymarket2.6%
Grambling State vs Texas SouthernCollege football · Saturday, October 31, 202627¢ Kalshi vs Polymarket18.6%
North Alabama vs Central ArkansasCollege football · Saturday, October 31, 202624¢ Kalshi vs Polymarket8.7%
Wofford vs SamfordCollege football · Saturday, October 31, 202624¢ Kalshi vs Polymarket10.4%
Idaho State vs Utah TechCollege football · Saturday, October 31, 202623¢ Kalshi vs Polymarket0.8%
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ArbTrader does the full math: fees on both venues, the size actually for sale, and how fast the gap closes, and pings you when buying both sides pays.
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Prices are each venue's best ask: the price to buy that team, before fees, at whatever size is for sale. A price of 45¢ means the market puts it at about 45%; each contract pays $1 if that team wins. Venues can settle a postponed or suspended game differently; check both venues' rules before trading. Not financial advice. ArbTrader isn't affiliated with Kalshi and Polymarket.