Kalshi vs Polymarket: the same event, priced after fees
Both exchanges price sports outcomes as contracts, and their prices rarely match. Every price below is stated NET of each venue’s trading fee — the honest number to compare — next to what regulated sportsbooks pay on the same outcome. As of Aug 17, 1:57 AM ET. Bold marks the better payout. Prices move — always confirm at the venue.
| Bet | Game | Kalshi (after fees) | Polymarket (after fees) | Gap on $100 |
|---|---|---|---|---|
| Atlanta Dream ML | Atlanta Dream @ Las Vegas Aces · Aug 18, 10:00 PM ET | +140 | +155 | $15 |
| Toronto Tempo ML | Indiana Fever @ Toronto Tempo · Aug 18, 7:00 PM ET | +351 | +338 | $13 |
| Athletics ML | Athletics @ Kansas City Royals · Aug 17, 7:41 PM ET | +152 | +162 | $10 |
| Chicago White Sox ML | Chicago White Sox @ Chicago Cubs · Aug 17, 8:06 PM ET | +134 | +143 | $8 |
| San Diego Padres ML | San Diego Padres @ New York Mets · Aug 17, 7:11 PM ET | +101 | +107 | $7 |
| Connecticut Sun ML | Los Angeles Sparks @ Connecticut Sun · Aug 18, 7:00 PM ET | +101 | +107 | $7 |
| Miami Marlins ML | Miami Marlins @ Philadelphia Phillies · Aug 17, 6:40 PM ET | +208 | +202 | $6 |
| Dallas Wings ML | Dallas Wings @ Golden State Valkyries · Aug 17, 10:00 PM ET | +217 | +212 | $5 |
| Atlanta Braves ML | Atlanta Braves @ Minnesota Twins · Aug 17, 7:41 PM ET | -131 | -123 | $5 |
| Golden State Valkyries ML | Dallas Wings @ Golden State Valkyries · Aug 17, 10:00 PM ET | -276 | -245 | $5 |
| Colorado Rockies ML | Los Angeles Dodgers @ Colorado Rockies · Aug 17, 8:41 PM ET | +208 | +212 | $4 |
| Las Vegas Aces ML | Atlanta Dream @ Las Vegas Aces · Aug 18, 10:00 PM ET | -167 | -179 | $4 |
| Chicago Sky ML | New York Liberty @ Chicago Sky · Aug 18, 9:00 PM ET | +159 | +155 | $4 |
| Los Angeles Dodgers ML | Los Angeles Dodgers @ Colorado Rockies · Aug 17, 8:41 PM ET | -263 | -245 | $3 |
| Baltimore Orioles ML | Baltimore Orioles @ Tampa Bay Rays · Aug 17, 6:05 PM ET | +134 | +137 | $3 |
| Philadelphia Phillies ML | Miami Marlins @ Philadelphia Phillies · Aug 17, 6:40 PM ET | -250 | -235 | $3 |
| Arizona Diamondbacks ML | Arizona Diamondbacks @ Boston Red Sox · Aug 17, 7:11 PM ET | +129 | +131 | $3 |
| Pittsburgh Pirates ML | Detroit Tigers @ Pittsburgh Pirates · Aug 17, 7:06 PM ET | +101 | +103 | $2 |
| Indiana Fever ML | Indiana Fever @ Toronto Tempo · Aug 18, 7:00 PM ET | -430 | -396 | $2 |
| Detroit Tigers ML | Detroit Tigers @ Pittsburgh Pirates · Aug 17, 7:06 PM ET | -121 | -119 | $2 |
What is Oddy?
Oddy shows what every regulated sportsbook and prediction market pays for the same bet, ranked, with a link to the best price. Prices refresh about every minute. Free, no account, and we never sell picks.