MLS odds on Kalshi vs Polymarket
Major League Soccer, priced on both venues. Right now there are 62 open MLS markets — 59 on Kalshi, 3 on Polymarket — carrying $5k of volume in the last 24 hours.
Open MLS markets, by volume
| Market | Venue | Yes | 24h volume | Closes |
|---|---|---|---|---|
| Will Vancouver Whitecaps FC win on 2026-07-16? | polymarket | 42¢ | $1k | 10-07 00:30 UTC |
| Chicago Fire FC vs. Vancouver Whitecaps FC: Both Teams to Score | polymarket | 67¢ | $1k | 10-07 00:30 UTC |
| Chicago Fire FC vs. Vancouver Whitecaps FC: O/U 3.5 | polymarket | 44¢ | $878 | 10-07 00:30 UTC |
| Chicago Fire vs Vancouver — Chicago Fire | kalshi | 35¢ | $395 | 10-07 03:30 UTC |
| Chicago Fire vs Vancouver — Vancouver | kalshi | 42¢ | $286 | 10-07 03:30 UTC |
| Chicago Fire vs Vancouver — Tie | kalshi | 25¢ | $171 | 10-07 03:30 UTC |
| New England vs Seattle — Seattle | kalshi | 26¢ | $149 | 10-11 02:30 UTC |
| Austin vs Nashville — Austin | kalshi | 23¢ | $145 | 10-11 03:30 UTC |
| Miami vs DC United — Miami | kalshi | 73¢ | $135 | 10-11 02:30 UTC |
| Austin vs Nashville — Nashville | kalshi | 53¢ | $115 | 10-11 03:30 UTC |
| Minnesota vs Houston — Houston | kalshi | 28¢ | $102 | 10-11 03:30 UTC |
| Philadelphia vs Salt Lake — Philadelphia | kalshi | 69¢ | $93 | 10-11 02:30 UTC |
| New England vs Seattle — New England | kalshi | 52¢ | $74 | 10-11 02:30 UTC |
| Orlando vs Columbus — Columbus | kalshi | 31¢ | $47 | 10-11 02:30 UTC |
| Saint Louis vs Los Angeles G — Los Angeles G | kalshi | 22¢ | $37 | 10-12 02:00 UTC |
| New England vs Seattle — Tie | kalshi | 24¢ | $25 | 10-11 02:30 UTC |
| New York RB vs San Diego FC — New York RB | kalshi | 36¢ | $25 | 10-11 02:30 UTC |
| Toronto vs Montreal — Montreal | kalshi | 27¢ | $23 | 10-10 20:00 UTC |
| Los Angeles F vs Vancouver — Vancouver | kalshi | 38¢ | $20 | 10-11 05:30 UTC |
| Toronto vs Montreal — Tie | kalshi | 25¢ | $15 | 10-10 20:00 UTC |
The 20 most active of 62, by 24h volume across both venues, refreshed every few minutes. A market listed on only one venue has no cross-venue price to compare against — which is true of most of them.
What two venues' prices are worth
A gap between Kalshi and Polymarket on the same MLS market is usually fees, depth, or two contracts that settle differently — not free money. The arbitrage guide shows today's gaps before and after fees, and the fee page shows why the cost peaks near 50¢.
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