Philadelphia Phillies vs. New York Mets odds, Sep 18: Kalshi vs Polymarket
Philadelphia Phillies 52% on Kalshi, 51% on Polymarket. Both exchanges' prices for every outcome of Philadelphia Phillies vs. New York Mets, Sep 18, $787 traded in 24 hours, updated every 45 seconds.
Fri, Sep 18, 2026, 7:15 PM ET · MLB games · $787 traded in 24h across both venues
Philadelphia Phillies: Kalshi 52¢ vs Polymarket 51¢, +0.5 pts
Mid prices. A price is the market's probability: 52¢ means 52%. The gap is Kalshi minus Polymarket, in points.
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Philadelphia Phillies | 50¢ / 53¢ | 50¢ / 52¢ | +0.5 pts |
| New York Mets | 47¢ / 49¢ | 48¢ / 50¢ | -1.0 pts |
Price history, last 3 days
How this is matched
Games are matched across the two exchanges by league, team codes and date. Polymarket prices come from its live order book, Kalshi from its public API. Refreshed every 45 seconds.
What this is not
Read-only. Nothing here places or routes orders and nothing is advice. Fees, slippage and the time it takes to move money between venues are not in these numbers.