Dolphins vs. 49ers odds: Kalshi vs Polymarket
Sun, Sep 20, 2026, 4:25 PM ET · NFL games · $879 traded in 24h across both venues.
49ers: Kalshi 84¢ vs Polymarket 82¢, +1.5 pp
Mid prices. A price is the market's probability: 84¢ means 84%. The gap is Kalshi minus Polymarket in percentage points.
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
-9.41¢ per $1, after fees
Buy 49ers @ Polymarket 91¢, Dolphins @ Kalshi 17¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| 49ers | 83¢ / 84¢ | 73¢ / 91¢ | +1.5 pp |
| Dolphins | 16¢ / 17¢ | 9¢ / 27¢ | -1.5 pp |
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.