UFC Fight Night: Brendan Allen vs. Christian Leroy Duncan (Middleweight, Main Card) odds, Oct 10: Kalshi vs Polymarket
Brendan Allen 53% on Kalshi, 55% on Polymarket. Both exchanges' prices for every outcome of UFC Fight Night: Brendan Allen vs. Christian Leroy Duncan (Middleweight, Main Card), Oct 10, $3k traded in 24 hours, updated every 45 seconds.
Sat, Oct 10, 2026, 10:30 PM ET · UFC fights · $3k traded in 24h across both venues
Brendan Allen: Kalshi $0.53 vs Polymarket $0.55, −$0.02
Mid prices, in dollars on a contract that pays $1 if it happens: $0.53 is a 53% chance. The gap is Kalshi minus Polymarket.
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, + = Kalshi higher |
|---|---|---|---|
| Brendan Allen | $0.50 / $0.56 | $0.54 / $0.55 | −$0.02 |
| Christian Leroy Duncan | $0.45 / $0.47 | $0.45 / $0.46 | $0.00 |
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.