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UFC 330: Eric McConico vs. Donte Johnson (Middleweight, Early Prelims)

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KalshiPolymarket Closes Aug 16, 2026
LIVE PRICES — YES
KalshiBEST YES PRICETrade ↗
31¢ last
BidAsk
YES31¢32¢
NO68¢69¢
$15,487 volume
PolymarketTrade ↗
35¢ last
BidAsk
YES34¢35¢
NO65¢66¢
$5,942 volume
Cross-venue spread 4.0¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Kalshi and NO on Polymarket — total cost 98¢ per $1 payout, locking +2.0¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Eric McConico wins the Johnson vs McConico professional MMA fight originally scheduled for Aug 15, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

This market will resolve to "Eric McConico" if Eric McConico is officially declared the winner of the fight against Donte Johnson at UFC 330: Makhachev vs. Machado Garry, scheduled for August 15, 2026. It will resolve to "Donte Johnson" if Donte Johnson is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond August 29, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.

Show full rules
STATS
Cross-venue spread4.0¢
Kalshi last31¢
Polymarket last35¢
Venues2
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