Resolution criteria on PolyGram: This market will resolve to "Sean Strickland" if Sean Strickland is officially declared the winner of the fight against Khamzat Chimaev at UFC 328: Chimaev vs. Strickland, scheduled for May 9, 2026. It will resolve to "Khamzat Chimaev" if Khamzat Chimaev 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 May 23, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| O/U 1.5 Rounds | 63% YES | 38% NO |
| O/U 4.5 Rounds | 32% YES | 68% NO |
| Fight to Go the Distance? | 33% YES | 68% NO |
| Fight won by KO/TKO? | 26% YES | 74% NO |
| Sean Strickland vs. Khamzat Chimaev | 19% YES | 82% NO |
| Strickland to win by KO/TKO? | 10% YES | 90% NO |
| Chimaev to win by KO/TKO? | 19% YES | 81% NO |
| Fight won by submission? | 49% YES | 52% NO |
Sean Strickland faces Khamzat Chimaev in a middleweight bout scheduled for 9 May 2026 at UFC 328. The 62% implied probability favours Strickland, reflecting market assessment of the matchup dynamics. Resolution depends on official UFC declaration of a winner; draws, technical draws, no contests, or cancellations beyond 23 May trigger a 50-50 resolution.
Strickland enters as the betting favourite despite Chimaev's undefeated record and rapid rise through the middleweight ranks. Historical precedent suggests markets often price in fighter experience and proven track record at higher weight classes—Strickland has competed extensively at middleweight whilst Chimaev's middleweight tenure remains relatively recent. Comparable matchups between established middleweight contenders and rising challengers typically reflect caution toward unproven fighters at the division, even when those fighters carry strong credentials from lower weights.
Traders should monitor fighter health and training camp reports through spring 2026, as injuries or camp disruptions frequently alter fight outcomes. The UFC's official fighter statements and weigh-in results on 8 May will provide final confirmation of participation. Any announcement of opponent changes, weight-class adjustments, or event postponement would materially shift market expectations. The settlement window closes shortly after the scheduled fight time, allowing minimal window for dispute resolution once the UFC announces official results.
This market settles from the official outcome published at https://www.ufc.com/events. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "UFC 328: Sean Strickland vs. Khamzat Chimaev (Middleweight, Main Card)" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$2.9M in lifetime turnover and $2.0M of resting liquidity puts this market in the top 2% by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $1.6M in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is sourced from https://www.ufc.com/events. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 10 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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