Resolution criteria on PolyGram: This market will resolve according to the official UFC Middleweight division champion on December 31, 2026 at 12:00 PM ET. Only official UFC division champions will count. Interim champions will not count. If the relevant belt is vacant at this market’s check time, or there is otherwise no champion in the specified division, this market will resolve to “Other”. The primary resolution source for this market will be official information from the UFC (https://www.ufc.com/athletes).
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
| Nassourdine Imavov | 30% YES | 70% NO |
| Fighter A | — | |
| Fighter C | — | |
| Sean Strickland | 46% YES | 54% NO |
| Brendan Allen | 1% YES | 99% NO |
| Israel Adesanya | 2% YES | 98% NO |
| Fighter B | — | |
| Other | — | |
The UFC Middleweight championship will be held by a single fighter on 31 December 2026. The current champion, Dricus du Plessis, claimed the title in September 2024 after defeating Sean Strickland. The 29% implied probability on Polymarket's order book reflects meaningful uncertainty about whether du Plessis retains the belt across a two-year window, with traders pricing in the realistic possibility of title changes through scheduled defences or unexpected circumstances.
Middleweight title reigns have historically lasted between one and four years in the modern UFC era. Fighters like Israel Adesanya and Robert Whittaker held the belt for extended periods, whilst others lost it within months of winning. The current 29% probability suggests the market views du Pleslis as a moderately strong favourite to remain champion but acknowledges substantial risk from challengers. This probability formation reflects both his recent victory and the inherent volatility of combat sports over a 24-month horizon.
Key catalysts include du Plessis's scheduled title defences, injury announcements, and the emergence of contenders within the middleweight rankings. Recent reports from MMA media outlets indicate the UFC is building towards significant matchups in the division for 2025 and 2026. Traders should monitor official UFC scheduling announcements, fighter health updates, and ranking shifts that could alter the competitive landscape. The settlement hinges strictly on official UFC records; interim champions do not count, and a vacant belt would resolve the market to "Other".
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
The mechanics for trading "Who will be UFC Middleweight champion at the end of 2026?" are the same as any other PolyGram 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.
$438K in lifetime turnover and $19K of resting liquidity puts this market in the top 10% by volume for ufc contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $7K in turnover, consistent with the market's lifetime daily-average pace.
The market has been open for 4 months — the price has had time to stabilise as new information arrived.
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 handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 31 December 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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