Yan Hits 61% to Retain UFC Bantamweight Title Before Dvalishvili 3

Petr Yan holds the UFC Bantamweight title and prediction markets give him a 61% chance of still holding it on December 31, 2026, with the October 24 rematch against Merab Dvalishvili at UFC 331 as the fight that effectively decides the outcome. Yan reclaimed the belt by defeating Dvalishvili via unanimous decision at UFC 323 in December 2025. The two now meet again in a rubber match with championship stakes.

Prediction markets on Kalshi and Polymarket currently price Yan at 61% to still hold the belt on December 31, 2026. That number has risen 8 percentage points in just three days, climbing from 53% to its current level. The period low sits at 51%, meaning Yan's implied probability has gained 10 percentage points from its floor.

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Petr Yan

Consensus YES price across 2 venues

61%average

KalshiBest YES price61¢Polymarket65¢

Merab Dvalishvili

Consensus YES price across 2 venues

35%average

PolymarketBest YES price37¢Kalshi39¢

Song Yadong

Consensus YES price across 2 venues

4%average

PolymarketBest YES price3.6¢Kalshi5¢

Sean O'Malley

Consensus YES price across 2 venues

1%average

PolymarketBest YES price0.9¢Kalshi2¢

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The pattern is worth pausing on: the market is becoming more confident in Yan precisely as the fight that could end his reign draws closer. That is not irrational. It is the market signaling something specific about how forecasters view the Dvalishvili rematch.

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The Dvalishvili Rematch at UFC 331 Is the Fight That Defines Yan's 2026

UFC 331 on October 24 is not a mid-year title defense with time to recover from a loss. It is the last major bantamweight championship bout scheduled before the market's December 31 resolution date. If Yan loses, the math collapses: he would need to secure an immediate rematch, win it, and do so within roughly two months. The UFC's scheduling realities make that functionally impossible.

This is the third meeting between the two fighters. Yan won their first encounter at UFC 267, then reclaimed the title in the December 2025 rematch with a performance that neutralized Dvalishvili's relentless wrestling pressure. Yan landed the cleaner strikes, controlled distance, and earned a clear decision on all three scorecards.

That Dvalishvili received an immediate third fight despite losing convincingly speaks to the division's depth problem. No other contender combines his ranking, recent activity, and claim to a title shot. Search data reflects this: queries for "merab vs yan 3 odds" and "yan vs merab 3 odds" are generating dozens of impressions, confirming that bettors understand this bout is the entire ballgame.

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Why the Year-End Market Leans Yan Despite a Competitive Matchup

A 61% year-end probability does not mean forecasters think this fight is a foregone conclusion. It means something more specific: bettors believe Yan is a solid favorite in the October bout and are pricing the year-end market accordingly.

The logic works as follows. If Yan has roughly a 65% chance of winning the fight itself, and there is minimal risk of an unscheduled title defense or injury stripping him of the belt between October 25 and December 31, then a 61% year-end price makes structural sense. The market is essentially a proxy for the fight-level odds, discounted slightly for tail risks like injury, a surprise interim title, or a last-minute opponent change.

Kalshi prices Yan at 60%. Polymarket has him at 62%. The 2-point spread across platforms is tight enough to indicate genuine consensus rather than one venue's liquidity driving the number. Both platforms agree: Yan is favored, but not overwhelmingly so.

The 8-point move over three days likely reflects the market digesting the fight's official promotional push and training camp signals, though no single confirmed catalyst explains the timing precisely. What is clear is that money is flowing toward Yan, and the direction has been consistent since the probability touched its period low of 51%.

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The Case Against Yan: Dvalishvili's Path to an Upset

The strongest argument against a 61% price starts with Dvalishvili's style. He is one of the most physically relentless grapplers in UFC history. His output, measured by control time and takedown attempts per round, has historically exhausted opponents over five rounds. The December 2025 fight showed Yan solving that puzzle, but one performance does not permanently close the book on a fighter who built his career on suffocating pressure.

Dvalishvili also adjusts. After losing the first bout at UFC 267, he went on a winning streak that earned him the title. The version of Dvalishvili who enters UFC 331 will have had nearly ten months to study the December loss and retool his approach. If he commits to a more strike-heavy gameplan or finds a way to chain takedowns earlier in rounds, the fight dynamic shifts.

There is also the simple variance of combat sports. A single punch, an accidental clash of heads, a slipped takedown landing in the wrong position: the sport rewards favorites at a lower rate than almost any other discipline bettors wager on. Pricing Yan at 61% leaves 39% for every scenario where Dvalishvili lifts the belt on October 24 and walks into December as champion.

Bettors searching "petr yan vs umar nurmagomedov" are flagging a longer-term wildcard. If a rising contender like Nurmagomedov enters the title picture before year-end through a late booking, the market could fragment further, though that scenario remains speculative.

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What Happens Next: Resolution Mechanics and the October Trigger

The market resolves on December 31, 2026. That makes the October 24 fight at UFC 331 the practical resolution event. Barring an extraordinary circumstance (title stripping, injury withdrawal, or an emergency interim title bout), whoever holds the belt after UFC 331 will still hold it on New Year's Eve.

For bettors considering a position, the calculus is binary. If you believe Yan wins the rematch, 61% is a buy. If you believe Dvalishvili's adjustments will be enough to reclaim the title, the implied 39% on the other side of this trade is where the value sits.

You can track live movement on the UFC Bantamweight champion year-end odds page. The price will likely remain range-bound until fight week, when training camp reports, weigh-in footage, and late money from sharp bettors compress the remaining uncertainty into a final number. October 24 settles everything.