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ARBITRAGE_ACTIVE // SPREAD: 49.0% // +$4900.00

Live prediction market odds for Who will be UFC Middleweight champion at the end of 2026?. Compare prices across Kalshi and Polymarket.

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Kalshi / Polymarket

Who will be UFC Middleweight champion at the end of 2026?

2026-12-31

About This Market

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Prediction markets on Polymarket and Kalshi are tracking who will be the UFC Middleweight champion at the end of 2026. This event is pivotal as it reflects the evolving dynamics of fighter performance, match outcomes, and potential title fights leading up to the championship date.

Sean Strickland leads the “Who will be UFC Middleweight champion at the end of 2026” event at 54.9% implied probability. Other contenders include Israel Adesanya (25.5%), Nassourdine Imavov (21.3%), Khamzat Chimaev (14.5%), and Reinier de Ridder (5.5%). A 49.0% cross-platform spread signals an active arbitrage window.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

2 platforms
SS
Sean Strickland
55% Avg
Kalshi68¢
Polymarket58¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
59.5%51¢68¢32¢49¢
PolymarketPolymarket
50.5%43¢58¢42¢57¢
IA
Israel AdesanyaARB
25% Avg
Kalshi1¢
Polymarket80¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
0.5%0¢1¢99¢100¢
PolymarketPolymarket
50.0%20¢80¢20¢80¢
NI
Nassourdine Imavov
21% Avg
Kalshi23¢
Polymarket25¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
20.5%18¢23¢77¢82¢
PolymarketPolymarket
22.0%19¢25¢75¢81¢
KC
Khamzat Chimaev
15% Avg
Kalshi16¢
Polymarket23¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
12.5%9¢16¢84¢91¢
PolymarketPolymarket
18.0%13¢23¢77¢87¢
RD
Reinier de RidderARB
8% Avg
Kalshi1¢
Polymarket20¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
0.5%0¢1¢99¢100¢
PolymarketPolymarket
15.0%10¢20¢80¢90¢

Candidate Spotlight

About Sean Strickland

Sean Strickland is a professional mixed martial artist competing in the UFC's Middleweight division. He won the UFC Middleweight Championship by defeating Israel Adesanya in September 2023. Strickland is scheduled to face Khamzat Chimaev for the Middleweight title at UFC 328 on May 9, 2026.

About Nassourdine Imavov

Nassourdine Imavov is a French professional mixed martial artist competing in the UFC's Middleweight division. He has secured notable victories over Israel Adesanya and Caio Borralho, positioning himself as a top contender. Imavov's recent performances make him a strong candidate for the UFC Middleweight championship by the end of 2026.

About Khamzat Chimaev

Khamzat Chimaev is the current UFC Middleweight Champion, holding an undefeated record of 15-0. He won the title in August 2025 by defeating Dricus Du Plessis via unanimous decision at UFC 319. Chimaev is scheduled to defend his title against Sean Strickland at UFC 328 on May 9, 2026, in Newark, New Jersey.

Frequently Asked Questions

What factors influence the odds for the UFC Middleweight champion market?

Odds are influenced by fighter performance in matches, injuries, and the outcomes of title fights. Additionally, public sentiment and expert analysis can sway market perceptions.

How often do the odds change for this championship market?

Odds can fluctuate frequently, especially after major fights or announcements regarding fighters' health and training. Real-time updates reflect the latest developments in the UFC landscape.

What is the significance of the UFC Middleweight championship?

The UFC Middleweight championship represents the pinnacle of achievement in the division, showcasing the best fighters. Winning the title can greatly enhance a fighter's career and marketability.

What is "Who will be UFC Middleweight champion at the end of 2026?" and why does it matter?

Who will be UFC Middleweight champion at the end of 2026 is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Sean Strickland leads at 55% implied probability, making it the market favorite. Other contenders include Israel Adesanya at 26%, Nassourdine Imavov at 21%, Khamzat Chimaev at 15%.

What is moving the odds on "Who will be UFC Middleweight champion at the end of 2026?"?

Sean Strickland currently leads at 55% implied probability. Behind Sean Strickland, Israel Adesanya at 26% and Nassourdine Imavov at 21% and Khamzat Chimaev at 15% are the next closest contenders. The 49.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.

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Resolution Oracles

KalshiKalshi
ESPN
PolymarketPolymarket
UMA Optimistic Oracleufc.com
Read Full Market Rulebooks
Stats
Spread49.0%
Platforms2
Candidates7

Market Rulebook: Who will be UFC Middleweight champion at the end of 2026?

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.

KalshiKalshi
Primary Rule

If Nassourdine Imavov is the UFC Middleweight Title Holder on Dec 31, 2026 at 12:00 PM ET, then the market resolves to Yes.

Resolution Oracles
ESPN
PolymarketPolymarket
Primary Rule

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).

Resolution Oracles
UMA Optimistic Oracleufc.com
Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

About Dricus Du Plessis

Dricus du Plessis is the current UFC Middleweight Champion, holding the title since January 2024. He became the first South African to win a UFC championship by defeating Sean Strickland at UFC 297. His dominance in the middleweight division makes him a central figure in discussions about the future of the title.
Leader

Sean Strickland

54.9% avg