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

Platform comparison

Active sub-markets

Market context

The key change in the last 24–48 hours is that UFC’s own athlete page still lists **Petr Yan** as bantamweight champion, so the market’s 33% implied chance is pricing in a live title outcome rather than a vacancy or interim-belt scenario.[7] That matters because the market settles on the official champion at the end-December check time, and only a recognised UFC titleholder counts; if the belt is vacant, the result is **Other**.[7]

The present read should be anchored to the division’s recent volatility: UFC’s 2026 bantamweight preview frames Yan, Merab Dvalishvili, Umar Nurmagomedov, Sean O’Malley, Song Yadong and Cory Sandhagen as the central names, which is the sort of crowded title picture that can move probabilities quickly with one booked fight or injury.[2] Predictionhunt’s aggregation also shows a split field rather than a runaway favourite, with Yan, Dvalishvili and Sandhagen all sitting in a meaningful range, which is consistent with a belt that has recently changed hands and may not stay static through year-end.[1]

For traders, the main catalysts are UFC title-fight announcements, opponent changes, and any injury or weight-cut news that affects whether Yan defends before 31 December. The immediate dependency is the UFC schedule itself: if the promotion books a bantamweight title defence in the autumn, the market will usually reprice around that matchup; if not, the risk rises that the year ends with the same champion simply by default.[2][7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Prediction Today, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Prediction Today is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on Prediction Today?

Zero. Prediction Today routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Today triggers a quick verification flow that finishes in minutes.