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

Platform comparison

Active sub-markets

Market context

The UFC welterweight championship will be held by a single fighter on 31 December 2026. Currently, that champion is Belal Muhammad, who won the undisputed title in August 2024 by defeating Jon Collinsworth. The 1% implied probability reflects the substantial uncertainty inherent in a two-year forecast across a division where injuries, retirements, and unexpected results routinely reshape the landscape. Colby Covington, Kamaru Usman, and Leon Edwards remain active contenders, though none currently hold a clear path to the belt.

Historical championship tenure in the welterweight division provides context for evaluating this probability. Since 2015, the average reign has lasted approximately 18–24 months, with several champions losing their belts within 12 months of winning them. Tyron Woodley, Jorge Masvidal, and Kamaru Usman all experienced relatively brief championship runs. Muhammad's current position suggests he could plausibly retain the title through 2026, but the division's volatility—combined with the extended timeframe—makes retention a genuine long-shot proposition rather than a baseline expectation.

Traders should monitor the UFC's title fight scheduling announcements and injury reports throughout 2025 and 2026. Muhammad's next scheduled defence, expected in early 2025, will be the first critical catalyst; a loss there would immediately eliminate the current champion from this resolution. Across major platforms, Polymarket's fee structure (2% maker, 2% taker) and KYC requirements differ from Kalshi's regulatory framework, whilst Betfair and Smarkets offer decimal odds formats that may appeal to traders accustomed to European bookmakers. The extended settlement window means this market will remain active through year-end 2026, allowing traders to adjust positions as the division evolves.

Methodology

This page compares Who will be UFC Welterweight champion at the end of 2026? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative UK routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative UK, 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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket Alternative UK?

Zero. Polymarket Alternative UK 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.