UFC Fight Night: Melissa Mullins vs. Bia Mesquita (Women's Bantamweight, Prelims)

Platform comparison

Active sub-markets

Market context

Polymarket has this contract at **0% YES** right now, so the market is effectively pricing no expectation of a settled winner for Melissa Mullins at this moment. On Polymarket, the outcome will be handled through USDC on Polygon via conditional tokens, so the eventual official UFC result is what matters for settlement rather than any unofficial scorecard chatter.

The clearest comparison case is the pre-fight pricing set by conventional MMA markets: DraftKings had Bia Mesquita a heavy **-600** favourite and Melissa Mullins a **+440** outsider, which is consistent with the broad market view that Mesquita’s grappling edge is the key variable.[1] Tapology also lists the bout for UFC Fight Night: Kape vs. Horiguchi at the UFC Apex, and the promotion itself has previewed Mesquita’s return in the context of this weekend’s bantamweight booking.[3][9] For Polymarket users, a 0% YES line against that backdrop usually reflects thin liquidity, timing risk, or a contract that has not yet moved with the wider fight market, rather than a strong view that Mullins is unlikely to win.

The main catalysts now are simple: the fight must actually go ahead, and the UFC must post an official winner before the settlement window closes. Kalshi’s parallel event notes that fight markets remain sensitive to postponements, cancellations, draws, and no contests, and those are the same practical dependencies traders on Polymarket need to watch here.[2] If the bout is altered, delayed beyond the window, or ruled a no contest, the contract may not pay out on a straight Mullins-versus-Mesquita basis, so late schedule changes from the UFC matter as much as the cage result itself.[2][3]

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legit?, 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.

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, Polymarket Legit? triggers a quick verification flow that finishes in minutes.