UFC Fight Night: Manoel Sousa vs. Richie Miranda (Lightweight, Prelims)

Platform comparison

Market context

Manoel Sousa and Richie Miranda are scheduled to meet in a lightweight prelim at UFC Fight Night, and the market settles on the official UFC result: Sousa if he is announced the winner, Miranda if he is announced the winner, or 50-50 if the bout ends as a draw, no contest, cancellation, or a postponement beyond the market’s deadline.[15] In prediction-market terms, a **YES share** pays out if the event happens as described, while a **NO share** pays if it does not; here, the current crowd-implied probability at **100% YES** means the market is pricing in complete certainty that the Sousa win condition will be met.

That pricing needs context. Sousa is generally described in previews as the established UFC side, while Miranda is framed as the newer entrant with a strong regional record, which is the kind of matchup where markets usually swing early if one fighter is viewed as the safer, more proven option.[1][3][7] Comparable previews also lean Sousa on the basis of experience and finishing ability, although the exact win method varies, showing that a market can be confident on the winner without being certain on how the bout ends.[1][10] Reports across fight pages and betting write-ups also place both men in a scheduled three-round prelim, which matters because a change in bout status can shift settlement from a win/loss outcome to 50-50.[4][11][13]

For traders, the key catalysts are simple: official UFC weigh-in confirmation, any last-minute card reshuffles, and whether the bout is still listed on the live prelim slate before the cage walk.[4][11][15] If the fight is scratched, moved, or ruled a no contest, the market no longer resolves to either fighter and instead falls back to the special 50-50 rule in the description.[15] Since the resolution source is the UFC itself, post-fight announcements and the official result sheet are the decisive inputs, not media scorecards or social posts.[15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews UFC Fight Night: Manoel Sousa vs. Richie Miranda (Lightweight, Prelims) across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Market UK, which mirrors the Polymarket order book at 0% fees.

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.

UK Frequently Asked Questions

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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.

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