UFC Fight Night: Jesus Aguilar vs. Rei Tsuruya (Flyweight, Prelims)

Platform comparison

Active sub-markets

Market context

Jesus Aguilar meets Rei Tsuruya in a scheduled flyweight prelim at UFC Fight Night: Song vs Figueiredo in Macau on 30 May. The market is effectively a coin flip at 50% because the bout is booked for three rounds and there is no major public line separation in the available listings, with Tsuruya priced around -300 and Aguilar around +246 on one sportsbook snapshot. For comparison, fights like this often move more on late weight-cut and camp information than on headline odds, especially when one fighter is a sizeable favourite but the market still leaves room for an upset or a decision-heavy split.

For traders, the key catalysts are straightforward: official UFC weigh-ins, any late card shuffles, and whether either fighter’s status changes before the event. Prelims are especially exposed to schedule changes because earlier bouts can be re-ordered or removed if there is a medical issue, and the settlement window here only runs until 31 May. The regulatory context also matters: in Germany, GlüStV rules can affect whether a user can access the market at all, while US-facing activity sits within the CFTC’s broader scrutiny of event contracts. “No-KYC up to $1,500” means some users may access and trade smaller amounts without identity checks, but it does not remove jurisdictional limits, platform controls, or the possibility of enhanced verification once thresholds or compliance triggers are hit.

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Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

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

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, PolyGram triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.