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

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Market context

Jesus Aguilar is scheduled to face Rei Tsuruya in a flyweight prelim at UFC Fight Night on 30 May 2026 in Macau. In a prediction market, a YES share pays out if Aguilar is officially declared the winner; a NO share pays out if Tsuruya wins. If the bout ends as a draw, no contest, or is otherwise not officially scored, the market resolves 50-50, so the key issue is the UFC result rather than the judges’ margin.

The 50% crowd price suggests a near coin-flip view, which is common in evenly matched flyweights where both men have a live path to win. Aguilar enters listed at 12-4, while Tsuruya is 10-1, and the shape of the market reflects that contrast between experience and recent form. Comparable UFC matchups at this level often move only when one fighter is viewed as having a clear edge in takedowns, cardio, or finishing ability; absent that, the price tends to sit near even and react strongly to late news or weigh-in signals.

For traders, the main catalysts are the official bout status, weigh-in results, and any last-minute card reshuffles from UFC. Agent MMA reported on 18 May that both fighters were deep into fight-week preparation with no reported weight-cut issues, which lowers, but does not remove, the risk of a late change. The bout is on the prelims and depends on the wider UFC Macau schedule remaining intact; if the fight is delayed beyond the market’s cut-off or removed from the card, settlement would follow the market rules rather than pre-fight expectations.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews UFC Fight Night: Jesus Aguilar vs. Rei Tsuruya (Flyweight, Prelims) across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 PolyGram, 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?

PolyGram 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'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 PolyGram?

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

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.