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

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Market context

Jesus Aguilar and Rei Tsuruya are scheduled to meet in a flyweight prelim at UFC Fight Night: Song vs Figueiredo on 30 May in Macau, with the official winner to be settled by the UFC result. The market is sitting close to even money at 49% yes, which is broadly consistent with a bout where neither side has a clear public price edge and where short-notice line movement can matter more than name recognition.

In comparable UFC prelim flyweight spots, probability tends to stay tight until weigh-ins and commission checks confirm both men make the limit cleanly. That is especially true where one fighter is being backed by small but active retail flow: deposits can be quick through card rails, but slower fiat funding, bank fees, and withdrawal friction often decide how much depth actually reaches the book. On-ramp differences matter here too; SEPA and Klarna users can add money faster than those relying on card chargebacks or manual bank transfers, while USDC settlement tends to support quicker recycling of stakes.

The main catalysts are official bout-week status updates, the weigh-in result, and whether either camp signals illness, injury, or late travel disruption. UFC Macau fight-week information should be watched closely because any change in the prelim order or cancellation would push the market towards 50-50. Trading interest has also been lifted by the wider UFC Fight Night card in Asian time zones, which can bring fresh funding from users topping up through faster rails overnight rather than waiting for bank settlement.

Sources: 1 · 2 · 3 · 4

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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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 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.

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.