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

Platform comparison

Active sub-markets

Market context

Polymarket is pricing Jesus Aguilar v Rei Tsuruya at 50% YES on the on-chain contract, so the market is effectively split while USDC is locked into conditional tokens on Polygon. That midpoint suggests traders see the flyweight prelim as close to a coin flip rather than a clear mismatch, even though external books have tended to install Tsuruya as the favourite. For Polymarket users, the settlement still turns entirely on the UFC’s official result: if either man is announced the winner, the corresponding side resolves, while a draw, no contest, cancellation or postponement beyond the deadline lands the market at 50-50.

Comparable UFC flyweight markets often stay tight when the favourite is unproven at the highest level or when the underdog brings a live submission threat, because one takedown chain or scrappy clinch round can swing three rounds on the judges’ cards. Preview coverage has already pointed to Tsuruya’s wrestling and top control as the clearest route, while other write-ups note Aguilar’s pace and submission attempts as a way to keep the fight competitive. That combination usually leaves room for late money to move the line once line-ups are confirmed and weigh-ins are clear.

The main catalysts to watch are the official bout sheet, weigh-in results, and any late card changes around UFC Fight Night: Song vs Figueiredo in Macau. Sofascore currently lists the fight for 30 May 2026 on the prelims, and bookmakers have already posted Tsuruya around the -300 range against Aguilar near +246, which gives a useful reference point if the on-chain price drifts after market-moving news. Any change to the bout’s status, especially a short-notice cancellation or rebooking, matters more here than in many other markets because Polymarket resolution depends strictly on the UFC’s final official call.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track UFC Fight Night: Jesus Aguilar vs. Rei Tsuruya (Flyweight, Prelims) on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 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.