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

How the prediction-market book is pricing "UFC Fight Night: Jesus Aguilar vs. Rei Tsuruya (Flyweight, Prelims)" right now, with a side-by-side platform comparison and zero-fee CTAs.

50% YES 50% NO Volume: $150K Liquidity: $236K Closes: 31 May 2026
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Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
PolyGram Pick
polygram.ink
50% 50% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on PolyGram →
Polymarket
polymarket.com
50% 50% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on PolyGram →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on PolyGram →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on PolyGram →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on PolyGram →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.

Active sub-markets

Market context

Polymarket is pricing Jesus Aguilar v Rei Tsuruya at 49% YES, so the contract is close to a coin flip on USDC collateralised, Polygon-settled conditional tokens rather than a read on hype alone. That level usually implies traders see a live split between Aguilar’s more established UFC resume and Tsuruya’s upside as the younger, 10-1 flyweight. With settlement tied to the UFC’s official result, the market will move on who is announced as the winner, not on scorecard narratives or outside commentary.

On paper, Aguilar brings the more proven record, listed at 12-4 by fight databases, while Tsuruya is 10-1 and already attached to this Macau prelim. Comparable UFC flyweight markets with a modest favourite often tighten when the shorter-priced fighter has stronger grappling or pace, because one takedown-heavy round can swing a fight. That helps explain why a near-50/50 price is plausible here: the market is balancing durability, activity, and the risk of a low-margin decision in a three-round prelim.

The main catalysts are straightforward. Any official UFC fight card update, weigh-in result, late injury news, or bout order change can reprice the contract quickly, especially if the fight is moved off the prelims or altered by a miss on weight. The market also has a built-in fallback: if the bout is cancelled, postponed beyond 13 June, or ruled no contest, it settles 50-50. The key source remains the UFC’s official announcement at fight week, with ESPN and major MMA result trackers mainly useful for confirming card status and timing.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

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.

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