UFC Fight Night: Yuneisy Duben vs. Jeisla Chaves (Women's Flyweight, Prelims)

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Market context

Yuneisy Duben faces Jeisla Chaves in a women's flyweight preliminary bout at UFC Fight Night: Muhammad vs. Bonfim on 6 June 2026. The 0% implied probability reflects minimal market activity rather than established consensus on either fighter's prospects. With the event roughly four months away, typical pre-fight trading patterns suggest liquidity and pricing will shift materially once official weigh-in confirmations and final fight card announcements occur closer to the date.

Preliminary bouts in UFC Fight Night cards historically attract lighter betting volumes than main card fights, which partly explains the current null pricing. Both fighters' recent performance records and head-to-head stylistic matchups will become clearer as fight week approaches. Duben's record and fighting style relative to Chaves's technical approach will likely drive directional movement once detailed scouting information circulates among active traders. The flyweight division remains relatively shallow in terms of mainstream recognition, further constraining early-stage market depth.

Traders should monitor official UFC roster updates and any fighter injury announcements through May 2026, as preliminary bouts are occasionally reshuffled or cancelled without advance notice. Weigh-in results on 5 June will provide final confirmation the fight proceeds as scheduled. The settlement window closes 7 June at 03:59:59 UTC, allowing roughly 24 hours post-fight for official UFC scorecards and results to be published. Any cancellation, postponement beyond 20 June, or technical draw ruling triggers the 50-50 resolution condition.

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 Prediction Today, 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

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 Prediction Today?

Zero. Prediction Today 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, Prediction Today 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.