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

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Active sub-markets

Market context

Yuneisy Duben, a Cuban flyweight competing in the UFC's preliminary card, faces Jeisla Chaves on 6 June 2026 at UFC Fight Night: Muhammad vs. Bonfim. The bout is scheduled for the early prelims, meaning it will air before the main card and carries lower visibility than headliner matchups. Resolution hinges on official UFC scorecards; a draw, technical draw, no contest, or cancellation beyond 20 June triggers a 50-50 split.

The 0% implied probability reflects minimal trading activity rather than certainty of outcome. Preliminary flyweight bouts typically attract shallow liquidity pools on prediction markets, particularly when neither fighter commands significant name recognition outside dedicated MMA circles. Historical patterns show that low-traction markets often remain dormant until closer to event date, when casual bettors and sharper traders deposit funds to capitalise on mispriced matchups. Duben's record and recent form relative to Chaves' trajectory would normally anchor probability estimates, but absence of trading volume suggests neither fighter's backing has materialised yet.

Traders monitoring this market should track UFC injury announcements and weight-cut confirmations in the week preceding the event. Preliminary card changes occur frequently, and fighter withdrawals can shift market dynamics rapidly. Deposit friction remains material: traders using SEPA transfers or Klarna may face settlement delays that compress their decision window. USDC on-ramp availability could accelerate late liquidity if either fighter gains media attention or if sharper syndicates identify value and move capital efficiently.

Methodology

This page reviews UFC Fight Night: Yuneisy Duben vs. Jeisla Chaves (Women's 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 Polymarket Deposit UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Deposit UK, 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.

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 Polymarket Deposit UK?

Zero. Polymarket Deposit UK 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.

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.