UFC Fight Night: Bruno Silva vs. Édgar Cháirez (Flyweight, Prelims)

Platform comparison

Active sub-markets

Market context

Bruno Silva, a Brazilian flyweight, faces Édgar Cháirez in a preliminary bout at UFC Fight Night: Muhammad vs. Bonfim on 6 June 2026. The fight is scheduled for 125 pounds and will be scored under standard UFC rules unless circumstances force a technical draw or cancellation. Settlement occurs at 03:59:59 UTC on 7 June, giving roughly 24 hours after the event for official UFC confirmation of the result.

Flyweight preliminary bouts carry inherent execution risk; fighters at this weight class and card position show higher rates of injury withdrawals and late-notice replacements than main-card headliners. Historical UFC data suggests roughly 8–12% of preliminary fights fail to occur as scheduled within the 48-hour window before event time. Silva's record and recent activity level relative to Cháirez will inform whether either fighter carries injury concerns or momentum shifts. Comparable preliminary matchups on Polymarket have settled "50-50" at rates 3–4 times higher than main-event fights, reflecting genuine uncertainty around fight completion.

Traders should monitor UFC official announcements and fighter social media through early June for any withdrawal notices or weight-cut complications. Kalshi's stricter KYC requirements and lower liquidity on niche MMA prelims may leave wider bid-ask spreads than Polymarket or Smarkets, where retail volume on UFC markets tends to concentrate. Betfair's decimal-odds interface and commission structure (5% on winnings) differ from Polymarket's fee model, potentially creating arbitrage opportunities if one platform prices the "50-50" outcome materially higher than others ahead of the settlement window.

Methodology

We read UFC Fight Night: Bruno Silva vs. Édgar Cháirez (Flyweight, Prelims) from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative, 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?

Polymarket Alternative 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'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 Alternative?

Zero. Polymarket Alternative 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.