UFC Fight Night: Malcolm Wellmaker vs. Juan Diaz (Bantamweight, Main Card)

Platform comparison

Active sub-markets

Market context

Malcolm Wellmaker and Juan Diaz are scheduled to meet on the UFC Vegas 117 main card in a bantamweight bout, with the market set to resolve on the official UFC result. A 0% YES price is materially below the broader pre-fight read: recent preview coverage from BetMGM had Wellmaker around -300 and Diaz about +240, while noting Wellmaker’s striking volume and home-Apex familiarity against Diaz’s undefeated run and finishing ability. In market terms, this looks like a dispute between a short-priced favourite and a live underdog, rather than a one-sided mismatch, so any late movement would more likely reflect information flow than a structural edge.

For regulatory context, German participants should treat GlüStV as relevant because online sports-event betting can trigger licensing, advertising, and consumer-protection issues, while US-facing participants should note that the CFTC’s reach can matter where an event contract is treated as a derivative rather than a conventional sportsbook wager. The phrase “no-KYC up to $1,500” generally means smaller accounts may be able to access the market without full identity checks, but it does not remove jurisdictional restrictions or reporting obligations where they apply. Traders should watch UFC bout-sheet confirmations, weigh-in results, and any late card reshuffles before the settlement window closes; if the bout is moved, cancelled, or ruled no contest, the outcome reverts to 50-50 under the market rules.

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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 PolyGram, which mirrors the Polymarket order book directly.

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 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.

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 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.

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.