UFC 330: Charles Johnson vs. Jose Ochoa (Flyweight, Main Card)

Platform comparison

Market context

Charles Johnson and Jose Ochoa are scheduled to compete in a flyweight bout on the main card of UFC 330, headlined by Islam Makhachev versus Machado Garry on 15 August 2026. The current prediction market probability sits at 50–50, suggesting genuine uncertainty about the outcome. Both fighters will be competing at 125 pounds in what the UFC has positioned as a significant card, though neither combatant currently ranks in the top-15 flyweight standings.

Flyweight bouts at UFC main-card level historically show modest predictability gaps between sportsbooks and prediction markets. Johnson's record and recent performance trajectory will be critical anchors; fighters with three consecutive wins typically command 55–65% implied probability in comparable matchups, whilst those on two-fight losing streaks often settle near 35–45%. Ochoa's competitive history against ranked or previously ranked opponents provides another reference point. The 50–50 split suggests either relatively balanced records and recent form, or insufficient public information to establish clear favouritism. Sportsbook lines released closer to fight week typically diverge from current prediction-market pricing by 3–7 percentage points, particularly for lower-profile flyweight contests where sharp money remains limited.

Key catalysts include official weigh-in results on 14 August, which may reveal injury concerns or weight-cut complications affecting either fighter's condition. Any fighter withdrawal or replacement would trigger a 50–50 resolution under market rules. Media coverage and analyst consensus from MMA publications will likely emerge in the final two weeks before the event. The settlement window closes 16 August at 03:59:59 UTC, allowing roughly 24 hours post-fight for official UFC confirmation of the result.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, 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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 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.