Who will win the Cody Durden vs. Alessandro Costa flyweight fight?

Prediction markets and sportsbooks price outcomes using different mechanisms. Sportsbooks set odds based on their own models and risk management, then adjust them to balance action on both sides. Prediction markets like this one rely on continuous trading among participants, where prices emerge from collective belief rather than a centralized oddsmaker. This market's odds reflect what traders are willing to pay right now, which can diverge from traditional sportsbook lines depending on information flow, trader composition, and liquidity conditions at any given moment.

On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability for the top outcome reflects the latest trades, with prices adjusting continuously as new orders flow in. Shares that traders believe are underpriced attract buyers, pushing the price up, while overpriced shares see selling pressure. This dynamic pricing mechanism means the odds you see represent real-time consensus among active participants rather than a static bookmaker quote.

This market resolves around Jul 12, 2026, once the event concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official fight result as reported by the UFC and major sports media. Until that point, traders can continue to buy and sell shares as new information emerges, odds shift, and fight day approaches. Resolution happens automatically once the event is finalized and the platform confirms the winning outcome.

Several factors could shift trader sentiment and prices before the bout concludes. Fighter news—such as injury reports, training camp updates, or recent performance footage—often triggers significant moves. Weigh-in results and official fighter statements can influence confidence in specific outcomes. As fight day nears, late-breaking developments like corner changes or unexpected withdrawals may cause sharp repricing. Additionally, if comparable recent fights produce surprising results or if betting patterns at traditional sportsbooks shift dramatically, prediction market traders may adjust their positions accordingly.