Will OpenAI have a #1 AI model by June 30?

The 31¢ price reflects a skeptical market view of OpenAI maintaining the #1 position on Chatbot Arena through June 2026, despite the company's historical dominance in LLM rankings. The extreme Yes-side implied yield of 1,098% signals substantial underpricing relative to the risk, particularly given OpenAI's track record, though the 236% realized volatility and neutral regime suggest genuine uncertainty about competitive dynamics over the 74-day window. With $1.5M in 24-hour volume against $10.1M open interest and a tight 1¢ spread, liquidity is moderate but the market appears efficiently priced for a binary outcome heavily favoring competitors like Claude or other emerging models.

Resolution rules

This market will resolve to "Yes" if the listed company has the highest arena score on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) for any amount of time by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No." Results from the "Arena Score" section on the Leaderboard tab of https://lmarena.ai/ with the style control unchecked will be used to resolve this market. If a listed model ties for #1 Arena score, it will suffice to resolve this market to "Yes." The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source becomes unavailable, the market will remain open until it is accessible again. If it becomes permanently unavailable, resolution will be based on another credible source.

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