OpenAI’s GPT-5.5 set for June release, market shows 100% certainty

Newer AI models like GPT-5.4 have a lifespan of just 49 days, and the market for GPT-5.5 release by June 30 sits at 100% YES, pricing in near-certain delivery on that timeline.

Both the June 30 and April 30 markets for the GPT-5.5 release trade at 100% YES. Volume is substantial, with face values of $20,514/day and $31,241/day, respectively.

Sam Altman and Mark Chen from OpenAI have both signaled a faster release cadence. No bearish signals have appeared, with no reported delays or model renaming, which supports the current odds.

At 100% YES, traders get a 1x return buying YES. The market is fully priced, meaning any deviation from expected announcements (such as OpenAI skipping 5.5 and jumping to GPT-6) could create sudden volatility from a level where there’s currently no room for upside.

Watch for official announcements from OpenAI or leaks about changes to the release schedule. Any hint of a renamed model or delayed rollout would be the first real test of this market’s certainty.

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