OpenAI released GPT-5.5, and the Polymarket contract for GPT-5.5 release by June 30 is now at
The market had been sitting around 95% before the release. Now all resolution dates have locked at certainty. The April 30 and April 23 markets are also at
Combined 24-hour USDC volume hit $342,392. The April 23 market saw a 25-point spike yesterday at 11:36 AM (61% → 86%). With prices at certainty, there’s no room for further movement.
Traders who bought YES shares at lower prices now have a guaranteed payout. The release followed earlier signals from OpenAI insiders and benchmark leaks, and there are no remaining speculative gains in these contracts.
Related AI prediction markets could still move on new model performance rankings or competitive releases from Anthropic or DeepMind.
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