OpenAI has confirmed that GPT-5.5 will be released on April 23, 2026. The current market demand for "GPT-5.5 to be released on June 30, 2026" is...100%Yes, lock in a positive solution.
On April 23, the market surged from 87% to 99.6% over the past 24 hours. Both April 30 and June 30 achieved approval rates of 99.9%. All three markets have effectively been resolved.
Over the past 24 hours, the actual trading volume of USDC across these markets reached $367,795. The contract with the largest single price movement was the April 23 contract, which rose by 25 points. The trading volume for this contract alone reached $279,192.
This release confirms that OpenAI has outpaced Google, Anthropic, and xAI in iteration speed. For traders, the current pricing implies that this news has already been fully reflected. Given OpenAI’s profit potential, there is little upside left in this investment, but on-time delivery could influence how traders price OpenAI’s future release schedule.
Closely monitor competitors' responses to GPT-5.5 features. Strategic announcements from Google, Anthropic, or xAI may impact contracts on Polymarket related to artificial intelligence model releases and benchmarking.