OpenAI IPO Closing Market Cap
Prediction market tracked on Prediction Pantheon in the Financials category with $2.4M traded.
Expected settlement: 2027-01-01.
Buy prices at last build
- No IPO by December 31, 2026: Polymarket 96¢
Prices are buy prices on each platform when this page was built; open the page in a browser for live prices.
Settlement rules
Polymarket: This market will resolve based on OpenAI's market capitalization at the closing price on its first day of trading. If no IPO occurs by December 31, 2026, 11:59 PM ET, the market will resolve to "No IPO by December 31, 2026". Market capitalization expresses the monetary value of a company’s outstanding shares, stated in its pricing currency. It is calculated as the number of shares outstanding multiplied by the closing share price on the first trading day. If the relevant value falls exactly between two brackets, then this market will resolve to the higher range bracket. Resolution will be based on the primary exchange’s official listing page. In the event that the relevant figure is not dis…