This market will resolve to “Yes” if the official closing price for OpenAI's market capitalization on its first trading day is above the listed value. Otherwise, it will resolve to “No”.
If no IPO occurs by December 31, 2027, 11:59 PM ET, this market will resolve to “No”.
Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day.
Resolution will be based on the primary exchange’s official listing page. In the event that the relevant figure is not displayed, another reliable source will be used.
In the event of an interruption in the course of the normal trading session on OpenAI's first day of trading (e.g., a circuit breaker or half-day), the market will resolve according to the official closing price of the abbreviated session. If no such official closing price is published, the market will resolve according to the next trading day on which an official closing price is published, treating that as the first day of trading.
$1T
$1M Volume
76%
$1.2T
$248.7K Volume
61%
$1.4T
$68.5K Volume
56%
$1.6T
$49.3K Volume
43%
$800B
$107.7K Volume
83%
Odds & FAQ
What are the current odds for OpenAI IPO closing market cap above ___?
$800B leads the field at 83%, with $1T next at 76%. A solid favorite - though every trade can reshuffle the board.
What do traders predict for OpenAI IPO closing market cap above ___?
Traders lean toward $800B, pricing it at 83%. That's conviction with real money behind it - but live forecasts shift, sometimes quickly.
When does the OpenAI IPO closing market cap above ___ market resolve?
The market runs until 31 Dec 2027 (494 days left), then settles according to Polymarket's published resolution rules for this event.
How much money is trading on OpenAI IPO closing market cap above ___?
Total turnover stands at $1.5M. Volume shows conviction: these odds are backed by actual positions, not polls.
How can I trade OpenAI IPO closing market cap above ___ on Polymarket?
Track the live odds on this page, then open the market on Polymarket to take a position. Trade carefully - only stake what you can afford to lose.
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