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Will 9 Fed rate cuts happen in 2026?
24h Vol
$43.8K
Liquidity
$194.6K
Spread
0%
12/31/2026
View marketFinance
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for OpenAI IPO closing market cap above $1.6T?. The market currently shows a live probability of 29%, $378.1 in 24h volume, and $2.3K in liquidity.
Probability
29%
24h Volume
$378.1
Liquidity
$2.3K
This market asks whether OpenAI’s first public market valuation at the close of its debut trading day will exceed $1.6 trillion. It is a simple but unusually high bar: the answer depends on both the IPO share price and how many shares are outstanding at the official close. The outcome matters because it compares one of the most closely watched AI companies against a threshold usually associated with the world’s biggest public corporations.
The event is OpenAI’s initial public offering, if and when it happens, and the specific question is whether the company’s closing market capitalization on its first trading day is above $1.6T. The market rules define market cap as outstanding shares multiplied by the closing share price on that first day, and they say the result will be based on the primary exchange’s official listing page or another reliable source if needed. If OpenAI does not go public by December 31, 2027 at 11:59 PM ET, this market resolves to No.
There is real uncertainty here because an IPO valuation depends on both investor demand and the final share count used in the listing, and those details are usually not fixed until the offering is priced and trading begins. OpenAI is a major name in artificial intelligence, so its debut would likely be judged not just as a financing event but as a signal about how public markets value AI growth. The disagreement in this market is essentially about whether the company can clear a $1.6T closing valuation on day one, or whether the debut lands below that level.
The biggest drivers will be signals about whether an IPO is actually moving forward, the expected valuation range, and any official filing or exchange listing details that clarify share count and pricing. If the company announces a structure that implies a smaller or larger float, that can matter just as much as the headline valuation because this market keys off closing market capitalization. Once trading begins, the official closing price on the first day will be the decisive input unless there is an interruption, in which case the rules point to the abbreviated-session close or the next official close.
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24h Vol
$43.8K
Liquidity
$194.6K
Spread
0%
12/31/2026
View marketThe current market price implies roughly a 29% chance for the leading outcome, based on live Polymarket pricing. That number is not a prediction from PredictionNinja and it is not a guarantee; it is the current crowd-priced view of the market and can change quickly when new information appears.
Readers should watch for an actual IPO announcement, any prospectus or exchange listing information, and especially the official first-day closing price and share count used to calculate market cap. The rules prioritize the primary exchange’s official listing page, so that is the source of truth if it displays the relevant figure; otherwise another reliable source may be used. Also check the deadline carefully: if no IPO happens by the end of 2027, the market resolves to No regardless of how high expectations may have been before then.
Track live probability, outcome prices, volume, liquidity, and resolution details for OpenAI IPO closing market cap above $1.6T?. The market currently shows a live probability of 29%, $378.1 in 24h volume, and $2.3K in liquidity.
Track live finance prediction markets focused on interest rates, inflation, stock market events, central bank decisions, and global financial forecasting trends.
Yes
29%
No
71%
This market is currently listed with an end date of Dec 31, 2027. Market timelines can change if the underlying event is postponed, rescheduled, or resolved early.
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.
Probability signal
The current price implies a lower-probability outcome, which can make the market more sensitive to surprise news.
Liquidity context
Liquidity is present but not especially deep, so spreads and order-book movement still matter.
Spread
The bid-ask spread is wider, so the headline probability may be less precise than it looks.
Recent movement
The 24h move is modest, suggesting the market has not repriced dramatically in the latest feed.
The current displayed probability is 29%, based on the latest normalized Polymarket data available to PredictionNinja.
The rules and resolution criteria are pulled from the market description provided by Polymarket when available.
Prediction markets can move whenever traders react to new information, liquidity changes, injuries, announcements, news, or other event-specific developments.
No. PredictionNinja displays market data and context for research only. It is not financial, legal, betting, or investment advice.

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