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Will Microsoft be the largest company in the world by market cap on June 30?
24h Vol
$538.8K
Liquidity
$260.3K
Spread
0%
6/30/2026
View marketFinance
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Will OpenAI IPO by July 31 2026?. The market currently shows a live probability of 3%, $40.8K in 24h volume, and $21.4K in liquidity.
Probability
3%
24h Volume
$40.8K
Liquidity
$21.4K
This market asks whether OpenAI will complete an initial public offering by July 31, 2026. It is worth watching because OpenAI is one of the most closely followed private technology companies, and an IPO would be a major corporate milestone with broad attention from the AI and finance sectors.
The event is narrowly defined: OpenAI must complete an IPO, meaning it must first sell stock to the public on a recognized exchange, by the listed deadline in July 2026. The market also says that if OpenAI is acquired by another company that is already public, the market resolves to No immediately, so an acquisition outcome is explicitly treated as a non-IPO end state. Resolution depends on official company announcements and credible news sources, with the final call based on a consensus of those reports.
OpenAI is a private company, so a public listing would depend on board, legal, financial, and market conditions that are not fixed in advance. Readers may care because an IPO would change how OpenAI is owned and valued, and because the company sits at the center of the AI sector, where corporate structure can matter as much as product progress. The market is pricing disagreement over whether OpenAI will be ready and willing to go public by the cutoff date, or whether it will remain private, be acquired, or choose another path.
The price can move on official statements from OpenAI about listing plans, fundraising, governance, or timing, especially if the company signals a concrete path toward public markets. It can also move if credible reporting suggests an IPO filing, an underwriting process, a delay, or a strategic transaction that would make a 2026 public offering less likely. Any announcement that OpenAI has been acquired by a public company would be especially important here because the market rules say that outcome resolves to No.
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24h Vol
$538.8K
Liquidity
$260.3K
Spread
0%
6/30/2026
View marketThe current market price implies roughly a 3% 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.
Before the deadline, the key things to verify are whether OpenAI has actually completed an IPO, not just discussed one, and whether that event happened by July 31, 2026 ET. Readers should pay attention to the wording of any company announcement and to whether credible reporting confirms a public stock listing on a recognized exchange, since a filing alone would not be enough. The market’s resolution source is a consensus of credible reporting, so any ambiguity about timing, transaction type, or whether the deal counts as an IPO should be checked against those published reports.
Track live probability, outcome prices, volume, liquidity, and resolution details for Will OpenAI IPO by July 31 2026?. The market currently shows a live probability of 3%, $40.8K in 24h volume, and $21.4K in liquidity.
Track live finance prediction markets focused on interest rates, inflation, stock market events, central bank decisions, and global financial forecasting trends.
Yes
2.6%
No
97.5%
Polymarket has not provided a clear end date for this market yet.
This market will resolve to "Yes" if OpenAI completes an Initial Public Offering (IPO) by the listed date ET, as confirmed by official company announcements and credible news sources. Otherwise, this market will resolve to "No". The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange. If OpenAI is acquired by another company that is already public, this market will immediately resolve to "No." The resolution source for this market is a consensus of credible reporting.
Probability signal
The current price implies a lower-probability outcome, which can make the market more sensitive to surprise news.
Liquidity context
Liquidity is relatively deep for a prediction market page, so quoted prices may be more reliable than very thin markets.
Spread
The bid-ask spread is tight, which usually points to a more actively priced market.
Recent movement
No 24h movement is available yet.
The current displayed probability is 3%, 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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