Will OpenAI’s market cap be between $750B and $1T at market close on IPO day by December 31, 2027?

OpenAI IPO Closing Market Cap$14k liquidity$9k volumecloses 1.4y
IPOBusinessFinanceAIIPOsBig Tech
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Buy YES on Polymarket

BUY YES

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Cost
14.0¢
Implied chance
14.0%
Return if right
614.3%
Spread cost
4%

If you put in $100

You get 714.3 shares at 14.0¢ each.

YES wins: $714.29 back, a profit of $614.29. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $26.46 of that profit. Without it you would make $640.74.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy YES on Polymarket

Buy NO on Polymarket

BUY NO

Create an account to follow this trade

We keep it in one place with the price you saw, and email you when it settles or moves sharply. It is free, and the screener stays open to everyone either way.

Cost
87.0¢
Implied chance
87.0%
Return if right
14.9%
Spread cost
4%

If you put in $100

You get 114.9 shares at 87.0¢ each.

NO wins: $114.94 back, a profit of $14.94. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $0.66 of that profit. Without it you would make $15.61.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy NO on Polymarket

Chance over time

0%25%50%75%100%Aug 10Aug 10

Latest: Aug 10, 06:28 PM1 outcome stayed under 3% and is not plotted

Latest news

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Headlines are matched on the names in “Will OpenAI’s market cap be between $750B and $1T at market ”. Nobody checks them by hand, so one may not be relevant. They also say nothing about whether the price has already moved on this news.

How this market resolves

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, 2027, 11:59 PM ET, the market will resolve to "No IPO by December 31, 2027". 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 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 for purposes of this market.

Other outcomes in OpenAI IPO Closing Market Cap

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