Will Anthropic or OpenAI IPO first?

Anthropic

95% chance

$385,218 Vol.

Dec 31, 2027

Anthropic

95% chance

$385,218 Vol.

Dec 31, 2027

This market will resolve to "Anthropic" if Anthropic completes an Initial Public Offering (IPO) before OpenAI completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources. This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources. This market will resolve 50-50 if: - Neither company completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET; - Both companies complete an IPO on the same calendar date (ET); or - By December 31, 2027, 11:59 PM ET, both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded. The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange. The resolution source for this market is a consensus of credible reporting.

Market Opened: Jan 30, 2026, 5:43 PM ET

Volume

$385,218

End Date

Jan 1, 2028

Market Opened

Jan 30, 2026, 5:43 PM ET

Resolver

0x65070BE91...

Volume

$385,218

End Date

Jan 1, 2028

Market Opened

Jan 30, 2026, 5:43 PM ET

Resolver

0x65070BE91...

Will Anthropic's initial public offering occur in November 2026 (ET)?

53%

Anthropic or OpenAI: higher IPO closing market cap?

69%

Anthropic

Will Anthropic’s market cap be $600B or greater at market close on IPO day by December 31, 2027?

96%

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Frequently Asked Questions

"Will Anthropic or OpenAI IPO first?" is a prediction market on Polymarket with 2 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Will Anthropic or OpenAI IPO first?" at 95%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 95¢ implies that the market collectively assigns a 95% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Will Anthropic or OpenAI IPO first?" has generated $385.2K in total trading volume since the market launched on Jan 30, 2026. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Will Anthropic or OpenAI IPO first?," browse the 2 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Will Anthropic or OpenAI IPO first?" is "Will Anthropic or OpenAI IPO first?" at 95%, meaning the market assigns a 95% chance to that outcome. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Will Anthropic or OpenAI IPO first?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.

Yes. You don't need to trade to stay informed. This page serves as a live tracker for "Will Anthropic or OpenAI IPO first?." The outcome probabilities update in real-time as new trades come in. You can bookmark this page and check the comments section to see what other traders are saying. You can also use the time-range filters on the chart to see how the odds have shifted over time. It's a free, real-time window into what the market expects to happen.

Polymarket odds are set by real traders putting real money behind their beliefs, which tends to surface accurate predictions. With $385.2K traded on “Will Anthropic or OpenAI IPO first?,” these prices aggregate the collective knowledge and conviction of thousands of participants — often outperforming polls, expert forecasts, and traditional surveys. Prediction markets like Polymarket have a strong track record of accuracy, especially as events approach their resolution date. For example, Polymarket has a one month accuracy score of 94%. For the latest stats on Polymarket’s prediction accuracy, visit the accuracy page on Polymarket.

To place your first trade on "Will Anthropic or OpenAI IPO first?," sign up for a free Polymarket account and fund it using crypto, a credit or debit card, or a bank transfer. Once your account is funded, return to this page, select the outcome you want to trade, enter your amount, and click "Trade." If you're new to prediction markets, click the "How it works" link at the top of any Polymarket page for a quick step-by-step walkthrough of how trading works.

On Polymarket, the price of each outcome represents the market's implied probability. A price of 95¢ for "Will Anthropic or OpenAI IPO first?" in the "Will Anthropic or OpenAI IPO first?" market means traders collectively believe there is roughly a 95% chance that "Will Anthropic or OpenAI IPO first?" will be the correct result. If you buy "Yes" shares at 95¢ and the outcome is correct, you receive $1.00 per share — a profit of 5¢ per share. If incorrect, those shares are worth $0.

The "Will Anthropic or OpenAI IPO first?" market is a long-term prediction with a resolution date of Dec 31, 2027 — that's roughly over 1 year away. Long-term markets on Polymarket often see their odds shift significantly as events unfold, making them useful for tracking evolving sentiment. You can trade at any time or bookmark this page to follow the odds over the months and years ahead.

The "Will Anthropic or OpenAI IPO first?" market has a growing discussion of 3 comments where traders share their analysis, debate outcomes, and discuss breaking developments. Scroll down to the comments section below to read what other participants think. You can also filter by "Top Holders" to see what the market's biggest traders are positioned on, or check the "Activity" tab for a real-time feed of trades.

Polymarket is the world's largest prediction market, where you can stay informed and profit from your knowledge of real-world events. Traders buy and sell shares on outcomes for topics ranging from politics and elections to crypto, finance, sports, tech, and culture, including markets like "Will Anthropic or OpenAI IPO first?." Prices reflect real-time, crowd-sourced probabilities backed by financial conviction, often providing faster and more accurate signals than polls, pundits, or traditional surveys.

Will Anthropic or OpenAI IPO first?

Will Anthropic or OpenAI IPO first?

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Will Anthropic or OpenAI IPO first?

Will Anthropic or OpenAI IPO first?

Order Book

Order Book

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Rules

Market Context

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Comments (3)

Top Holders

Positions

Activity

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