Will Anthropic IPO by December 15, 2026?
Yes at 83% on 1 Nov 2026, up 10 pts over the previous 7 days. 4 big jumps since 12 Oct 2026, listed below.
Data from Polymarket. Numbered dots are the jumps explained below.
Context
This prediction market asks whether AI company Anthropic will officially complete its initial public offering and begin trading on a public stock exchange by December 15, 2026. The market resolves to "Yes" if shares open for trading by the deadline, or "No" if it fails to do so or is acquired by an already public company.
Recent reports indicate that Anthropic has released its blockbuster IPO prospectus and filing details, drawing massive attention across financial media. Discussions highlight the company's massive revenue growth alongside substantial financial losses and valuation debates as it aims for the Nasdaq.
Key details from the filings show staggering figures, including 1,300 percent growth, $16.3 billion in revenue, and an $80.7 billion loss. Market watchers and analysts are closely debating the upcoming listing, prospective risks, and how history and past IPOs might shape the company's market debut.
Sources: The Motley Fool: Anthropic IPO: How to Buy Shares and What to Expect on Day 1, Bloomberg.com: Anthropic’s $100 Billion Mission Is the Whole Market Now, The New York Times: Opinion | What Anthropic’s I.P.O. Filing Says About the Future of A.I., Yahoo Finance: Can You Invest in Anthropic Before the IPO? Here's the Clear Answer., Adam Tooze | Substack: Anthropic IPO highlights. Saudi takes a hit. AI comes for Lao Gan Ma & the parody of passwords., Yahoo Finance: The Anthropic IPO Will Be an Epic Failure, Based on What History Tells Us, Yahoo Finance: The Biggest Risk to Anthropic Stock Is the Company Itself, CNBC: The big questions remaining after Anthropic’s blockbuster IPO prospectus, Acorns: How to Invest in Anthropic: IPO Date and Ticker, Yahoo Finance: S&P 500 Slips Weekly as Underwhelming Hyperscaler Results Offset Anthropic's IPO Boost, Yahoo Finance: Will Anthropic Soar After Its IPO? History and SpaceX Offer an Answer That’s Strikingly Clear., CNBC: Anthropic's path to the Nasdaq just got a lot bumpier, Barron's: Anthropic Is a Revolutionary Business, but Its IPO Is Still an Enormous Gamble, Yahoo Finance: Anthropic IPO: 1,300% Growth, $16.3 Billion in Revenue, and an $80.7 Billion Loss. Here Are the Numbers to Watch., Yahoo Finance: Before Buying Anthropic Stock, Here's What History Says About Investing in IPOs
Written by AI from the linked news sources and checked automatically, not by a person.
What could move it next
No upcoming events listed for this market yet.
Price jumps explained
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26 Oct 2026
Anthropic Files For IPO
The probability of an Anthropic IPO increased after multiple news outlets reported that the company submitted its IPO prospectus and S-1 paperwork. Financial publications and major news sources discussed the details of the filing, including its massive revenue surge and financial disclosures.
Sources: Financial Times: Why you shouldn’t bother reading the Anthropic IPO filing, Financial Times: ‘Bold but sane’: what we learnt from Anthropic’s 240,000-word IPO filing, The Motley Fool: Can You Invest in Anthropic in 2026? Details & Alternatives, Fierce Biotech: Anthropic lays out drug R&D ambitions, risks in mammoth IPO filing, The New York Times: Anthropic’s I.P.O. Prospectus Spells Out a Future of Promise and Peril, Axios: Claude says Anthropic's IPO is a buy. ChatGPT disagrees, Business Insider: Anthropic's S-1 paperwork reveals the stunning finances behind its meteoric rise ahead of its IPO, Yahoo Finance: Anthropic IPO: SpaceX stands to make out big from AI lab's compute spending, Reuters: Anthropic's soaring sales, steep losses put AI frenzy to IPO test, The New York Times: 7 Numbers That Explain Anthropic’s Business, CBC: Anthropic files for potentially biggest IPO ever, even as CEO warns of AI risks to humanity, Bloomberg.com: Anthropic’s Massive Revenue Surge Comes With Ballooning Computing Bill, WSJ: The Biggest Takeaways From Anthropic’s IPO Prospectus, AP News: AI companies are barreling toward huge Wall Street debuts. A look at the biggest players, CNBC: Anthropic's IPO puts power in the hands of founders, giving everyday shareholders little voice
After 24 h: held. After 7 days: too early.
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26 Oct 2026
Anthropic IPO News Coverage Sparks Speculation
Several financial news sources published articles discussing Anthropic's potential public stock offering and path to the stock market. These reports highlighted the expected mega listing and provided investor guides, aligning with the shift in market odds.
Sources: Zacks Investment Research: Anthropic IPO 2026 Guide: Price Predictions, Dates, and Everything You Need to Know, NerdWallet: What to Know Ahead of Anthropic’s IPO (NASDAQ: ANT), Reuters: Anthropic's path from AI startup to industry-defining IPO, Reuters: Anthropic's potential mega IPO joins ranks of world's biggest listings
After 24 h: held. After 7 days: too early.
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16 Oct 2026
Anthropic IPO Valuation Expectations Cool Down
The chance of Anthropic holding its IPO dropped after reports emerged that investors are tempering their valuation expectations due to slowing revenue growth. News also indicated that Anthropic opened talks with the NYC comptroller following a call to delay the IPO.
Sources: CEO Today: Anthropic IPO Valuation Expectations Cool as Investors Weigh Growth, The Globe and Mail: Investors reportedly temper Anthropic IPO valuation expectations over revenue growth slowdown, Yahoo Finance: Market Chatter: Anthropic in Talks With NYC Comptroller After Call to Delay IPO, Firstpost: Anthropic’s $2 trillion IPO price too high? Investors weigh lower valuation: Report, 조선일보: Anthropic's Valuation Cut to $1.5 Trillion as Revenue Growth Slows, Crain's New York: Anthropic in discussions with NYC comptroller after call to delay IPO, Arise News: Anthropic Faces Lower IPO Valuation Expectations As Investors Question Growth Momentum, The Telegraph: Anthropic’s valuation slashed by $500bn, 24/7 Wall St.: Some Anthropic Investors Now See a $1.5 Trillion IPO, Not $2 Trillion, Bloomberg.com: Anthropic Opens Talks With NYC Comptroller After IPO Letter
After 24 h: partly reverted. After 7 days: reverted.
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12 Oct 2026
Anthropic IPO Timeline and Prospectus Questions Raise Uncertainty
The chance of Anthropic going public by December 2026 decreased after reports highlighted that its official S-1 prospectus remains unreleased despite an upcoming investor day and a pitch starting on October 14. Additionally, articles raised concerns regarding the IPO timeline, circular financing, and sky-high valuations that may impact investor confidence.
Sources: Yahoo Finance: Two Exit Doors: Anthropic’s $2 Trillion Pitch Starts Oct. 14. The Public Prospectus Comes Later., FinanceFeeds: Anthropic’s 14 October Investor Day Nears, but Its S-1 Still Isn’t Public: The IPO Timeline Explained, Benzinga: AI Bubble Ready to Burst? Investor Raises Alarm Over Anthropic's Sky-High Valuation, Financial Newswire: Circular financing concerns dog Anthropic $2t IPO
After 24 h: partly reverted. After 7 days: reverted.
Written by AI from the linked news sources and checked automatically, not by a person.
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Questions about this market
What are the odds for “Will Anthropic IPO by December 15, 2026”?
On 1 Nov 2026, Polymarket traders priced Yes at 83%, which means they saw about a 83 in 100 chance. That was up 10 points over the previous 7 days. The live price is shown in the chart at the top of this page.
Why did the odds move recently?
The latest explained move was on 26 Oct 2026, from 80% to 94%: Anthropic Files For IPO. The probability of an Anthropic IPO increased after multiple news outlets reported that the company submitted its IPO prospectus and S-1 paperwork. Every big move is listed under “Price jumps explained” (this one is number 4).
Do big jumps in this market usually hold?
Of the 4 big jumps old enough to check, 2 held after 24 hours (kept at least 70% of the move). The rest partly or fully reverted.
How does this market resolve?
This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date. Otherwise, this market will resolve to "No." If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No." The full Polymarket rules are at the bottom of this page.
When does this market end?
Polymarket lists 16 Dec 2026 as the end date. It can settle earlier or later if the rules say so, for example when an official result comes in.
Can I bet on this market on predictionwave?
No. predictionwave only explains the odds. The market itself runs on Polymarket, and trading there is not allowed in every country.
How this market resolves (Polymarket rules)
This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date. Otherwise, this market will resolve to "No." If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No." The primary resolution source for this market is official filings and announcements from Anthropic and the relevant securities exchange on which the shares are listed, including SEC filings (e.g., Form S-1, Form 8-A), exchange listing confirmations, and official press releases from Anthropic; however a consensus of credible reporting may also be used.