Will Anthropic's initial public offering occur in December 2026 (ET)?
Yes at 10% on 30 Oct 2026, down 6 pts over the previous 7 days. 4 big jumps since 10 Oct 2026, listed below.
Data from Polymarket. Numbered dots are the jumps explained below.
Context
This market asks whether Anthropic's initial public offering will occur in December 2026, resolving based on the calendar month (ET) when its shares begin regular-way trading on a public securities exchange.
Anthropic has recently filed its initial public offering prospectus, which revealed significant revenue alongside a large net loss and unique risk disclosures regarding artificial intelligence.
Reports indicate that Anthropic plans to launch its IPO marketing during the week of November 9, with analysts and commentators discussing potential valuations and listing details.
Sources: Bloomberg Law News: Anthropic IPO Disclosure of ‘Existential’ AI Risk Sets Standard, Forbes: Anthropic’s IPO Date Could Cost Its Employees A Year Of Tax Life, Haberler.com: Striking warning in the IPO filing from Anthropic, the maker of Claude: AI could pose an existential risk to humanity, KQED: Real Estate, Climate and Wild Parties? Here’s How Anthropic’s IPO Could Affect the Bay Area, The Coin Republic: Anthropic IPO Filing Shows Revenue Surge and $80.7B Net Loss, The Motley Fool: Anthropic IPO: How to Buy Shares and What to Expect on Day 1, RS Web Solutions: Anthropic Plans IPO Marketing Launch Week of November 9, The New York Times: Opinion | The Open Secret Buried in Anthropic’s 300-Page I.P.O. Filing, Yahoo Finance: Can You Invest in Anthropic Before the IPO? Here's the Clear Answer., Yahoo Finance: The Anthropic IPO Will Be an Epic Failure, Based on What History Tells Us, Univest: Anthropic IPO Valuation: Damodaran Says $1.475 Trillion, Yahoo Finance: The Biggest Risk to Anthropic Stock Is the Company Itself, CNBC: The big questions remaining after Anthropic’s blockbuster IPO prospectus, Techloy: Anthropic IPO Date, iPhone Duo Price and iOS 27.2, Acorns: How to Invest in Anthropic: IPO Date and Ticker
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 IPO Probability Drops Despite Filing Reports
The chance of Anthropic holding its initial public offering in December 2026 decreased even as reports emerged about the company filing paperwork for a stock market debut. Market rules specify that the market resolves based on the actual month trading begins rather than announcements or filings.
Sources: WBUR: The first AI mega-IPO is here: Anthropic wants to go public, https://tech-insider.org/: Anthropic IPO Filing Reveals 4 Model Escapes [2026], NBC Palm Springs: Anthropic Files IPO Paperwork Ahead of Expected Stock Market Debut, Forbes: Anthropic Files For IPO: Here’s What We Learned, Forbes: Anthropic IPO: What We Know About Its Forthcoming Stock Market Debut
After 24 h: held. After 7 days: too early.
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25 Oct 2026
No news found
We found no news published around this move. Sudden moves without news are often a single large trade, especially in markets with low volume.
After 24 h: reverted. After 7 days: too early.
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13 Oct 2026
Anthropic IPO Rumors Push December 2026 Odds Up
The chance of Anthropic going public in December 2026 rose after multiple news reports highlighted upcoming financial disclosures and an institutional investor meeting ahead of a potential IPO. Several articles noted that Anthropic is preparing to reveal its Q3 financial results to investors, sparking renewed market interest in its expected debut. These developments contributed to shifting expectations regarding the timeline of the public stock offering.
Sources: The Tech Buzz: Anthropic Opens Books to Investors as AI Lab IPO Buzz Builds, Quartz: Anthropic Q3 financials investor meeting ahead of IPO, TradingView: Anthropic to share Q3 financials with investors amid growing AI valuation concerns, Crypto Briefing: Anthropic reportedly holding institutional investor day tomorrow ahead of potential IPO, Crypto Briefing: Anthropic to reveal Q3 financials ahead of expected November IPO: CNBC, BigGo Finance: Anthropic to Unveil First Quarterly Results Ahead of IPO, Testing $2 Trillion Valuation, Yahoo Finance: Anthropic's $2 Trillion Valuation Is on the Line: New Revenue Figures Could Reshape the AI Trade.
After 24 h: reverted. After 7 days: reverted.
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10 Oct 2026
Anthropic IPO Hype Amid Market Discussions
The chance of Anthropic's IPO occurring in December 2026 rose following recent news coverage and analysis surrounding its anticipated public debut and a potential valuation of $2 trillion. Reports also highlighted investor sentiment regarding AI spending risks and market conditions as other companies adjusted their IPO plans.
Sources: New York Post: Other IPOs on ice as investors await Anthropic’s mega public debut, Tema ETFs: Anthropic’s Mega-IPO: The Case Behind the $2 Trillion Valuation, TradingView: Anthropic IPO Hype Meets AI Spending Risks: 6 ETFs to Watch Beyond Semiconductors
After 24 h: partly reverted. After 7 days: partly reverted.
Written by AI from the linked news sources and checked automatically, not by a person.
Other markets in “In which month will Anthropic IPO?”
Questions about this market
What are the odds for “Will Anthropic's initial public offering occur in December 2026 (ET)”?
On 30 Oct 2026, Polymarket traders priced Yes at 10%, which means they saw about a 10 in 100 chance. That was down 6 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 24% to 6%: Anthropic IPO Probability Drops Despite Filing Reports. The chance of Anthropic holding its initial public offering in December 2026 decreased even as reports emerged about the company filing paperwork for a stock market debut. 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, 1 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 based on the calendar month (ET) in which Anthropic's initial public offering (IPO) occurs. The resolving month will be the calendar month (ET) containing the first day on which Anthropic shares are listed and open for regular-way trading on a public securities exchange. The full Polymarket rules are at the bottom of this page.
When does this market end?
Polymarket lists 1 Jan 2028 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 based on the calendar month (ET) in which Anthropic's initial public offering (IPO) occurs. The resolving month will be the calendar month (ET) containing the first day on which Anthropic shares are listed and open for regular-way trading on a public securities exchange. An IPO refers to Anthropic shares becoming listed and open for trading on a public securities exchange, whether through a traditional initial public offering or a direct listing. If Anthropic goes public through a merger, acquisition, or absorption by an entity that is already publicly traded, including a special purpose acquisition company, this market will resolve to "No IPO before 2028". If no IPO occurs by December 31, 2027, 11:59 PM ET, the market will resolve to "No IPO before 2028". Announcements, filings, or scheduling of an IPO will not suffice; this market will resolve after public trading has begun. Resolution will be based on information from the primary exchange.