Kalshi gives Anthropic 69% IPO chance

Kalshi’s Anthropic IPO market was pricing a mid-to-high probability on May 21 that the Claude maker will confirm a public listing this year, though the exact number depends on which contract date traders are looking at. The regulated prediction market showed Anthropic at 67% for confirming an IPO before Nov. 1, 2026, while an X post circulating the same day cited a 69% figure tied to Kalshi. Anthropic has not publicly announced an IPO date, filed a public S-1 registration statement, or disclosed a ticker. The market is a live trading contract, not a company statement. ### Which Kalshi number are people talking about? Kalshi’s Anthropic market is structured as a series of date-based contracts rather than a single yes-or-no line. On May 21, the Kalshi page showed “Before Nov. 1, 2026” at 67%, “Before Oct. 1, 2026” at 53%, and “Before Sep. 1, 2026” at 30%. The 69% figure cited on X appears to reflect a snapshot from earlier trading or a nearby contract view rather than the number shown on the page when checked. Kalshi prices move continuously as traders buy and sell, so small gaps between a social-media screenshot and the live market are normal. ### What exactly would count as an Anthropic IPO on Kalshi? (kalshi.com) Kalshi’s rules are narrower than general IPO chatter. The contract says Anthropic is considered to have confirmed an IPO if the U.S. Securities and Exchange Commission declares its Form S-1 effective, if the IPO is priced, or if a securities exchange assigns a ticker. (kalshi.com) Kalshi also says the market would resolve to “Yes” even if trading starts after Oct. 1, 2026, as long as one of those confirming events happens before the deadline in the relevant contract. The market opened on April 1, 2026, and the broader event page says it closes by Sept. 30, 2026, unless the outcome occurs earlier. (kalshi.com) ### Has Anthropic actually taken IPO steps beyond prediction markets? Reuters reported on Dec. 2, 2025, citing the Financial Times, that Anthropic had hired law firm Wilson Sonsini to prepare for an IPO that could come as early as 2026 and had held early talks with major investment banks. Anthropic and Wilson Sonsini did not immediately comment to Reuters at the time. (kalshi.com) Anthropic has also continued to raise private capital instead of entering public markets. Anthropic said on Feb. 12, 2026, that it raised $30 billion in Series G funding at a $380 billion post-money valuation. Bloomberg News later reported, and Reuters summarized on April 29, that Anthropic was weighing another fundraising round at a valuation above $900 billion. (finance.yahoo.com) SEC search results available on May 21 did not show a public S-1 filing for Anthropic. The SEC entity page surfaced a Form D filing, which is a private-offering notice, not an IPO registration statement. ### Why are traders assigning such high odds? CNBC reported on May 20 that Anthropic generated $4.8 billion in first-quarter revenue and could reach $10.9 billion in second-quarter revenue, citing a person familiar with the matter. (anthropic.com) CNBC also reported that hitting that target would put Anthropic on track for its first profitable quarter, though the figures are private and unaudited. (sec.gov) Anthropic’s scale, funding history and earlier IPO preparation reports help explain why traders are willing to price a relatively high probability for a 2026 listing. That is an inference from the company’s financing and revenue trajectory, not a statement by Anthropic or Kalshi. ### What should readers watch next? (cnbc.com) Anthropic’s next concrete IPO signal would be a public SEC filing, a named exchange ticker, or formal pricing terms, because those are the milestones Kalshi says would resolve its market. Sept. 30, 2026, is the key date on Kalshi’s event page if no earlier confirming event occurs. (finance.yahoo.com) Until then, the quoted probability can keep moving with each trade and may differ from screenshots or reposts shared on X. (kalshi.com)