Will Anthropic IPO on November 20, 2026?

As of November 2, 2026, Polymarket prices “Will Anthropic IPO on November 20, 2026?” at 26% YES with $71K traded. No tracked wallet holds a position on this market, so there is no verdict.

Prediction markets put the probability at 26%: Will Anthropic IPO on November 20, 2026. Currently, markets see this as unlikely (26% YES). However, retail investors should understand that they probably won't be able to buy Anthropic stock at its initial listing price.

What’s Happening

Anthropic filed a registration statement with the U.S. Securities and Exchange Commission on Monday, Oct. 26, 2026, setting up what could be the largest IPO in history, with reported valuations as high as $2 trillion. The filing follows October reports that the AI developer was targeting a public debut as soon as mid-November, a timeline that puts the proposed listing roughly three weeks after the SEC submission. Proponents of the valuation point to expected annualized revenue of up to $120 billion to justify the record-breaking figure, though the company has not disclosed audited financials publicly. [Money, Oct 27]

The mid-November target represents an acceleration from earlier expectations. Anthropic was reported in October to be poised to go public the following month, with analysts flagging the debut as one of the year's biggest stock-market events. For context, the largest U.S. IPO on record remains Saudi Aramco's $29.4 billion raise in December 2019; a $2 trillion valuation would dwarf that offering and test institutional demand at a scale without precedent. Retail investors would likely be unable to buy at the initial listing price, as the first tranche of shares is typically allocated to institutional buyers, and hotly anticipated technology IPOs often open trading well above their listing price. [Motley Fool, Oct 20]

Regulatory risk remains a central variable in the timing. Fortune reported in June 2026 that Anthropic's IPO pitch carried a new problem: the government can shut it down, a reference to the company's dependence on federal contracts and AI-safety oversight. The question of whether Anthropic will complete an IPO on November 20, 2026 therefore hinges on SEC review speed, market conditions, and the resolution of government-related exposure disclosed in the registration. The November 20 date sits within the mid-November window first reported in October, but a three-week gap between filing and listing is unusually compressed for an offering of this size. [Fortune, Jun 16]

Traded on Polymarket — $71K Volume