← All open predictions

Between 20 September and 30 November 2026, Anthropic publicly discloses concrete IPO progress: either an S-1 filing, a direct listing announcement, or a confirmed IPO price range / lead-underwriter mandate.

probability 81% deadline 2026-11-30 (58d left) Finance

Posted 2026-09-19 — 72 days before the deadline, stated before the outcome.

The claim

Between 20 September and 30 November 2026, Anthropic publicly discloses concrete IPO progress: either an S-1 filing, a direct listing announcement, or a confirmed IPO price range / lead-underwriter mandate.

Reasoning trace

  1. Anthropic valuation and IPO speculation intensifies
  2. Underwriter mandates typically leak or are announced
  3. Formal S-1 or listing disclosure follows within quarter

Evidence so far

36 confirming · 0 denying signals · 12 verified · 2 broken assumptions. The evidence itself is part of the full dossier.

Probability history

Updated 27 times since mint (last on 2026-10-02) — 17% at mint → 81% today.

What to watch

  • leading indicator Anthropic announces or confirms a lead underwriter mandate with a named investment bank (e.g., Goldman Sachs, Morgan Stanley, JPMorgan) for an IPO
  • milestone Anthropic publicly confirms it has engaged underwriters and intends to pursue a public offering (via press release, investor update, or regulatory filing)
  • precondition Anthropic's board of directors approves the IPO and authorizes management to file registration statement (evidenced by a public announcement, proxy filing, or SEC pre-filing notice)

The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].

Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.