Anthropic Announces an IPO
ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins67% CONFIDENCEOverall confidence: 67%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidencein 59 daysNothing has been scheduled: this is a "by when" market. November 2026 is the month it prices highest — the ladder rises from 9% before November 1 to 50% before December 1, a 41-point month against 24 for December — and a month-only date takes its last day.[1]
Kalshi
Kalshi
On 20 September 2026 Kalshi’s Anthropic IPO ladder went from a 9% chance of an announcement before November 1 to 50% before December 1, putting 41 points of probability on November 2026 alone — by far the single likeliest month. By April 2027 the market had the announcement at 91%.
