According to CoinMeta, on Monday, Anthropic disclosed its S-1 form submitted to the U.S. Securities and Exchange Commission, allowing investors to take a crucial first look at the financial situation of this AI platform. Traders on the prediction market platform Kalshi give a 95% probability that this AI giant will officially announce a initial public offering before the end of 2026. Kalshi defines "officially announcing IPO" as: SEC announcing the effectiveness of S-1, IPO completing the pricing, or the exchange assigning a trading code to the stock. On the Polymarket platform, traders believe there is a 69% probability that Anthropic will be listed on a public exchange and start trading before November 20th.