Recent investor feedback following Anthropic’s October investor day and Q3 revenue of $16.8 billion has shifted trader consensus toward a debut market cap of $1.5–2.0 trillion, with the $1.75–2.0 trillion bucket holding the highest implied probability at 29.5%. Strong sequential revenue growth and adjusted profitability contrast with substantial GAAP losses driven by non-cash charges tied to convertible instruments, prompting some investors to moderate prior $2 trillion-plus expectations amid broader AI valuation pressure and comparisons to SpaceX’s $1.77 trillion IPO. The company’s confidential S-1 filing, expected imminently ahead of a mid-November pricing window before Thanksgiving, remains the key near-term catalyst that could clarify share pricing and final market-cap resolution.