Anthropic’s IPO calendar has moved, and the prospectus that would anchor it is now expected in late September. Until it lands, the only daily price on the company is a synthetic one.
Crypto exchanges have been running pre-IPO perpetual contracts on Anthropic since June 2, and those contracts settle against trader sentiment rather than any filed share count. A later prospectus extends the period in which they trade without an official document to check against.
Reuters reported on September 4, citing people familiar with the matter, that Anthropic is now expected to begin marketing its initial public offering in mid-October at the earliest and to complete the listing days before the US midterm elections in November.
What Are the Reports
The company had been expected to make its prospectus public as early as next week. That filing is now not expected until late September, according to the report, which cautioned that the timetable can still change.
Reuters said the next step is financing rather than the roadshow. Anthropic is looking to finalize a $15 billion revolving credit facility, after which analysts, including those at banks involved in the financing, are expected to meet the company. Morgan Stanley, Goldman Sachs, JPMorgan and Citi are among the banks working on the offering, according to the report.
Companies typically leave several weeks between analyst meetings and a public prospectus. Reuters reported Anthropic is expected to run a tighter window because analysts already know the company.
Anthropic confidentially submitted a draft registration statement on Form S-1 to the SEC on June 1, published under Rule 135 of the Securities Act. The company said at the time that the number of shares to be offered and the price had not been set, and that any offering would depend on market conditions and other factors.
What Crypto Markets Have Been Pricing
The Crypto Times reported on August 14 that the ANTHROPICUSDT Pre-IPO Perpetual on Binance Futures traded at $1,607.29 with a mark price of $1,607.80, implying roughly $1.57 trillion at the exchange’s one-billion-share reference count, on about $4.94 million in daily volume according to Lookonchain.
Those contracts confer no ownership. Binance launched its version on June 2 with up to 20x leverage, USDT-settled, and similar products now trade on Bybit, Bitget and Crypto.com, alongside an on-chain synthetic deployed through Hyperliquid’s HIP-3 framework. Coinbase added pre-IPO perpetuals for Anthropic and OpenAI in June for eligible non-US traders.
Because no share count, ticker or exchange has been announced, an implied valuation depends entirely on the reference count each venue chooses. Prices and implied figures vary by venue and by the moment they are captured.
The Second Channel Is Security, Not Price
Anthropic’s models are already a live factor in crypto security. On September 1 the company released Claude Fable 5.1 and Mythos 5.1, and The Crypto Times reported that the Mythos line carries the strongest cyber capabilities Anthropic has shipped, restricted to vetted cyber-defenders and life-sciences organisations through trusted-access programmes.
Anthropic said the uplift from those capabilities is valuable to adversaries who could gain financially from cyberattacks, a category that includes attackers targeting digital-asset systems. Neither Anthropic nor OpenAI has disclosed any instance of these models being used against a crypto system.
That places Anthropic in an unusual position relative to this industry ahead of a listing: a company crypto traders are pricing through derivatives, and whose products crypto security teams are simultaneously assessing as both a threat and a defensive tool.
The Compute Channel
Anthropic’s listing also matters to Bitcoin miners that have redirected capacity toward AI. Network hashrate has now spent 316 days below its peak as miners shift power toward AI workloads, and Anthropic has signed long-dated compute arrangements with former mining operators. That spending continues to reshape the power, hosting and high-performance computing businesses several listed miners now depend on.
That channel operates whether or not a trader ever touches a pre-IPO contract, and it runs through the same balance-sheet preparation as the credit facility Reuters describes.
What the Products Do Not Cover
Share counts, dilution, lockups and eventual IPO pricing can all differ from what unofficial markets assume, and the gap between private-market marks, IPO pricing and first-day trading can be wide.
The legal position is separate again. The Crypto Times reported in May that Anthropic declared unauthorized share transfers through special-purpose vehicles and tokenized securities void, naming several secondary platforms, and said third parties claiming to sell its shares to the general public were likely either committing fraud or offering something that may have no value. A tokenized product on Solana fell 27% after that warning.
