Anthropic IPO by 2027?

Platform comparison

Active sub-markets

Market context

Anthropic, the San Francisco-based AI safety company founded in 2021, remains privately held with a valuation estimated at $5 billion as of its most recent funding round in 2024. An initial public offering would require the company to file registration statements with the US Securities and Exchange Commission, obtain approval from a listing exchange (typically Nasdaq or NYSE), and complete underwriting before shares trade publicly. The settlement window extends to 1 July 2027, allowing roughly three years for such a transition. Notably, the market resolves to "No" if Anthropic is acquired by an already-public company—a scenario that has become increasingly plausible given interest from technology majors and venture investors seeking exposure to large language model development.

Comparable timelines suggest caution: OpenAI remains private despite its November 2023 valuation spike to $80 billion; xAI and other frontier labs have shown no IPO signals. Most venture-backed AI companies have pursued acquisition or remained private longer than initial market expectations. The 1% crowd probability reflects scepticism about near-term public listing, particularly given the sector's regulatory uncertainty, ongoing profitability questions, and Anthropic's stated focus on safety research rather than rapid revenue scaling.

Traders should monitor SEC filing announcements, statements from Anthropic's board regarding capital strategy, and any major acquisition offers. Under UK tax rules, prediction market winnings on this contract are treated as miscellaneous income; EU traders note that German GlüStV regulations classify prediction markets as betting, with implications for VAT and reporting. The CFTC's reach into US-listed derivatives does not directly govern Polymarket's contract terms, though US persons face compliance considerations. The "no-KYC up to $1,500" accessibility threshold applies to initial account creation but does not exempt traders from tax reporting obligations in their home jurisdictions.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Tax UK, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Tax UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket Tax UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Tax UK triggers a quick verification flow that finishes in minutes.