This market has closed
Trading ended on Jan 1, 2028. The prices below are the last ones before it closed and no longer update. Browse open markets
Odds by venue
Consensus blends each venue’s last price, weighted by how much has traded there. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.
- Polymarket
No outcome is trading right now. Check back when the venues reopen this market.
Who resolves this market
- Polymarket resolves via:

- UMA optimistic oracle
About this market
Final prediction market prices for "New Anthropic model released before IPO?". $1K has traded across 0 outcomes on Polymarket. The market closed on Jan 1, 2028.
This market will resolve to "Yes" if Anthropic makes a new AI model available to the general public between market creation and the moment Anthropic shares begin trading on their first trading day. Otherwise, this market will resolve to "No". If Anthropic has not completed an IPO by December 31, 2027, 11:59 PM ET, this market will resolve based on whether a qualifying model is made available to the general public between market creation and that date and time. A model made available to the general public on Anthropic's first trading day will qualify only if it is made available before Anthropic shares begin trading. A qualifying model must be a new Anthropic AI model whose name or version designation had not been announced or released before market creation, such as Claude Fable 5.2, Claude Opus 5.6, Claude Sonnet 5.6, or Claude Haiku 5.6, including a new whole-number generation such as Claude Opus 6 or a model in a new family. Models that retain the name and version designation of a model announced or released before market creation, such as Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5, or Claude Mythos 5.1, including any rollout, promotion, snapshot, or expansion of access to them, will not qualify. Fine-tunes, modes, or restricted-access variants of an existing version will not qualify. A qualifying model must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must either be clearly defined and publicly announced by Anthropic as accessible to the general public, or otherwise be made publicly accessible and explicitly labeled on the company's official website. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public will not qualify. Anthropic's first trading day is the first day on which Anthropic shares are listed on a public securities exchange and open for trading, as confirmed by official announcements from Anthropic and the relevant exchange. The primary resolution source for this market will be official information from Anthropic, with additional verification from a consensus of credible reporting.
Questions
What does the consensus price mean?
It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.
How is the payout worked out?
A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.
Why do the venues show different prices?
Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.
Is a price gap an arbitrage?
Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.
How fresh are these prices?
Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.
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