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Anthropic IPO: Closing Price above IPO Price on First Day Odds

Polymarket traders give “Yes” a 82% chance.

Polymarket Volume $13.4K 24h $3.6K Liquidity $12.9K Ends Jan 1, 2028 Updated Nov 8, 6:00 AM EST
OutcomeChanceOdds24h
Yes
82% -441 ▲ 4
No
19% +441 ▼ 4

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Price history

0% 25% 50% 75% 100% Oct 26 Nov 8
Anthropic IPO: Closing Price above IPO Price on First Day?

Resolution rules

This market will resolve to “Yes” if Anthropic's closing share price on its first day of trading is above its IPO offer price. Otherwise, this market will resolve to “No”. The IPO price will be the final offering price to the public as stated in the final prospectus filed with the U.S. Securities and Exchange Commission. The official closing price as listed by the primary exchange will be considered the closing share price. The IPO refers to the first sale of stock by Anthropic to the public on any recognized stock exchange. If no Anthropic IPO occurs by December 31, 2027, 11:59 PM ET, the market will resolve to 50-50. Resolution will be based on the final prospectus for the IPO price and the primary exchange’s official listing page for the closing price. In the event that the relevant figure is not displayed, another reliable source will be used. In the event of an interruption in the course of the normal trading session on Anthropic's first day of trading (e.g., a circuit breaker or half-day), the market will resolve according to the official closing price of the abbreviated session. If no such official closing price is published, the market will resolve according to the next trading day on which an official closing price is published, treating that as the first day of trading.

Source: Polymarket. The venue's rules are final.

FAQ

What are the odds of "Anthropic IPO: Closing Price above IPO Price on First Day"?

As of Nov 8, 6:00 AM EST, traders on Polymarket price Yes at 82%, about -441 in American odds. Prices move with every trade.

How are prediction market odds calculated?

Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.

When does this market close?

Polymarket lists Jan 1, 2028 as the end date. It can close earlier if the outcome is decided.

Where can I trade on Anthropic IPO: Closing Price above IPO Price on First Day?

This market trades on Polymarket. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.