Will Anthropic or OpenAI IPO first?
As of Mon, 31 Aug 2026 06:00:23 UTC, Polymarket traders price Yes (95.2%). The market has $1K in volume and closes on Sat, 01 Jan 2028.
Updated:
Current odds
| Outcome | Chance | Yes price | No price |
|---|---|---|---|
| Yes | 95.2% | 95.2¢ | 4.8¢ |
Market details
- Venue: Polymarket
- Volume: $1K
- Liquidity: $41K
- Closes:
Resolution rules
This market will resolve to "Anthropic" if Anthropic completes an Initial Public Offering (IPO) before OpenAI completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources. This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources. This market will resolve 50-50 if: - Neither company completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET; - Both companies complete an IPO on the same calendar date (ET); or - By December 31, 2027, 11:59 PM ET, both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded. The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange. The resolution source for this market is a consensus of credible reporting.
Sources
Related markets
- Largest IPO by market cap in 2026?
- Anthropic IPO Closing Market Cap (Lower Brackets)
- Will OpenAI's valuation hit __ by December 31?
- OpenAI $1t+ IPO before 2027?
- In which month will Anthropic IPO?
- Which companies will be acquired before 2027?
DOXA is a liquidity aggregator for prediction markets that compares odds and depth across Polymarket, Kalshi and others and routes each trade for best execution with an AI assistant.