Anthropic + OpenAI vs Microsoft - higher valuation on December 31?
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How this market resolves
This market will resolve to "OpenAI + Anthropic" if the combined private market valuation of Anthropic and OpenAI is larger than Microsoft's market capitalization on December 31, 2026, or to "Microsoft" if Microsoft's market capitalization exceeds that combined valuation. NPM Prices are published for trading days only and are updated once daily at 1:00 PM ET on the following calendar day. If NPM has not published relevant data for the specified date by 1:00 PM ET on January 1, 2027, this market may remain open until 11:59 PM ET on January 4, 2027. If no further data is released by that time, the market will resolve according to the data available. If NPM ceases publishing relevant data prior to the specified date, this market will resolve based on the NPM data published prior to the cessation of coverage, as well as applicable public market capitalization data following an IPO or direct listing. If a private company completes an IPO or direct listing prior to the specified date, this market will resolve according to the company's public market capitalization at the market close of the specified date or the most recent trading day. Public market capitalization will be…
Source: Polymarket rules — excerpt of the text the venue publishes.
Related events
- Which companies will be acquired before 2027? — Viking Therapeutics 11¢
- Largest IPO by market cap in 2026? — SpaceX 89¢
- IPOs before 2027? — Anthropic 90¢
- Will Anthropic’s valuation hit __ by December 31? — ↑$1.5T 74¢
- Richest person on December 31, 2026? — Elon Musk 96¢