Anthropic + OpenAI vs Microsoft - higher valuation on December 31?
ExchangeAITechOne-OffCorporate ActionsBusiness & Corporate2mo
PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedSelected book midpoint
Microsoft · —
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Stored reference
Microsoft 80%
Microsoft 80%Market quality
27 / 100
Low quality24h Volume
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Liquidity
$1.2K
Low liquidityOpen interest
$4K
Bid / Ask
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MicrosoftSpread
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Comments
0
Market data
Updated 34 minutes ago
May 19, 26, 8:30 PM UTCJan 5, 27, 4:59 AM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 1 percentage points
- Fees:
- Yes
Top holders
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Market depth · Microsoft
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Anthropic vs OpenAI - higher valuation on December 31?
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PolymarketRules
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.
