Techcloses in 28mo

Anthropic or OpenAI: higher IPO closing market cap?

This market will resolve to "Anthropic" if the official closing price for Anthropic's market capitalization on its first trading day is above the official closing price for OpenAI's market capitalization on its first trading day. This market will resolve to "OpenAI" if the official closing price for OpenAI's market ca…

24h volume

Total volume

Liquidity

$52

Markets

31 Dec 2028

AIIPOIPOsOpenAIFinanceBusinessClaude 5AnthropicOpenAI IPOsam altmanAnthropic IPO

Probability over time

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Holders and activity

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Markets and probabilities

1 markets

How to read

The percentage is the implied probability of the outcome, between 0% and 100%. For mutually-exclusive markets the sum trends to 100% (no vig). The ▲/▼ arrow shows the change over the selected window (1h/24h/7d/30d) in percentage points (pp). Click a market to see its top holders (with average entry price and position change) and the latest trades.