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OpenAI IPO closing market cap above $800B?

68.5%
Probability on Polymarket

On Polymarket, "OpenAI IPO closing market cap above $800B?" has a probability of 68.5%. Trading volume: $91K.

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Probability Over Time
Market Details
Polymarket
Updated 1h ago
Volume
$91K
Volume 24h
$2K
Liquidity
$9K
Traders
—
Bid / Ask
68.0% / 69.0%
Spread
1.0%
Opened
Apr 2026
Resolves
Dec 2027
This market will resolve to “Yes” if the official closing price for OpenAI's market capitalization on its first trading day is above the listed value. Otherwise, it will resolve to “No”. If no IPO occurs by December 31, 2027, 11:59 PM ET, this market will resolve to “No”. Marke…

Single Platform Data

This question is currently tracked on Polymarket only. When the same question appears on additional platforms, we compute a cross-platform consensus probability. Learn about our methodology →

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