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Will OpenAI’s market cap be between $500B and $750B at market close on IPO day?

2.1%
Probability on Polymarket

On Polymarket, "Will OpenAI’s market cap be between $500B and $750B at market close on IPO day?" has a probability of 2.1%. Trading volume: $140K.

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Probability Over Time
Market Details
Polymarket
Updated 2h ago
Volume
$140K
Volume 24h
$129
Liquidity
$14K
Traders
—
Bid / Ask
2.0% / 2.1%
Spread
0.1%
Opened
Apr 2026
Resolves
Jun 2026
This market will resolve based on OpenAI's market capitalization at the closing price on its first day of trading. If no IPO occurs by December 31, 2026, 11:59 PM ET, the market will resolve to "No IPO by December 31, 2026". Market capitalization expresses the monetary value of…

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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