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Will OpenAI’s market cap be between $500B and $750B at market close on IPO day by December 31, 2027?

polymarket economics Ends Jan 1, 2028 (14mo left) Vol: $30K • LIVE · Oct 26, 2026 01:38 UTC
Yes price
2¢
No price
98¢
Bid 2¢ Ask 3¢ Mid 2¢ Liquidity $14K
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About this market: Will OpenAI’s market cap be between $500B and $750B at market close on IPO day by December 31, 2027? is currently priced at 2¢ for Yes and 98¢ for No on polymarket, in the economics category. It resolves on Jan 1, 2028 (14mo from now). Daily volume is around $30K. No matched market was found on the other platform yet.

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