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Will OpenAI’s market cap be between $1.25T and $1.5T at market close on IPO day by December 31, 2027?

polymarket economics Ends Dec 31, 2027 (18mo left) Vol: $3K • LIVE · Jun 18, 2026 12:47 UTC
Yes price
17¢
No price
83¢
Bid 17¢ Ask 19¢ Mid 18¢ Liquidity $9K
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About this market: Will OpenAI’s market cap be between $1.25T and $1.5T at market close on IPO day by December 31, 2027? is currently priced at 17¢ for Yes and 83¢ for No on polymarket, in the economics category. It resolves on Dec 31, 2027 (18mo from now). Daily volume is around $3K. No matched market was found on the other platform yet.

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