OpenAI IPO closing market cap above $800B?
83%
Real price history (past month), from Polymarket. Down-sampled to 24 points.
Context
The market is assessing whether OpenAI's valuation will exceed $800 billion when it goes public, currently reflecting strong confidence in a high-value debut.
| Implied probability (Yes) | 83% |
|---|---|
| 24h change | -2 pt |
| 7d change | +0 pt |
| Market volume | $103K |
| Resolves by | 2027-12-31 |
| Source | Polymarket ↗ · as of 2026-07-07 |
This is an implied probability from a real-money prediction market (Polymarket), shown as information — not a forecast we endorse and not financial or trading advice. Markets can be thin or move fast; always check the source. Odds ≠ advice.