Will OpenAI not IPO by December 31, 2026?
95 %
+0.00% day
A Polymarket contract on whether OpenAI will still be privately held at the end of 2026. It pays out on the absence of a listing, so it prices how soon the largest private AI company converts investor paper into tradable stock.
Sep 14 · 95.00 % · +14.5% vs the window’s open
the numbers32
| when | value | change |
|---|---|---|
| Aug 15 | 83.00 % | |
| Aug 16 | 83.00 % | 0.0% |
| Aug 17 | 81.00 % | −2.4% |
| Aug 18 | 79.00 % | −2.5% |
| Aug 19low | 78.00 % | −1.3% |
| Aug 20 | 80.00 % | +2.6% |
| Aug 21 | 80.00 % | 0.0% |
| Aug 22 | 81.00 % | +1.3% |
| Aug 23 | 82.00 % | +1.2% |
| Aug 24 | 87.00 % | +6.1% |
| Aug 25 | 85.00 % | −2.3% |
| Aug 26 | 85.00 % | 0.0% |
| Aug 27 | 85.00 % | 0.0% |
| Aug 28 | 85.00 % | 0.0% |
| Aug 29 | 85.00 % | 0.0% |
| Aug 30 | 84.00 % | −1.2% |
| Aug 31 | 84.00 % | 0.0% |
| Sep 1 | 89.00 % | +6.0% |
| Sep 2 | 89.00 % | 0.0% |
| Sep 3 | 92.00 % | +3.4% |
| Sep 4 | 93.00 % | +1.1% |
| Sep 5 | 92.00 % | −1.1% |
| Sep 6 | 92.00 % | 0.0% |
| Sep 7 | 92.00 % | 0.0% |
| Sep 8 | 92.00 % | 0.0% |
| Sep 9 | 92.00 % | 0.0% |
| Sep 10 | 93.00 % | +1.1% |
| Sep 11 | 93.00 % | 0.0% |
| Sep 12 | 93.00 % | 0.0% |
| Sep 13high | 97.00 % | +4.3% |
| Sep 14 | 95.00 % | −2.1% |
| Sep 14latest | 95.00 % | 0.0% |
Lately
Nothing in the fortnight touches OpenAI's listing plans. What the window did carry about prediction markets was jurisdictional: New Jersey asked the Supreme Court to decide whether these contracts are federally regulated swaps or state-regulated gambling, and the UK financial regulator began weighing an easing of its own ban on them.