OpenAI IPO closing market cap above ___ ?
Polymarket traders put "$800B" at 82.5% on "OpenAI IPO closing market cap above ___ ?". $32 traded in the last 24 hours. There are 5 possible outcomes. It resolves on Dec 31.
Most likely right now
$800B
–83%
EconomyVol $32Total volume $1.5MLiquidity $27KComments 2in 1.3 years (Dec 31)
Current probability
Aug 26 · right column is the 24-hour change (pp)
0%50%100%
$800B
82.5%
–
$1T
75.5%
–
$1.2T
64.0%
▲3.5
$1.4T
55.0%
▲0.5
$1.6T
42.5%
–
Probability over time
$800B
$1T
$1.2T
$1.4T
$1.6T
2026-08-25 ~ 2026-08-26 · y-axis %
