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AI · Polymarket

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

Trade on Polymarket →
13.50%
Mon 03Wed 05Fri 07Aug 09Tue 11Thu 13Sat 15Mon 17Wed 19Fri 21Aug 23Tue 25Thu 27Sat 29Mon 31SeptemberThu 03Sat 05Mon 07Wed 09Fri 11Sep 13810121416182022242628%13.50%MODEL PROJECTION
Model projection: 12.9% in 14d (10.2–16.1%)-0.00pt/dayaccuracy →

Stats

24h Volume
$13.8K
Momentum
-0.00pt/day

Live Order Book Depth

Spread
1.0¢ (7.4%)
Mid Price
13.5¢
Total Depth
$180,215
Bid/Ask Imbalance
0% bid
Bids (Buy)
13.0¢20
11.0¢716
10.0¢920
9.0¢100
6.0¢20
5.0¢140
4.0¢100
3.0¢40
Asks (Sell)
14.0¢437
15.0¢1,908
16.0¢100
17.0¢72
19.0¢442
21.0¢114
22.0¢132
23.0¢50
Estimated Slippage to Buy "Yes"
walking the real book
$100 order
14.37¢+2.66%
avg fill · slippage
$1,000 order
23.70¢+69.28%
avg fill · slippage
$10,000 order
65.04¢+364.55%
avg fill · slippage

Compare Across Platforms

Not listed on another platform we track — but this looks like it might be the same real-world bet (unconfirmed):

ManifoldOpenAI's latest flagship public model unavailable through a Cursor subscription on December 31, 2026?
84.14%
Same bet?

Frequently Asked Questions

What is the current probability for "Will OpenAI’s market cap be between $1.25T and $1.5T at market close on IPO day by December 31, 2027?"?

As of the latest update, Polymarket prices this at 13.50%, based on $13.8K in tracked 24h trading volume.

When does this market close?

This contract is scheduled to resolve on or around January 1, 2028, per Polymarket's listed close time.

Where can I trade this market?

This contract trades live on Polymarket. You can view the live order book and trade it directly at the source link on this page.

Is this market listed on other prediction platforms?

Not currently listed on another platform PredictRankd tracks (Kalshi, Manifold, PredictIt, Limitless, Smarkets, Futuur), or no confidently-verified match was found.