AI · Polymarket

Will OpenAI’s market cap be between $750B and $1T at market close on IPO day by December 31, 2027?

9.00%

Model projection: 7.4% in 14d (5.2–10.4%)-0.00pt/dayaccuracy →

Executive Briefing

Live Polymarket consensus prices "No" at 91% on "Will OpenAI’s market cap be between $750B and $1T at market close on IPO day by December 31, 2027?", backed by $1.6K in 24h trading volume.

Stats

24h Volume: $1.6K
Momentum: -0.00pt/day

Live Order Book Depth

Spread

2.0¢ (22.2%)

Mid Price

9.0¢

Total Depth (shown levels)

$193,644

Bid/Ask Imbalance

0% bid

Bids (Buy)

8.0¢2,608

7.0¢482

6.0¢976

5.0¢1,415

4.0¢100

3.0¢100

2.0¢150

1.0¢500

Asks (Sell)

10.0¢1,519

11.0¢455

12.0¢178

14.0¢175

16.0¢18

17.0¢20

18.0¢40

22.0¢95

Estimated Slippage to Buy "Yes"

walking the real book

$100 order

10.00¢0.00%

avg fill · slippage

$1,000 order

25.89¢+158.85%

avg fill · slippage

$10,000 order

67.73¢+577.26%

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?

Similar AI Markets

Polymarket

▲ 4.5024H

88.50%-770

Will OpenAI not IPO by December 31, 2026?

88.50%Live price only —
no history published

VOL $42.0K

Manifold

84.14%-531

OpenAI's latest flagship public model unavailable through a Cursor subscription on December 31, 2026?

84.14%Live price only —
no history published

VOL 142 Mana

Manifold

44.29%+126

1 month after Anthropic IPO, will their market cap be higher than launch day?

44.29%Live price only —
no history published

VOL 42 Mana

Manifold

84.79%-557

Will any model at least as good as Claude Fable 5 and 10x cheaper be released by the end of March 2027?

84.79%Live price only —
no history published

VOL 460 Mana

Manifold

30.67%+226

Openai Astra publically available before September 7th 2026

30.67%Live price only —
no history published

VOL 72 Mana

Manifold

49.55%+102

Anthropic has a profitable quarter in 2027?

49.55%Live price only —
no history published

VOL 10 Mana

Frequently Asked Questions

What is the current probability for "Will OpenAI’s market cap be between $750B and $1T at market close on IPO day by December 31, 2027?"?

As of the latest update, Polymarket prices this at 9.00%, based on $1.6K 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.