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Updated 28 min. ago

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

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

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10 %

chance

▼ −0.5%1h▼ −4.0%24h▲ +2.0%1W
Yes 10¢No 91¢

OpenAI IPO Closing Market Cap

7 outcomes
See all 7 outcomes

Total volume

$61.8K

24h vol.

$4.2K

1w vol.

$8.7K

1m vol.

$32.6K

Liquidity

$14.6K

Bid / Ask

9¢ / 10¢

Spread 1¢

Last trade

10¢

Start date

Feb 6, 2026

End date

Jan 1, 2028

ends in 1 yr.

How reliable is this price range?

Of 1,182 resolved Polymarket markets across all topics priced 5–15% seven days before resolution, 13.7% resolved YES. That is 4.0 points more often than their average price of 9.7% implied — prices in this range have tended to run low.

This topic alone has too few resolved cases in this range, so all topics are shown.

A historical frequency for the price range, not a probability for this market and not advice. How we measure this

Orderbook

Spread: 2¢
Bids (buy)Size
9¢$2,345
8¢$856
7¢$713
6¢$459
5¢$500
4¢$390
3¢$867
2¢$831
1¢$2,361
Asks (sell)Size
11¢$364
12¢$1,200
14¢$319
16¢$100
17¢$443
27¢$268
28¢$504
29¢$340
30¢$367
31¢$231

Snapshot from cache

✦ AI assessment

Generate structured research

uses 1 credit

Recent trades (50)

Buys 55%Sells 45%
Recent trades with time, side, price and size.
TimeSidePriceSize
2 hr. agoBuy10¢30
2 hr. agoBuy90¢30
2 hr. agoBuy10¢128
2 hr. agoSell10¢10
2 hr. agoSell10¢118
3 hr. agoBuy10¢56
3 hr. agoSell10¢56
5 hr. agoSell8¢0
5 hr. agoSell92¢0
5 hr. agoBuy10¢157
5 hr. agoSell10¢30
5 hr. agoSell10¢6
5 hr. agoSell10¢121
7 hr. agoSell7¢0
7 hr. agoBuy7¢0
7 hr. agoBuy9¢48
7 hr. agoSell9¢43
7 hr. agoBuy91¢5
20 hr. agoSell7¢609
20 hr. agoBuy7¢509
20 hr. agoBuy7¢100
20 hr. agoSell8¢16
20 hr. agoBuy8¢16
21 hr. agoSell90¢0
21 hr. agoSell10¢0
21 hr. agoSell90¢16
21 hr. agoSell10¢16
21 hr. agoSell10¢660
21 hr. agoBuy10¢560
21 hr. agoBuy10¢100
21 hr. agoBuy89¢306
21 hr. agoBuy11¢77
21 hr. agoBuy11¢229
21 hr. agoSell13¢1,851
21 hr. agoBuy12¢220
21 hr. agoBuy12¢290
21 hr. agoBuy12¢111
21 hr. agoBuy12¢100
21 hr. agoSell88¢5
21 hr. agoBuy13¢200
21 hr. agoBuy13¢625
21 hr. agoBuy13¢100
21 hr. agoSell87¢200
21 hr. agoBuy89¢111
21 hr. agoBuy11¢111
21 hr. agoBuy89¢200
21 hr. agoBuy11¢100
21 hr. agoBuy11¢100
1 day agoBuy14¢21
1 day agoSell14¢21

◆ Smart money

Do the pros know something the price doesn't?

Positioning of the wallets whose track record actually holds up — not simply the largest ones.

A signal is present in this market.

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Smart money is a Pro+ feature

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◆ Kalshi comparison

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The closest matching market on Kalshi, a regulated US prediction exchange — spot price gaps between the two venues.

Kalshi comparison is a Pro+ feature

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