'28
OpenAI IPO Closing Market Cap
resolves Jan 1, 2028 · source: Polymarket
24H VOLUME
$0
TRADERS
0
PRACTICE MODE · LIVE
CHANCE OVER TIME
ILLUSTRATIVE
24H
7D
30D
90D
1.5T+ 64%
No IPO by December 31, 2027 4%
1T–1.25T 10%
750B–1T 8%
1.25T–1.5T 1%
500–750B 12%
<500B 0.5%
Someone else 0.5%
OUTCOME
CHANCE
BUY
15
1.5T+
LEADER
no 24h history yet
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 64.06¢
NO 35.94¢
N2
No IPO by December 31, 2027
no 24h history yet
0
1
2
3
4
5
6
7
8
9
%
YES 4.35¢
NO 95.65¢
12
1T–1.25T
no 24h history yet
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 10.39¢
NO 89.61¢
75
750B–1T
no 24h history yet
0
1
2
3
4
5
6
7
8
9
%
YES 7.54¢
NO 92.46¢
15
1.25T–1.5T
no 24h history yet
0
1
2
3
4
5
6
7
8
9
%
YES 2¢
NO 97¢
50
500–750B
no 24h history yet
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 11.59¢
NO 88.41¢
<5
<500B
no 24h history yet
0
1
2
3
4
5
6
7
8
9
.
0
1
2
3
4
5
6
7
8
9
%
YES 2¢
NO 97¢
SE
Someone else
no 24h history yet
0
1
2
3
4
5
6
7
8
9
.
0
1
2
3
4
5
6
7
8
9
%
YES 2¢
NO 97¢
prices in ¢ = the chance · a winning share pays $1
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PLACE A TRADE · PRACTICE
fee 5% at settlement
15
1.5T+
chance
64%
YES · 64.06¢
NO · 35.94¢
STAKE
$25
$100
$250
$500
shares @ 64.06¢
156.1
if 1.5T+ wins
+$48 profit
estimate — the final price is set when you buy
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predictbay.io
15
1.5T+
YES 64.06¢ · NO 35.94¢ · chance 64%
TRADE
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