'28
OpenAI IPO Closing Market Cap
resolves Jan 1, 2028 · source: Polymarket
24H VOLUME
$0
TRADERS
0
PAPER MODE · LIVE
IMPLIED PROBABILITY · 90 DAYS
1.5T+ 13%
No IPO by December 31, 2027 13%
1T–1.25T 13%
750B–1T 13%
1.25T–1.5T 13%
500–750B 13%
<500B 13%
Someone else 13%
OUTCOME
CHANCE
BUY
15
1.5T+
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
N2
No IPO by December 31, 2027
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
12
1T–1.25T
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
75
750B–1T
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
15
1.25T–1.5T
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
50
500–750B
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
<5
<500B
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
SE
Someone else
+0.0pt today
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
%
YES 12.5¢
NO 87.5¢
prices in ¢ = implied probability · a winning share redeems for $1
paper book · chances always sum to 100%
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ORDER TICKET · PAPER
fee 5% at settlement
15
1.5T+
chance
13%
· pick an outcome on the left
YES · 12.5¢
NO · 87.5¢
STAKE
$25
$100
$250
$500
shares @ 12.5¢
800.0
if 1.5T+ wins
+$660 profit
estimate — the server prices the fill, including your own impact
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Paper balance only — nothing at risk. A winning share redeems for $1 at settlement; sell any time before.
MY POSITIONS
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✦
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ACTIVITY
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predictbay.io
Paper mode only — no real funds · outcomes and resolution rules are sourced from Polymarket; prices are set entirely by trading here
15
1.5T+
YES 12.5¢ · NO 87.5¢ · chance 13%
TICKET
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