The Prediction Markets

Market comparison

OpenAI IPO Closing Market Cap

1 venue · 7 outcome rows · 0 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

7 outcomes · $541K reported volume

Observed 26s ago

Recorded venue end date: Jan 1, 2028

Check settlement rules before comparing contracts. Matched outcomes may settle differently. These are stored prices; record update times do not certify live quotes. Differences exclude fees and available size.

No shared outcome identities or comparable outcome lines are available for this event. Each venue’s outcomes are listed separately.

1.5T+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

43.1%

Bid 42.2% · Ask 44.1%

1.5T+

Open Polymarket ↗

1.25T–1.5T

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

8.0%

Bid 7.0% · Ask 9.0%

1.25T–1.5T

Open Polymarket ↗

1T–1.25T

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

5.9%

Bid 5.3% · Ask 6.5%

1T–1.25T

Open Polymarket ↗

500–750B

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.2%

Bid 1.8% · Ask 2.6%

500–750B

Open Polymarket ↗

500B

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.2%

Bid 1.7% · Ask 2.7%

<500B

Open Polymarket ↗

750B–1T

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.9%

Bid 2.9% · Ask 3.0%

750B–1T

Open Polymarket ↗

No IPO by December 31, 2027

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

26.4%

Bid 26.2% · Ask 26.5%

No IPO by December 31, 2027

Open Polymarket ↗

Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.

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