Market comparison

What will OpenAI's IPO valuation be?

2 venues · 30 outcome rows · 0 comparable lines · 0 verified parity · active

Kalshi

Open venue ↗

22 outcomes · $969K reported volume

Observed 2m ago

Recorded venue end date: Jun 1, 2027

Polymarket

Open venue ↗

8 outcomes · $446K reported volume

Observed 1m ago

Recorded venue end date: Jul 1, 2027

Check settlement rules before comparing contracts. Matched outcomes may settle differently. These venues also report end dates more than 48 hours apart; event identity does not mean the contracts close or settle together. 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.

Available outcome prices by venue for What will OpenAI's IPO valuation be?
Outcome	Kalshi	Polymarket	Difference
1.0T–$1.25T Not aligned No persisted outcome identity connects these venue contracts.	—	6.0% Bid 5.5% · Ask 6.5% $1.0T–$1.25T Open Polymarket ↗	—
1.5T–$1.75T Not aligned No persisted outcome identity connects these venue contracts.	—	22.1% Bid 21.1% · Ask 23.2% $1.5T–$1.75T Open Polymarket ↗	—
1.25T–$1.5T Not aligned No persisted outcome identity connects these venue contracts.	—	13.5% Bid 12.4% · Ask 14.5% $1.25T–$1.5T Open Polymarket ↗	—
1.75T–$2.0T Not aligned No persisted outcome identity connects these venue contracts.	—	15.0% Bid 14.0% · Ask 16.0% $1.75T–$2.0T Open Polymarket ↗	—
1T Not aligned No persisted outcome identity connects these venue contracts.	—	25.7% Bid 23.7% · Ask 27.7% <$1T Open Polymarket ↗	—
2.0T–$2.25T Not aligned No persisted outcome identity connects these venue contracts.	—	8.8% Bid 5.3% · Ask 12.3% $2.0T–$2.25T Open Polymarket ↗	—
2.5T+ Not aligned No persisted outcome identity connects these venue contracts.	—	1.8% Bid 0.3% · Ask 3.2% $2.5T+ Open Polymarket ↗	—
2.25T–$2.5T Not aligned No persisted outcome identity connects these venue contracts.	—	5.7% Bid 4.7% · Ask 6.6% $2.25T–$2.5T Open Polymarket ↗	—
Before Apr 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Apr 1, 2026 · closed Open Kalshi ↗	—	—
Before Apr 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	28.0% Bid 28.0% · Ask 29.0% Before Apr 1, 2027 Open Kalshi ↗	—	—
Before Aug 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Aug 1, 2026 · closed Open Kalshi ↗	—	—
Before Dec 1, 2025 Not aligned No persisted outcome identity connects these venue contracts.	2.0% Bid 0.0% · Ask 100.0% Before Dec 1, 2025 · closed Open Kalshi ↗	—	—
Before Dec 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	2.0% Bid 2.0% · Ask 3.0% Before Dec 1, 2026 Open Kalshi ↗	—	—
Before Feb 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Feb 1, 2026 · closed Open Kalshi ↗	—	—
Before Feb 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	12.0% Bid 9.0% · Ask 12.0% Before Feb 1, 2027 Open Kalshi ↗	—	—
Before Jan 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Jan 1, 2026 · closed Open Kalshi ↗	—	—
Before Jan 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	4.0% Bid 3.0% · Ask 4.0% Before Jan 1, 2027 Open Kalshi ↗	—	—
Before Jul 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 1.0% Before Jul 1, 2026 · closed Open Kalshi ↗	—	—
Before Jun 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Jun 1, 2026 · closed Open Kalshi ↗	—	—
Before Jun 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	50.0% Bid 49.0% · Ask 54.0% Before Jun 1, 2027 Open Kalshi ↗	—	—
Before Mar 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Mar 1, 2026 · closed Open Kalshi ↗	—	—
Before Mar 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	27.0% Bid 21.0% · Ask 27.0% Before Mar 1, 2027 Open Kalshi ↗	—	—
Before May 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before May 1, 2026 · closed Open Kalshi ↗	—	—
Before May 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	48.0% Bid 46.0% · Ask 48.0% Before May 1, 2027 Open Kalshi ↗	—	—
Before Nov 1, 2025 Not aligned No persisted outcome identity connects these venue contracts.	50.0% Bid 0.0% · Ask 100.0% Before Nov 1, 2025 · closed Open Kalshi ↗	—	—
Before Nov 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 1.0% Before Nov 1, 2026 Open Kalshi ↗	—	—
Before Oct 1, 2025 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Oct 1, 2025 · closed Open Kalshi ↗	—	—
Before Oct 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Oct 1, 2026 · closed Open Kalshi ↗	—	—
Before Sep 1, 2025 Not aligned No persisted outcome identity connects these venue contracts.	50.0% Bid 0.0% · Ask 100.0% Before Sep 1, 2025 · closed Open Kalshi ↗	—	—
Before Sep 1, 2026 Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 100.0% Before Sep 1, 2026 · closed Open Kalshi ↗	—	—

1.0T–$1.25T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

6.0%

Bid 5.5% · Ask 6.5%

$1.0T–$1.25T

Open Polymarket ↗

1.5T–$1.75T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

22.1%

Bid 21.1% · Ask 23.2%

$1.5T–$1.75T

Open Polymarket ↗

1.25T–$1.5T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

13.5%

Bid 12.4% · Ask 14.5%

$1.25T–$1.5T

Open Polymarket ↗

1.75T–$2.0T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

15.0%

Bid 14.0% · Ask 16.0%

$1.75T–$2.0T

Open Polymarket ↗

1T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

25.7%

Bid 23.7% · Ask 27.7%

<$1T

Open Polymarket ↗

2.0T–$2.25T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

8.8%

Bid 5.3% · Ask 12.3%

$2.0T–$2.25T

Open Polymarket ↗

2.5T+

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.8%

Bid 0.3% · Ask 3.2%

$2.5T+

Open Polymarket ↗

2.25T–$2.5T

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

5.7%

Bid 4.7% · Ask 6.6%

$2.25T–$2.5T

Open Polymarket ↗

Before Apr 1, 2026

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

1.0%

Bid 0.0% · Ask 100.0%

Before Apr 1, 2026 · closed

What will OpenAI's IPO valuation be?

Kalshi

Polymarket

1.0T–$1.25T

Kalshi

Polymarket

1.5T–$1.75T

Kalshi

Polymarket

1.25T–$1.5T

Kalshi

Polymarket

1.75T–$2.0T

Kalshi

Polymarket

1T

Kalshi

Polymarket

2.0T–$2.25T

Kalshi

Polymarket

2.5T+

Kalshi

Polymarket

2.25T–$2.5T

Kalshi

Polymarket

Before Apr 1, 2026

Kalshi

Polymarket

Before Apr 1, 2027

Kalshi

Polymarket

Before Aug 1, 2026

Kalshi

Polymarket

Before Dec 1, 2025

Kalshi

Polymarket

Before Dec 1, 2026

Kalshi

Polymarket

Before Feb 1, 2026

Kalshi

Polymarket

Before Feb 1, 2027

Kalshi

Polymarket

Before Jan 1, 2026

Kalshi

Polymarket

Before Jan 1, 2027

Kalshi

Polymarket

Before Jul 1, 2026

Kalshi

Polymarket

Before Jun 1, 2026

Kalshi

Polymarket

Before Jun 1, 2027

Kalshi

Polymarket

Before Mar 1, 2026

Kalshi

Polymarket

Before Mar 1, 2027

Kalshi

Polymarket

Before May 1, 2026

Kalshi

Polymarket

Before May 1, 2027

Kalshi

Polymarket

Before Nov 1, 2025

Kalshi

Polymarket

Before Nov 1, 2026

Kalshi