Market comparison

OpenAI announces another Millennium Prize solution by...?

2 venues · 6 outcome rows · 0 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

3 outcomes · $935K reported volume

Observed 1m ago

Recorded venue end date: Jan 1, 2027

Kalshi

Open venue ↗

4 outcomes · $119K reported volume

Observed 1m ago

Observed 10s ago

Recorded venue end date: Jan 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 OpenAI announces another Millennium Prize solution by...?
Outcome	Polymarket	Kalshi	Difference
Before Jan 1, 2027 Not aligned No persisted outcome identity connects these venue contracts.	—	16.0% Bid 16.0% · Ask 17.0% Before Jan 1, 2027 Open Kalshi ↗ 23.0% Bid 20.0% · Ask 23.0% Before Jan 1, 2027 Open Kalshi ↗	—
Before Jan 1, 2028 Not aligned No persisted outcome identity connects these venue contracts.	—	63.0% Bid 60.0% · Ask 66.0% Before Jan 1, 2028 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 ↗	—
December 31, 2026 Not aligned No persisted outcome identity connects these venue contracts.	15.5% Bid 15.0% · Ask 16.0% December 31, 2026 Open Polymarket ↗	—	—
December 31, 2027 Not aligned No persisted outcome identity connects these venue contracts.	51.5% Bid 51.0% · Ask 52.0% December 31, 2027 Open Polymarket ↗	—	—
September 30, 2026 Not aligned No persisted outcome identity connects these venue contracts.	0.0% Bid — · Ask 0.1% September 30, 2026 · closed Open Polymarket ↗	—	—

Before Jan 1, 2027

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

16.0%

Bid 16.0% · Ask 17.0%

Before Jan 1, 2027

Open Kalshi ↗

23.0%

Bid 20.0% · Ask 23.0%

Before Jan 1, 2027

Open Kalshi ↗

Before Jan 1, 2028

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

63.0%

Bid 60.0% · Ask 66.0%

Before Jan 1, 2028

Open Kalshi ↗

Before Oct 1, 2026

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

1.0%

Bid 0.0% · Ask 100.0%

Before Oct 1, 2026 · closed

Open Kalshi ↗

December 31, 2026

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

15.5%

Bid 15.0% · Ask 16.0%

December 31, 2026

Open Polymarket ↗

Kalshi

—

December 31, 2027

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

51.5%

Bid 51.0% · Ask 52.0%

December 31, 2027

Open Polymarket ↗

Kalshi

—

September 30, 2026

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.0%

Bid — · Ask 0.1%

September 30, 2026 · closed

Open Polymarket ↗

Kalshi

—

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

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