Market comparison

Harry Potter and the Philosopher's Stone · Rotten Tomatoes score

2 venues · 15 outcome rows · 0 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

5 outcomes · $9K reported volume

Observed 44s ago

Recorded venue end date: Oct 26, 2026

Kalshi

Open venue ↗

10 outcomes · $2K reported volume

Observed 44s ago

Recorded venue end date: Dec 28, 2026

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 Harry Potter and the Philosopher's Stone · Rotten Tomatoes score
Outcome	Polymarket	Kalshi	Difference
20+ Not aligned No persisted outcome identity connects these venue contracts.	93.5% Bid 90.0% · Ask 97.0% 20+ Open Polymarket ↗	—	—
25+ Not aligned No persisted outcome identity connects these venue contracts.	50.5% Bid 31.0% · Ask 70.0% 25+ Open Polymarket ↗	—	—
30+ Not aligned No persisted outcome identity connects these venue contracts.	26.5% Bid 3.0% · Ask 50.0% 30+ Open Polymarket ↗	—	—
35+ Not aligned No persisted outcome identity connects these venue contracts.	4.0% Bid 2.0% · Ask 6.0% 35+ Open Polymarket ↗	—	—
40+ Not aligned No persisted outcome identity connects these venue contracts.	2.4% Bid 0.5% · Ask 4.2% 40+ Open Polymarket ↗	—	—
Above 45 Not aligned No persisted outcome identity connects these venue contracts.	—	66.5% Bid 33.0% · Ask 100.0% Above 45 Open Kalshi ↗	—
Above 50 Not aligned No persisted outcome identity connects these venue contracts.	—	64.5% Bid 29.0% · Ask 100.0% Above 50 Open Kalshi ↗	—
Above 55 Not aligned No persisted outcome identity connects these venue contracts.	—	96.0% Bid 27.0% · Ask 100.0% Above 55 Open Kalshi ↗	—
Above 60 Not aligned No persisted outcome identity connects these venue contracts.	—	96.0% Bid 25.0% · Ask 100.0% Above 60 Open Kalshi ↗	—
Above 65 Not aligned No persisted outcome identity connects these venue contracts.	—	95.0% Bid 70.0% · Ask 97.0% Above 65 Open Kalshi ↗	—
Above 70 Not aligned No persisted outcome identity connects these venue contracts.	—	61.0% Bid 22.0% · Ask 100.0% Above 70 Open Kalshi ↗	—
Above 75 Not aligned No persisted outcome identity connects these venue contracts.	—	95.0% Bid 42.0% · Ask 95.0% Above 75 Open Kalshi ↗	—
Above 80 Not aligned No persisted outcome identity connects these venue contracts.	—	91.0% Bid 23.0% · Ask 91.0% Above 80 Open Kalshi ↗	—
Above 85 Not aligned No persisted outcome identity connects these venue contracts.	—	85.0% Bid 27.0% · Ask 85.0% Above 85 Open Kalshi ↗	—
Above 90 Not aligned No persisted outcome identity connects these venue contracts.	—	67.0% Bid 16.0% · Ask 67.0% Above 90 Open Kalshi ↗	—

20+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

93.5%

Bid 90.0% · Ask 97.0%

20+

Open Polymarket ↗

Kalshi

—

25+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

50.5%

Bid 31.0% · Ask 70.0%

25+

Open Polymarket ↗

Kalshi

—

30+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

26.5%

Bid 3.0% · Ask 50.0%

30+

Open Polymarket ↗

Kalshi

—

35+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.0%

Bid 2.0% · Ask 6.0%

35+

Open Polymarket ↗

Kalshi

—

40+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.4%

Bid 0.5% · Ask 4.2%

40+

Open Polymarket ↗

Kalshi

—

Above 45

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

66.5%

Bid 33.0% · Ask 100.0%

Above 45

Open Kalshi ↗

Above 50

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

64.5%

Bid 29.0% · Ask 100.0%

Above 50

Open Kalshi ↗

Above 55

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

96.0%

Bid 27.0% · Ask 100.0%

Above 55

Open Kalshi ↗

Above 60

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

96.0%

Bid 25.0% · Ask 100.0%

Above 60

Open Kalshi ↗

Above 65

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

95.0%

Bid 70.0% · Ask 97.0%

Above 65

Open Kalshi ↗

Above 70

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

61.0%

Bid 22.0% · Ask 100.0%

Above 70

Open Kalshi ↗

Above 75

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

95.0%

Bid 42.0% · Ask 95.0%

Above 75

Open Kalshi ↗

Above 80

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

91.0%

Bid 23.0% · Ask 91.0%

Above 80

Open Kalshi ↗

Above 85

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

85.0%

Bid 27.0% · Ask 85.0%

Above 85

Open Kalshi ↗

Above 90

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

67.0%

Bid 16.0% · Ask 67.0%

Above 90

Open Kalshi ↗

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

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