Market comparison

Pennsylvania's 8th District margin of victory

2 venues · 19 outcome rows · 0 comparable lines · event identity linked · 0 verified parity · active

Polymarket

Open venue ↗

13 outcomes · $16K reported volume

Observed 51s ago

Recorded venue end date: Nov 4, 2026

Kalshi

Open venue ↗

9 outcomes · $11K reported volume

Observed 3m ago

Observed 1m ago

Recorded venue end date: Nov 3, 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 Pennsylvania's 8th District margin of victory
Outcome	Polymarket	Kalshi	Difference
Bresnahan, 1+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	22.0% Bid 17.0% · Ask 22.0% Bresnahan, 1+ pts Open Kalshi ↗	—
Bresnahan, 4+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	18.0% Bid 6.2% · Ask 18.0% Bresnahan, 4+ pts Open Kalshi ↗	—
Bresnahan, 7+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	10.0% Bid 0.1% · Ask 10.0% Bresnahan, 7+ pts Open Kalshi ↗	—
Bresnahan, 10+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	8.6% Bid 0.0% · Ask 8.6% Bresnahan, 10+ pts Open Kalshi ↗	—
Cognetti, 2+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	71.0% Bid 62.0% · Ask 71.0% Cognetti, 2+ pts Open Kalshi ↗	—
Cognetti, 5+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	47.0% Bid 46.0% · Ask 56.0% Cognetti, 5+ pts Open Kalshi ↗	—
Cognetti, 8+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	32.0% Bid 31.0% · Ask 41.0% Cognetti, 8+ pts Open Kalshi ↗	—
Cognetti, 11+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	23.0% Bid 17.0% · Ask 29.0% Cognetti, 11+ pts Open Kalshi ↗	—
Cognetti, 14+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	7.9% Bid 7.9% · Ask 19.0% Cognetti, 14+ pts Open Kalshi ↗	—
Democrat 0-3% Not aligned No persisted outcome identity connects these venue contracts.	18.5% Bid 17.0% · Ask 20.0% Republican 0-3% Open Polymarket ↗	—	—
Democrat 0-3% Not aligned No persisted outcome identity connects these venue contracts.	18.0% Bid 15.0% · Ask 21.0% Democrat 0-3% Open Polymarket ↗	—	—
Democrat 3-6% Not aligned No persisted outcome identity connects these venue contracts.	17.3% Bid 17.3% · Ask 17.4% Democrat 3-6% Open Polymarket ↗	—	—
Democrat 3-6% Not aligned No persisted outcome identity connects these venue contracts.	5.1% Bid 0.9% · Ask 9.3% Republican 3-6% Open Polymarket ↗	—	—
Democrat 6-9% Not aligned No persisted outcome identity connects these venue contracts.	12.3% Bid 1.9% · Ask 22.8% Republican 6-9% Open Polymarket ↗	—	—
Democrat 6-9% Not aligned No persisted outcome identity connects these venue contracts.	7.0% Bid 4.0% · Ask 10.0% Democrat 6-9% Open Polymarket ↗	—	—
Democrat 9-12% Not aligned No persisted outcome identity connects these venue contracts.	7.4% Bid 3.8% · Ask 11.0% Democrat 9-12% Open Polymarket ↗	—	—
Democrat 9-12% Not aligned No persisted outcome identity connects these venue contracts.	4.6% Bid 1.1% · Ask 8.1% Republican 9-12% Open Polymarket ↗	—	—
Democrat 12%+ Not aligned No persisted outcome identity connects these venue contracts.	7.0% Bid 5.0% · Ask 9.0% Democrat 12%+ Open Polymarket ↗	—	—
Democrat 12%+ Not aligned No persisted outcome identity connects these venue contracts.	0.1% Bid 0.1% · Ask 0.2% Republican 12%+ Open Polymarket ↗	—	—

Bresnahan, 1+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

22.0%

Bid 17.0% · Ask 22.0%

Bresnahan, 1+ pts

Open Kalshi ↗

Bresnahan, 4+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

18.0%

Bid 6.2% · Ask 18.0%

Bresnahan, 4+ pts

Open Kalshi ↗

Bresnahan, 7+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

10.0%

Bid 0.1% · Ask 10.0%

Bresnahan, 7+ pts

Open Kalshi ↗

Bresnahan, 10+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

8.6%

Bid 0.0% · Ask 8.6%

Bresnahan, 10+ pts

Open Kalshi ↗

Cognetti, 2+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

71.0%

Bid 62.0% · Ask 71.0%

Cognetti, 2+ pts

Open Kalshi ↗

Cognetti, 5+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

47.0%

Bid 46.0% · Ask 56.0%

Cognetti, 5+ pts

Open Kalshi ↗

Cognetti, 8+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

32.0%

Bid 31.0% · Ask 41.0%

Cognetti, 8+ pts

Open Kalshi ↗

Cognetti, 11+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

23.0%

Bid 17.0% · Ask 29.0%

Cognetti, 11+ pts

Open Kalshi ↗

Cognetti, 14+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

7.9%

Bid 7.9% · Ask 19.0%

Cognetti, 14+ pts

Open Kalshi ↗

Democrat 0-3%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

18.5%

Bid 17.0% · Ask 20.0%

Republican 0-3%

Open Polymarket ↗

Kalshi

—

Democrat 0-3%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

18.0%

Bid 15.0% · Ask 21.0%

Democrat 0-3%

Open Polymarket ↗

Kalshi

—

Democrat 3-6%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

17.3%

Bid 17.3% · Ask 17.4%

Democrat 3-6%

Open Polymarket ↗

Kalshi

—

Democrat 3-6%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

5.1%

Bid 0.9% · Ask 9.3%

Republican 3-6%

Open Polymarket ↗

Kalshi

—

Democrat 6-9%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

12.3%

Bid 1.9% · Ask 22.8%

Republican 6-9%

Open Polymarket ↗

Kalshi

—

Democrat 6-9%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

7.0%

Bid 4.0% · Ask 10.0%

Democrat 6-9%

Open Polymarket ↗

Kalshi

—

Democrat 9-12%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

7.4%

Bid 3.8% · Ask 11.0%

Democrat 9-12%

Open Polymarket ↗

Kalshi

—

Democrat 9-12%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.6%

Bid 1.1% · Ask 8.1%

Republican 9-12%

Open Polymarket ↗

Kalshi

—

Democrat 12%+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

7.0%

Bid 5.0% · Ask 9.0%

Democrat 12%+

Open Polymarket ↗

Kalshi

—

Democrat 12%+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid 0.1% · Ask 0.2%

Republican 12%+

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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