Market comparison

CO-07 House Election Margin of Victory

2 venues · 18 outcome rows · 0 comparable lines · event identity linked · 0 verified parity · active

Polymarket

Open venue ↗

12 outcomes · $15K reported volume

Observed 1m ago

Recorded venue end date: Nov 4, 2026

Kalshi

Open venue ↗

9 outcomes · $1K reported volume

Observed 35s 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 CO-07 House Election Margin of Victory
Outcome	Polymarket	Kalshi	Difference
Democrat 0-10% Not aligned No persisted outcome identity connects these venue contracts.	4.9% Bid 0.8% · Ask 8.9% Democrat 0-10% Open Polymarket ↗	—	—
Democrat 10-15% Not aligned No persisted outcome identity connects these venue contracts.	0.7% Bid 0.3% · Ask 1.1% Democrat 10-15% Open Polymarket ↗	—	—
Democrat 15-20% Not aligned No persisted outcome identity connects these venue contracts.	6.4% Bid 3.7% · Ask 9.1% Democrat 15-20% Open Polymarket ↗	—	—
Democrat 20-25% Not aligned No persisted outcome identity connects these venue contracts.	35.5% Bid 35.0% · Ask 36.0% Democrat 20-25% Open Polymarket ↗	—	—
Democrat 25-30% Not aligned No persisted outcome identity connects these venue contracts.	33.0% Bid 30.0% · Ask 36.0% Democrat 25-30% Open Polymarket ↗	—	—
Democrat 30-35% Not aligned No persisted outcome identity connects these venue contracts.	20.4% Bid 19.8% · Ask 21.1% Democrat 30-35% Open Polymarket ↗	—	—
Democrat 35-40% Not aligned No persisted outcome identity connects these venue contracts.	5.3% Bid 1.4% · Ask 9.2% Democrat 35-40% Open Polymarket ↗	—	—
Democrat 40%+ Not aligned No persisted outcome identity connects these venue contracts.	4.4% Bid 0.9% · Ask 7.9% Democrat 40%+ Open Polymarket ↗	—	—
Pettersen, 12+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	95.3% Bid 90.0% · Ask 95.3% Pettersen, 12+ pts Open Kalshi ↗	—
Pettersen, 15+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	86.0% Bid 85.0% · Ask 96.6% Pettersen, 15+ pts Open Kalshi ↗	—
Pettersen, 18+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	78.0% Bid 78.0% · Ask 88.0% Pettersen, 18+ pts Open Kalshi ↗	—
Pettersen, 21+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	68.0% Bid 68.0% · Ask 79.0% Pettersen, 21+ pts Open Kalshi ↗	—
Pettersen, 24+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	56.0% Bid 55.0% · Ask 66.0% Pettersen, 24+ pts Open Kalshi ↗	—
Pettersen, 27+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	45.0% Bid 41.0% · Ask 52.0% Pettersen, 27+ pts Open Kalshi ↗	—
Pettersen, 30+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	35.0% Bid 27.0% · Ask 38.0% Pettersen, 30+ pts Open Kalshi ↗	—
Pettersen, 33+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	19.5% Bid 15.0% · Ask 24.0% Pettersen, 33+ pts Open Kalshi ↗	—
Pettersen, 36+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	14.0% Bid 6.0% · Ask 14.0% Pettersen, 36+ pts Open Kalshi ↗	—
Republican Wins Not aligned No persisted outcome identity connects these venue contracts.	0.5% Bid 0.1% · Ask 0.9% Republican Wins Open Polymarket ↗	—	—

Democrat 0-10%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.9%

Bid 0.8% · Ask 8.9%

Democrat 0-10%

Open Polymarket ↗

Kalshi

—

Democrat 10-15%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.7%

Bid 0.3% · Ask 1.1%

Democrat 10-15%

Open Polymarket ↗

Kalshi

—

Democrat 15-20%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

6.4%

Bid 3.7% · Ask 9.1%

Democrat 15-20%

Open Polymarket ↗

Kalshi

—

Democrat 20-25%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

35.5%

Bid 35.0% · Ask 36.0%

Democrat 20-25%

Open Polymarket ↗

Kalshi

—

Democrat 25-30%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

33.0%

Bid 30.0% · Ask 36.0%

Democrat 25-30%

Open Polymarket ↗

Kalshi

—

Democrat 30-35%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

20.4%

Bid 19.8% · Ask 21.1%

Democrat 30-35%

Open Polymarket ↗

Kalshi

—

Democrat 35-40%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

5.3%

Bid 1.4% · Ask 9.2%

Democrat 35-40%

Open Polymarket ↗

Kalshi

—

Democrat 40%+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.4%

Bid 0.9% · Ask 7.9%

Democrat 40%+

Open Polymarket ↗

Kalshi

—

Pettersen, 12+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

95.3%

Bid 90.0% · Ask 95.3%

Pettersen, 12+ pts

Open Kalshi ↗

Pettersen, 15+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

86.0%

Bid 85.0% · Ask 96.6%

Pettersen, 15+ pts

Open Kalshi ↗

Pettersen, 18+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

78.0%

Bid 78.0% · Ask 88.0%

Pettersen, 18+ pts

Open Kalshi ↗

Pettersen, 21+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

68.0%

Bid 68.0% · Ask 79.0%

Pettersen, 21+ pts

Open Kalshi ↗

Pettersen, 24+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

56.0%

Bid 55.0% · Ask 66.0%

Pettersen, 24+ pts

Open Kalshi ↗

Pettersen, 27+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

45.0%

Bid 41.0% · Ask 52.0%

Pettersen, 27+ pts

Open Kalshi ↗

Pettersen, 30+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

35.0%

Bid 27.0% · Ask 38.0%

Pettersen, 30+ pts

Open Kalshi ↗

Pettersen, 33+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

19.5%

Bid 15.0% · Ask 24.0%

Pettersen, 33+ pts

Open Kalshi ↗

Pettersen, 36+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

14.0%

Bid 6.0% · Ask 14.0%

Pettersen, 36+ pts

Open Kalshi ↗

Republican Wins

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.5%

Bid 0.1% · Ask 0.9%

Republican Wins

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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