Market comparison

Massachusetts Governor margin of victory

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

Kalshi

Open venue ↗

9 outcomes · $22K reported volume

Observed 23s ago

Recorded venue end date: Nov 3, 2027

Polymarket

Open venue ↗

12 outcomes · $20K reported volume

Observed 23s ago

Recorded venue end date: Nov 4, 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 Massachusetts Governor margin of victory
Outcome	Kalshi	Polymarket	Difference
Democrat 0-5% Not aligned No persisted outcome identity connects these venue contracts.	—	3.2% Bid 0.4% · Ask 6.0% Democrat 0-5% Open Polymarket ↗	—
Democrat 5-10% Not aligned No persisted outcome identity connects these venue contracts.	—	6.2% Bid 6.1% · Ask 6.3% Democrat 5-10% Open Polymarket ↗	—
Democrat 10-15% Not aligned No persisted outcome identity connects these venue contracts.	—	7.0% Bid 5.0% · Ask 8.9% Democrat 10-15% Open Polymarket ↗	—
Democrat 15-20% Not aligned No persisted outcome identity connects these venue contracts.	—	11.2% Bid 10.0% · Ask 12.3% Democrat 15-20% Open Polymarket ↗	—
Democrat 20-25% Not aligned No persisted outcome identity connects these venue contracts.	—	25.0% Bid 21.0% · Ask 29.0% Democrat 20-25% Open Polymarket ↗	—
Democrat 25-30% Not aligned No persisted outcome identity connects these venue contracts.	—	17.0% Bid 13.0% · Ask 21.0% Democrat 25-30% Open Polymarket ↗	—
Democrat 30-35% Not aligned No persisted outcome identity connects these venue contracts.	—	11.9% Bid 10.0% · Ask 13.9% Democrat 30-35% Open Polymarket ↗	—
Democrat 35-40% Not aligned No persisted outcome identity connects these venue contracts.	—	4.5% Bid 0.6% · Ask 8.4% Democrat 35-40% Open Polymarket ↗	—
Democrat 40%+ Not aligned No persisted outcome identity connects these venue contracts.	—	3.9% Bid 0.7% · Ask 7.1% Democrat 40%+ Open Polymarket ↗	—
Healey, 14+ pts Not aligned No persisted outcome identity connects these venue contracts.	83.0% Bid 83.0% · Ask 88.0% Healey, 14+ pts Open Kalshi ↗	—	—
Healey, 17+ pts Not aligned No persisted outcome identity connects these venue contracts.	74.0% Bid 74.0% · Ask 79.0% Healey, 17+ pts Open Kalshi ↗	—	—
Healey, 20+ pts Not aligned No persisted outcome identity connects these venue contracts.	66.0% Bid 64.0% · Ask 74.0% Healey, 20+ pts Open Kalshi ↗	—	—
Healey, 23+ pts Not aligned No persisted outcome identity connects these venue contracts.	49.0% Bid 46.0% · Ask 54.0% Healey, 23+ pts Open Kalshi ↗	—	—
Healey, 26+ pts Not aligned No persisted outcome identity connects these venue contracts.	34.0% Bid 28.0% · Ask 40.0% Healey, 26+ pts Open Kalshi ↗	—	—
Healey, 29+ pts Not aligned No persisted outcome identity connects these venue contracts.	14.0% Bid 14.0% · Ask 22.0% Healey, 29+ pts Open Kalshi ↗	—	—
Healey, 32+ pts Not aligned No persisted outcome identity connects these venue contracts.	13.0% Bid 4.0% · Ask 13.0% Healey, 32+ pts Open Kalshi ↗	—	—
Healey, 35+ pts Not aligned No persisted outcome identity connects these venue contracts.	9.9% Bid 0.4% · Ask 9.9% Healey, 35+ pts Open Kalshi ↗	—	—
Healey, 38+ pts Not aligned No persisted outcome identity connects these venue contracts.	4.6% Bid 4.0% · Ask 7.0% Healey, 38+ pts Open Kalshi ↗	—	—
Republican Wins Not aligned No persisted outcome identity connects these venue contracts.	—	2.9% Bid 2.8% · Ask 3.0% Republican Wins Open Polymarket ↗	—

Democrat 0-5%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

3.2%

Bid 0.4% · Ask 6.0%

Democrat 0-5%

Open Polymarket ↗

Democrat 5-10%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

6.2%

Bid 6.1% · Ask 6.3%

Democrat 5-10%

Open Polymarket ↗

Democrat 10-15%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

7.0%

Bid 5.0% · Ask 8.9%

Democrat 10-15%

Open Polymarket ↗

Democrat 15-20%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

11.2%

Bid 10.0% · Ask 12.3%

Democrat 15-20%

Open Polymarket ↗

Democrat 20-25%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

25.0%

Bid 21.0% · Ask 29.0%

Democrat 20-25%

Open Polymarket ↗

Democrat 25-30%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

17.0%

Bid 13.0% · Ask 21.0%

Democrat 25-30%

Open Polymarket ↗

Democrat 30-35%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

11.9%

Bid 10.0% · Ask 13.9%

Democrat 30-35%

Open Polymarket ↗

Democrat 35-40%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

4.5%

Bid 0.6% · Ask 8.4%

Democrat 35-40%

Open Polymarket ↗

Democrat 40%+

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

3.9%

Bid 0.7% · Ask 7.1%

Democrat 40%+

Open Polymarket ↗

Healey, 14+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

83.0%

Bid 83.0% · Ask 88.0%

Healey, 14+ pts

Open Kalshi ↗

Polymarket

—

Healey, 17+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

74.0%

Bid 74.0% · Ask 79.0%

Healey, 17+ pts

Open Kalshi ↗

Polymarket

—

Healey, 20+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

66.0%

Bid 64.0% · Ask 74.0%

Healey, 20+ pts

Open Kalshi ↗

Polymarket

—

Healey, 23+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

49.0%

Bid 46.0% · Ask 54.0%

Healey, 23+ pts

Open Kalshi ↗

Polymarket

—

Healey, 26+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

34.0%

Bid 28.0% · Ask 40.0%

Healey, 26+ pts

Open Kalshi ↗

Polymarket

—

Healey, 29+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

14.0%

Bid 14.0% · Ask 22.0%

Healey, 29+ pts

Open Kalshi ↗

Polymarket

—

Healey, 32+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

13.0%

Bid 4.0% · Ask 13.0%

Healey, 32+ pts

Open Kalshi ↗

Polymarket

—

Healey, 35+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

9.9%

Bid 0.4% · Ask 9.9%

Healey, 35+ pts

Open Kalshi ↗

Polymarket

—

Healey, 38+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

4.6%

Bid 4.0% · Ask 7.0%

Healey, 38+ pts

Open Kalshi ↗

Polymarket

—

Republican Wins

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

2.9%

Bid 2.8% · Ask 3.0%

Republican Wins

Open Polymarket ↗

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

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