The Prediction Markets

Market comparison

Massachusetts Governor Election Margin of Victory

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

9 outcomes · $22K reported volume

Observed 56s ago

Recorded venue end date: Nov 3, 2027

Polymarket

Open venue ↗

12 outcomes · $21K reported volume

Observed 56s 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.

Democrat 0-5%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

3.1%

Bid 0.4% · Ask 5.8%

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 6.2%

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 12.4%

Democrat 15-20%

Open Polymarket ↗

Democrat 20-25%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

24.5%

Bid 21.0% · Ask 28.0%

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

10.7%

Bid 6.2% · Ask 15.1%

Democrat 30-35%

Open Polymarket ↗

Democrat 35-40%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

9.7%

Bid 0.6% · Ask 18.8%

Democrat 35-40%

Open Polymarket ↗

Democrat 40%+

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

4.3%

Bid 0.7% · Ask 7.8%

Democrat 40%+

Open Polymarket ↗

Healey, 14+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

76.0%

Bid 75.0% · Ask 86.0%

Healey, 14+ pts

Open Kalshi ↗

Polymarket

—

Healey, 17+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

70.0%

Bid 62.0% · Ask 74.0%

Healey, 17+ pts

Open Kalshi ↗

Polymarket

—

Healey, 20+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

62.0%

Bid 52.0% · Ask 62.0%

Healey, 20+ pts

Open Kalshi ↗

Polymarket

—

Healey, 23+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

47.0%

Bid 36.0% · Ask 48.0%

Healey, 23+ pts

Open Kalshi ↗

Polymarket

—

Healey, 26+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

34.0%

Bid 29.0% · Ask 34.0%

Healey, 26+ pts

Open Kalshi ↗

Polymarket

—

Healey, 29+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

11.0%

Bid 11.0% · 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 2.2% · Ask 14.0%

Healey, 32+ pts

Open Kalshi ↗

Polymarket

—

Healey, 35+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

9.2%

Bid 0.4% · Ask 9.2%

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

4.0%

Bid 3.1% · Ask 4.9%

Republican Wins

Open Polymarket ↗

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