Market comparison

Massachusetts's 3rd District margin of victory

2 venues · 21 outcome rows · 0 comparable lines · event identity linked · 0 verified parity · active

Polymarket

Open venue ↗

13 outcomes · $13K reported volume

Observed 53s ago

Recorded venue end date: Nov 4, 2026

Kalshi

Open venue ↗

11 outcomes · $1K reported volume

Observed 53s 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 Massachusetts's 3rd District margin of victory
Outcome	Polymarket	Kalshi	Difference
Democrat 0-5% Not aligned No persisted outcome identity connects these venue contracts.	0.1% Bid 0.1% · Ask 0.2% Democrat 0-5% Open Polymarket ↗	—	—
Democrat 5-15% Not aligned No persisted outcome identity connects these venue contracts.	0.1% Bid 0.1% · Ask 0.2% Democrat 5-15% Open Polymarket ↗	—	—
Democrat 15-20% Not aligned No persisted outcome identity connects these venue contracts.	0.6% Bid 0.2% · Ask 1.0% Democrat 15-20% Open Polymarket ↗	—	—
Democrat 20-25% Not aligned No persisted outcome identity connects these venue contracts.	4.0% Bid 1.0% · Ask 7.0% Democrat 20-25% Open Polymarket ↗	—	—
Democrat 25-30% Not aligned No persisted outcome identity connects these venue contracts.	10.0% Bid 8.0% · Ask 12.0% Democrat 25-30% Open Polymarket ↗	—	—
Democrat 30-35% Not aligned No persisted outcome identity connects these venue contracts.	14.0% Bid 5.0% · Ask 23.0% Democrat 30-35% Open Polymarket ↗	—	—
Democrat 35-40% Not aligned No persisted outcome identity connects these venue contracts.	27.5% Bid 24.0% · Ask 31.0% Democrat 35-40% Open Polymarket ↗	—	—
Democrat 40-45% Not aligned No persisted outcome identity connects these venue contracts.	34.0% Bid 23.0% · Ask 45.0% Democrat 40-45% Open Polymarket ↗	—	—
Democrat 45%+ Not aligned No persisted outcome identity connects these venue contracts.	3.0% Bid 0.9% · Ask 5.1% Democrat 45%+ Open Polymarket ↗	—	—
Republican Wins Not aligned No persisted outcome identity connects these venue contracts.	0.4% Bid 0.1% · Ask 0.7% Republican Wins Open Polymarket ↗	—	—
Trahan, 16+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	93.1% Bid 93.1% · Ask 99.2% Trahan, 16+ pts Open Kalshi ↗	—
Trahan, 19+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	95.5% Bid 91.7% · Ask 99.2% Trahan, 19+ pts Open Kalshi ↗	—
Trahan, 22+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	89.0% Bid 89.0% · Ask 99.1% Trahan, 22+ pts Open Kalshi ↗	—
Trahan, 25+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	86.0% Bid 84.0% · Ask 94.9% Trahan, 25+ pts Open Kalshi ↗	—
Trahan, 28+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	74.0% Bid 74.0% · Ask 85.0% Trahan, 28+ pts Open Kalshi ↗	—
Trahan, 31+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	61.0% Bid 61.0% · Ask 72.0% Trahan, 31+ pts Open Kalshi ↗	—
Trahan, 34+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	53.0% Bid 47.0% · Ask 58.0% Trahan, 34+ pts Open Kalshi ↗	—
Trahan, 37+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	33.0% Bid 33.0% · Ask 44.0% Trahan, 37+ pts Open Kalshi ↗	—
Trahan, 40+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	25.0% Bid 22.0% · Ask 31.0% Trahan, 40+ pts Open Kalshi ↗	—
Trahan, 43+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	11.9% Bid 6.8% · Ask 17.0% Trahan, 43+ pts Open Kalshi ↗	—
Trahan, 46+ pts Not aligned No persisted outcome identity connects these venue contracts.	—	5.4% Bid 1.0% · Ask 9.8% Trahan, 46+ pts Open Kalshi ↗	—

Democrat 0-5%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid 0.1% · Ask 0.2%

Democrat 0-5%

Open Polymarket ↗

Kalshi

—

Democrat 5-15%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid 0.1% · Ask 0.2%

Democrat 5-15%

Open Polymarket ↗

Kalshi

—

Democrat 15-20%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.6%

Bid 0.2% · Ask 1.0%

Democrat 15-20%

Open Polymarket ↗

Kalshi

—

Democrat 20-25%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.0%

Bid 1.0% · Ask 7.0%

Democrat 20-25%

Open Polymarket ↗

Kalshi

—

Democrat 25-30%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

10.0%

Bid 8.0% · Ask 12.0%

Democrat 25-30%

Open Polymarket ↗

Kalshi

—

Democrat 30-35%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

14.0%

Bid 5.0% · Ask 23.0%

Democrat 30-35%

Open Polymarket ↗

Kalshi

—

Democrat 35-40%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

27.5%

Bid 24.0% · Ask 31.0%

Democrat 35-40%

Open Polymarket ↗

Kalshi

—

Democrat 40-45%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

34.0%

Bid 23.0% · Ask 45.0%

Democrat 40-45%

Open Polymarket ↗

Kalshi

—

Democrat 45%+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

3.0%

Bid 0.9% · Ask 5.1%

Democrat 45%+

Open Polymarket ↗

Kalshi

—

Republican Wins

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.4%

Bid 0.1% · Ask 0.7%

Republican Wins

Open Polymarket ↗

Kalshi

—

Trahan, 16+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

93.1%

Bid 93.1% · Ask 99.2%

Trahan, 16+ pts

Open Kalshi ↗

Trahan, 19+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

95.5%

Bid 91.7% · Ask 99.2%

Trahan, 19+ pts

Open Kalshi ↗

Trahan, 22+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

89.0%

Bid 89.0% · Ask 99.1%

Trahan, 22+ pts

Open Kalshi ↗

Trahan, 25+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

86.0%

Bid 84.0% · Ask 94.9%

Trahan, 25+ pts

Open Kalshi ↗

Trahan, 28+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

74.0%

Bid 74.0% · Ask 85.0%

Trahan, 28+ pts

Open Kalshi ↗

Trahan, 31+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

61.0%

Bid 61.0% · Ask 72.0%

Trahan, 31+ pts

Open Kalshi ↗

Trahan, 34+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

53.0%

Bid 47.0% · Ask 58.0%

Trahan, 34+ pts

Open Kalshi ↗

Trahan, 37+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

33.0%

Bid 33.0% · Ask 44.0%

Trahan, 37+ pts

Open Kalshi ↗

Trahan, 40+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

25.0%

Bid 22.0% · Ask 31.0%

Trahan, 40+ pts

Open Kalshi ↗

Trahan, 43+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

11.9%

Bid 6.8% · Ask 17.0%

Trahan, 43+ pts

Open Kalshi ↗

Trahan, 46+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

5.4%

Bid 1.0% · Ask 9.8%

Trahan, 46+ pts

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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