Market comparison

Massachusetts Senate Election: Turnout

2 venues · 20 outcome rows · 0 comparable lines · event identity linked · 0 verified parity · active

Polymarket

Open venue ↗

8 outcomes · $11K reported volume

Observed 2m ago

Recorded venue end date: Nov 4, 2026

Kalshi

Open venue ↗

12 outcomes · $1K reported volume

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 Massachusetts Senate Election: Turnout
Outcome	Polymarket	Kalshi	Difference
2.2M Not aligned No persisted outcome identity connects these venue contracts.	2.9% Bid 1.0% · Ask 4.9% <2.2M Open Polymarket ↗	—	—
2.2M-2.35M Not aligned No persisted outcome identity connects these venue contracts.	13.9% Bid 7.7% · Ask 20.0% 2.2M-2.35M Open Polymarket ↗	—	—
2.5M-2.65M Not aligned No persisted outcome identity connects these venue contracts.	17.0% Bid 13.0% · Ask 21.0% 2.5M-2.65M Open Polymarket ↗	—	—
2.8M-2.95M Not aligned No persisted outcome identity connects these venue contracts.	24.0% Bid 21.0% · Ask 27.0% 2.8M-2.95M Open Polymarket ↗	—	—
2.35M-2.5M Not aligned No persisted outcome identity connects these venue contracts.	4.7% Bid 0.6% · Ask 8.8% 2.35M-2.5M Open Polymarket ↗	—	—
2.65M-2.8M Not aligned No persisted outcome identity connects these venue contracts.	16.0% Bid 10.0% · Ask 22.0% 2.65M-2.8M Open Polymarket ↗	—	—
2.95M-3.1M Not aligned No persisted outcome identity connects these venue contracts.	20.0% Bid 10.0% · Ask 30.0% 2.95M-3.1M Open Polymarket ↗	—	—
3.1M+ Not aligned No persisted outcome identity connects these venue contracts.	15.0% Bid 10.1% · Ask 19.9% 3.1M+ Open Polymarket ↗	—	—
Above 2.00M Not aligned No persisted outcome identity connects these venue contracts.	—	94.5% Bid 90.0% · Ask 99.0% Above 2.00M Open Kalshi ↗	—
Above 2.20M Not aligned No persisted outcome identity connects these venue contracts.	—	88.0% Bid 81.0% · Ask 93.0% Above 2.20M Open Kalshi ↗	—
Above 2.40M Not aligned No persisted outcome identity connects these venue contracts.	—	78.0% Bid 67.0% · Ask 79.0% Above 2.40M Open Kalshi ↗	—
Above 2.60M Not aligned No persisted outcome identity connects these venue contracts.	—	60.0% Bid 51.0% · Ask 62.0% Above 2.60M Open Kalshi ↗	—
Above 2.80M Not aligned No persisted outcome identity connects these venue contracts.	—	44.0% Bid 32.0% · Ask 44.0% Above 2.80M Open Kalshi ↗	—
Above 3.00M Not aligned No persisted outcome identity connects these venue contracts.	—	21.0% Bid 18.0% · Ask 30.0% Above 3.00M Open Kalshi ↗	—
Above 3.20M Not aligned No persisted outcome identity connects these venue contracts.	—	9.0% Bid 8.0% · Ask 18.0% Above 3.20M Open Kalshi ↗	—
Above 3.40M Not aligned No persisted outcome identity connects these venue contracts.	—	11.0% Bid 1.0% · Ask 13.0% Above 3.40M Open Kalshi ↗	—
Above 3.60M Not aligned No persisted outcome identity connects these venue contracts.	—	4.5% Bid 0.0% · Ask 9.0% Above 3.60M Open Kalshi ↗	—
Above 3.70M Not aligned No persisted outcome identity connects these venue contracts.	—	4.0% Bid 0.0% · Ask 8.0% Above 3.70M Open Kalshi ↗	—
Above 3.90M Not aligned No persisted outcome identity connects these venue contracts.	—	3.5% Bid 0.0% · Ask 7.0% Above 3.90M Open Kalshi ↗	—
Above 4.10M Not aligned No persisted outcome identity connects these venue contracts.	—	5.0% Bid 0.0% · Ask 6.0% Above 4.10M Open Kalshi ↗	—

2.2M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.9%

Bid 1.0% · Ask 4.9%

<2.2M

Open Polymarket ↗

Kalshi

—

2.2M-2.35M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

13.9%

Bid 7.7% · Ask 20.0%

2.2M-2.35M

Open Polymarket ↗

Kalshi

—

2.5M-2.65M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

17.0%

Bid 13.0% · Ask 21.0%

2.5M-2.65M

Open Polymarket ↗

Kalshi

—

2.8M-2.95M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

24.0%

Bid 21.0% · Ask 27.0%

2.8M-2.95M

Open Polymarket ↗

Kalshi

—

2.35M-2.5M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.7%

Bid 0.6% · Ask 8.8%

2.35M-2.5M

Open Polymarket ↗

Kalshi

—

2.65M-2.8M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

16.0%

Bid 10.0% · Ask 22.0%

2.65M-2.8M

Open Polymarket ↗

Kalshi

—

2.95M-3.1M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

20.0%

Bid 10.0% · Ask 30.0%

2.95M-3.1M

Open Polymarket ↗

Kalshi

—

3.1M+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

15.0%

Bid 10.1% · Ask 19.9%

3.1M+

Open Polymarket ↗

Kalshi

—

Above 2.00M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

94.5%

Bid 90.0% · Ask 99.0%

Above 2.00M

Open Kalshi ↗

Above 2.20M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

88.0%

Bid 81.0% · Ask 93.0%

Above 2.20M

Open Kalshi ↗

Above 2.40M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

78.0%

Bid 67.0% · Ask 79.0%

Above 2.40M

Open Kalshi ↗

Above 2.60M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

60.0%

Bid 51.0% · Ask 62.0%

Above 2.60M

Open Kalshi ↗

Above 2.80M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

44.0%

Bid 32.0% · Ask 44.0%

Above 2.80M

Open Kalshi ↗

Above 3.00M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

21.0%

Bid 18.0% · Ask 30.0%

Above 3.00M

Open Kalshi ↗

Above 3.20M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

9.0%

Bid 8.0% · Ask 18.0%

Above 3.20M

Open Kalshi ↗

Above 3.40M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

11.0%

Bid 1.0% · Ask 13.0%

Above 3.40M

Open Kalshi ↗

Above 3.60M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

4.5%

Bid 0.0% · Ask 9.0%

Above 3.60M

Open Kalshi ↗

Above 3.70M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

4.0%

Bid 0.0% · Ask 8.0%

Above 3.70M

Open Kalshi ↗

Above 3.90M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

3.5%

Bid 0.0% · Ask 7.0%

Above 3.90M

Open Kalshi ↗

Above 4.10M

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

5.0%

Bid 0.0% · Ask 6.0%

Above 4.10M

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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