Market comparison

How many independents will be elected to Congress in the midterms?

2 venues · 9 outcome rows · 0 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

5 outcomes · $11K reported volume

Observed 5m ago

Recorded venue end date: Nov 3, 2026

Kalshi

Open venue ↗

4 outcomes · $2K reported volume

Observed 46s ago

Recorded venue end date: Jan 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 How many independents will be elected to Congress in the midterms?
Outcome	Polymarket	Kalshi	Difference
0 Not aligned No persisted outcome identity connects these venue contracts.	55.5% Bid 54.0% · Ask 57.0% 0 Open Polymarket ↗	—	—
1 Not aligned No persisted outcome identity connects these venue contracts.	31.5% Bid 31.0% · Ask 32.0% 1 Open Polymarket ↗	—	—
2 Not aligned No persisted outcome identity connects these venue contracts.	7.5% Bid 5.0% · Ask 10.0% 2 Open Polymarket ↗	—	—
3 Not aligned No persisted outcome identity connects these venue contracts.	0.4% Bid 0.1% · Ask 0.6% 3 Open Polymarket ↗	—	—
4+ Not aligned No persisted outcome identity connects these venue contracts.	4.1% Bid 1.3% · Ask 6.9% 4+ Open Polymarket ↗	—	—
At least 1 Not aligned No persisted outcome identity connects these venue contracts.	—	38.0% Bid 30.0% · Ask 38.0% At least 1 Open Kalshi ↗	—
At least 2 Not aligned No persisted outcome identity connects these venue contracts.	—	12.0% Bid 11.0% · Ask 20.0% At least 2 Open Kalshi ↗	—
At least 3 Not aligned No persisted outcome identity connects these venue contracts.	—	6.0% Bid 3.0% · Ask 11.0% At least 3 Open Kalshi ↗	—
At least 4 Not aligned No persisted outcome identity connects these venue contracts.	—	4.0% Bid 2.0% · Ask 7.0% At least 4 Open Kalshi ↗	—

0

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

55.5%

Bid 54.0% · Ask 57.0%

Open Polymarket ↗

Kalshi

—

1

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

31.5%

Bid 31.0% · Ask 32.0%

Open Polymarket ↗

Kalshi

—

2

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

7.5%

Bid 5.0% · Ask 10.0%

Open Polymarket ↗

Kalshi

—

3

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.4%

Bid 0.1% · Ask 0.6%

Open Polymarket ↗

Kalshi

—

4+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.1%

Bid 1.3% · Ask 6.9%

Open Polymarket ↗

Kalshi

—

At least 1

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

38.0%

Bid 30.0% · Ask 38.0%

At least 1

Open Kalshi ↗

At least 2

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

12.0%

Bid 11.0% · Ask 20.0%

At least 2

Open Kalshi ↗

At least 3

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

6.0%

Bid 3.0% · Ask 11.0%

At least 3

Open Kalshi ↗

At least 4

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

4.0%

Bid 2.0% · Ask 7.0%

At least 4

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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