PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedData quality warningStale data
Data as of Nov 4, 2026, 6:33 PM UTC · policy pm-quality-4
Selected book midpoint
Yes · —
Loading selected book…
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Stored reference
Yes 100%
Yes 100%Market quality
73 / 100
Medium quality24h Volume
$47K
Liquidity
$30K
High liquidityOpen interest
$51.2K
Bid / Ask
— / —
YesSpread
—
Comments
0
7d Change
+76.5 pts
Market data
Updated 53 minutes ago
LaggingOct 14, 26, 1:17 AM UTCJan 5, 27, 4:59 AM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 0.1 percentage points
- Fees:
- Yes
Top holders
Loading top holders
Market depth · Yes
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market will resolve to “Yes” if both of the following conditions are met as a result of the 2026 midterm elections:
- - Democrats have a seat count of 250 or more in the House - Democrats have a seat count of 54 or more in the Senate
- Otherwise, this market will resolve to “No”.
- The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026.
- Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat.
- The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress.