Will the Democratic Party control the Senate after the 2026 Midterm elections?

Which party will win the Senate in 2026?

Open · Resolves in 91 days View on Polymarket ↗ (opens in a new tab)

Current Probability

44.5%

24h Change

+1.0 pp

Signal Score

35/100

Data Confidence

High (80)

24h probability rose 1.0pp; volume is 2.9x the prior 6-day daily average

Market data

Updated 2 days ago

Last radar sync

2026-08-02 07:40 UTC

Why This Signal Matters

Supporting facts beyond the headline signal reason.

  • 24h probability rose 1.0pp
  • 24h volume is 2.9x the prior 6-day daily average
  • Liquidity depth $299,291

Probability History

Stored CLOB and sync snapshots with a compact read of recent movement.

Latest 44.5% · Aug 2, 07:30 AM

43% 46% 45% Aug 1 Aug 1 Aug 1 Aug 2 Current 44.5% · 7d of stored history · 28 pts

Current

44.5%

24h Change

+1.0 pp

7d Change

Insufficient 7d price history

Coverage

7d of stored history

120 stored snapshots · Latest sample Aug 2, 07:30 AM

View history table
Time Probability
8/2/2026, 7:30:00 AM 44.5%
8/2/2026, 7:00:00 AM 44.5%
8/2/2026, 6:00:00 AM 44.5%
8/2/2026, 5:00:00 AM 44.5%
8/2/2026, 4:00:00 AM 44.5%
8/2/2026, 3:00:00 AM 44.5%
8/2/2026, 2:00:00 AM 44.5%
8/2/2026, 1:00:00 AM 44.5%
8/2/2026, 12:00:00 AM 44.5%
8/1/2026, 11:00:00 PM 44.5%
8/1/2026, 10:00:00 PM 44.5%
8/1/2026, 9:00:00 PM 43.5%
8/1/2026, 8:00:00 PM 43.5%
8/1/2026, 7:00:00 PM 43.5%
8/1/2026, 6:00:00 PM 43.5%
8/1/2026, 5:00:00 PM 43.5%
8/1/2026, 4:00:00 PM 43.5%
8/1/2026, 3:30:00 PM 43.5%
8/1/2026, 3:00:00 PM 43.5%
8/1/2026, 2:00:00 PM 43.5%
8/1/2026, 1:00:00 PM 43.5%
8/1/2026, 12:00:00 PM 43.5%
8/1/2026, 11:45:00 AM 43.5%
8/1/2026, 11:00:00 AM 43.5%

Market Snapshot

Incremental context not covered in the hero summary.

1h Change

Unchanged

7d Change

Insufficient 7d price history

24h Volume

$97.0K

Volume vs Baseline

2.9x baseline

Liquidity

$299.3K

Market Significance

High (77)

Market Status

Open · Resolves in 91 days

End Date

Nov 3, 2026

Attention Score

52

Signal Quality Breakdown

Components behind the hero Signal Score of 35/100.

Probability Momentum 3
Volume Activity 67
Liquidity Quality 90
Persistence 20
Data Confidence High (80)

Next Steps

Keep exploring radar picks or open the full market catalog.