Daily market report

Election markets on Sunday, August 16, 2026

Democrats ended the day 50% to win the Senate and 87% to win the House; the biggest move was MI-04 (Michigan), where Democratic odds went from 56% to 47%; 1 race changed favorites.

Kalshi and Polymarket, averaged · times in UTC days

House controlD 87% · R 14%Democratic odds unchanged on the daySenate controlD 50% · R 50%Democratic odds ▼ 0.3 pts on the day

Biggest moves

RaceStart of dayEnd of dayChange (D)
MI-04 (Michigan)D 56%D 47%▼ 9.1
CO-08 (Colorado)D 83%D 75%▼ 7.6
MT-01 (Montana)D 33%D 39%▲ 6.7
NY-04 (New York)D 84%D 89%▲ 5.1
PA-08 (Pennsylvania)D 65%D 60%▼ 4.7
NC-11 (North Carolina)D 59%D 63%▲ 4.5
PA-07 (Pennsylvania)D 79%D 74%▼ 4.3
NY-03 (New York)D 81%D 85%▲ 4.1
WI-06 (Wisconsin)D 9%D 13%▲ 3.7
PA-10 (Pennsylvania)D 80%D 77%▼ 3.4

Lead changes

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