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SEP 16, 2026Primary Election
Party selects its nominee.
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Track how candidate odds have moved across common market windows.
source: Kalshi
Seth Moulton’s chance of winning the Massachusetts Democratic Senate nomination has risen sharply to 31% after he secured enough delegate support to appear on the primary ballot, keeping the primary race tighter than it looked a week ago.
Massachusetts is confronting a rare phenomenon: a healthy number of primary challengers in congressional races often left uncontested.
Aggregation source: FiftyPlusOne
E. MarkeyEd MarkeyA. PressleyAyanna PressleyA. RikleenAlexander RikleenSource: FEC
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We're monitoring and will update when new data impacts the race.
