Will the Republican Party win the MA-05 House seat?
Market price history
Rolling 7-day window of market NO price with the OU fair-price range overlay.
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Market price
YES27¢ (27%)
NO73¢ (73%)
Latest refresh · prices in cents
Polymarket • Volume: $9K • Updated 1h agoCloses: 2026-11-03
Polymarket · Politics
OU's Pick
NO at 73¢ · pays 1.4×
Price gap
Polymarket73¢
→OU's fair98¢
+25¢ underpriced · pays 1.4×
Confidence
Moderate
Democrats have held every Massachusetts congressional seat since 1994 and the district is currently represented by Democratic House Minority Whip Katherine Clark.
Wide edge+25¢
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