MA-03 House Election Margin of Victory

Polymarket traders put "Democrat 35-40%" at 33.0% on "MA-03 House Election Margin of Victory". Up 5.0%p from yesterday. There are 10 possible outcomes. It resolves on Nov 3.

Most likely right now
Democrat 35-40%
5.033%
PoliticsVol -Total volume $134Liquidity $9.6Kin 2 months (Nov 3)
Current probability

Aug 26 · right column is the 24-hour change (pp)

0%50%100%
Democrat 35-40%
33.0%
5.0
Democrat 20-25%
32.5%
2.0
Democrat 25-30%
32.0%
3.5
Democrat 45%+
29.0%
1.5
Democrat 40-45%
27.5%
10.0
Democrat 30-35%
27.0%
9.0
Democrat 5-15%
25.5%
5.5
Democrat 0-5%
25.0%
0.5
Democrat 15-20%
24.5%
3.0
Republican Wins
1.45%

Probability over time

Democrat 35-40%
Democrat 20-25%
Democrat 25-30%
Democrat 45%+
Democrat 40-45%
Democrat 30-35%
02550751008/258/26
2026-08-25 ~ 2026-08-26 · y-axis %

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Probabilities are Polymarket trade prices, formed by participants betting real money. They are not official forecasts and are a poor basis for investment decisions.