MA-09 House Election Margin of Victory

Polymarket traders put "Democrat 25-30%" at 35.0% on "MA-09 House Election Margin of Victory". Up 12.5%p from yesterday. $568 traded in the last 24 hours. There are 9 possible outcomes. It resolves on Nov 4.

Most likely right now
Democrat 25-30%
▲12.535%
PoliticsVol $568Total volume $13KLiquidity $107Kin 24 days (Nov 4)
Current probability

Oct 10 · right column is the 24-hour change (pp)

0%50%100%
Democrat 25-30%
35.0%
▲12.5
Democrat 15-20%
32.0%
▲9.0
Democrat 20-25%
23.5%
▼2.0
Democrat 30-35%
13.0%
▼1.5
Democrat 35%+
9.00%
–
Democrat 10-15%
8.50%
▲2.5
Republican Wins
0.40%
–
Democrat 5-10%
0.15%
–
Democrat 0-5%
0.15%
–

Probability over time

Democrat 25-30%
Democrat 15-20%
Democrat 20-25%
Democrat 30-35%
Democrat 35%+
Democrat 10-15%
02550751008/259/69/139/209/2710/410/10
2026-08-25 ~ 2026-10-10 · y-axis %

Other markets in this category

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