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CA-31 House Election Margin of Victory

ActiveMidterms8 outcomesEnds Nov 3, 2026

Democrat 15-20% leads at 40.0%, ahead of Democrat 25-30% (39.0%) and Democrat 30%+ (38.0%).

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Outcome · 8Chance24hTrade on Polymarket
Democrat 15-20%40.0%+0.5Buy Yes 40.0¢Buy No 60.0¢
Democrat 25-30%39.0%+1.5Buy Yes 39.0¢Buy No 61.0¢
Democrat 30%+38.0%−0.5Buy Yes 38.0¢Buy No 62.0¢
Democrat 20-25%38.0%+1.0Buy Yes 38.0¢Buy No 62.0¢
Democrat 10-15%38.0%−0.5Buy Yes 38.0¢Buy No 62.0¢
Democrat 5-10%38.0%+0.5Buy Yes 38.0¢Buy No 62.0¢
Democrat 0-5%38.0%+0.5Buy Yes 38.0¢Buy No 62.0¢
Republican Wins36.4%−0.9Buy Yes 36.4¢Buy No 63.6¢

Click a row to chart it. Each outcome is its own market, so chances need not sum to 100%. 24h change in percentage points.