Live prediction market odds for CA-21 House winner?. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-11-03
Polymarket and Kalshi are tracking the winner of the CA-21 House race set for November 3, 2026. This election will play a crucial role in shaping the balance of power in the House of Representatives, influencing legislative agendas and party strategies.
Democratic Party leads the “CA-21 House winner” event at 85.3% implied probability, followed by Republican Party at 14.5%. A 4.5% cross-platform spread signals an active arbitrage window.
Key factors include candidate popularity, fundraising capabilities, and voter turnout trends. Additionally, national political climate and local issues can significantly impact voter preferences.
Prediction markets allow participants to buy and sell shares based on their expectations of election outcomes. Prices reflect the collective beliefs about the likelihood of each candidate winning.
The CA-21 House race is important as it can affect the overall majority in the House of Representatives. Changes in representation can lead to shifts in policy priorities and legislative effectiveness.
CA-21 House winner is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Democratic Party leads at 85% implied probability, making it the market favorite. Other contenders include Republican Party at 15%.
Democratic Party currently leads at 85% implied probability. Behind Democratic Party, Republican Party at 15% are the next closest contenders. The 4.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
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Democratic Party
85.3% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi.
KalshiIf the House member sworn in for CA-21 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.
