CA-21 House Election Winner
Polymarket traders put "Jim Costa (D)" at 95.3% on "CA-21 House Election Winner". Down 0.6%p from yesterday. $40 traded in the last 24 hours. There are 2 possible outcomes. It resolves on Nov 4.
Most likely right now
Jim Costa (D)
▼0.695%
PoliticsVol $40Total volume $38KLiquidity $55Kin 25 days (Nov 4)
Current probability
Oct 9 · right column is the 24-hour change (pp)
0%50%100%
Jim Costa (D)
95.3%
▼0.6
Kyle Kirkland (R)
3.95%
▲0.7
Probability over time
Jim Costa (D)
Kyle Kirkland (R)
2026-08-25 ~ 2026-10-09 · y-axis %
