Kalshi

California's 21st District margin of victory

California's 21st District

As of October 5, 2026, traders on Kalshi favor Costa, 8+ pts at 84%, ahead of Costa, 11+ pts at 72%. $0 traded in the last 24 hours, $0 in all.

Favorite
Costa, 8+ pts 84%
24 hours
no change
Traded today
$0
Traded in all
$0
Closes
November 3, 2027

Every outcome (top 6 of 9)

  1. Costa, 8+ pts84%
  2. Costa, 11+ pts72%
  3. Costa, 14+ pts61%
  4. Costa, 17+ pts49%
  5. Costa, 20+ pts35%
  6. Costa, 23+ pts20%

3 more outcomes, mostly long shots, are listed on Kalshi.

How the odds have moved

0%25%50%75%100%3:41 AM3:41 PM3:41 AM84% Costa, 8+ pts

The line follows the current favorite, Costa, 8+ pts. One reading an hour.

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Prices are Kalshi's own (bid/ask midpoint), collected every 10 minutes. Research, not betting advice.

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