Upset Brief · CA-32 · Larry Thompson (R) vs. Brad Sherman (D), incumbent

A long shot on the math: it takes a 22.9-point national wave.

<1%
odds today
<1%
odds with the plan
64,067
net votes to find
37
days left; voting starts October 5
Where
  1. 01
    Los Angeles
    Starting line Sherman +31. 1.8% split their ticket.
    +2,165
  2. 02
    Simi Valley
    Starting line Thompson +8. 2.2% split their ticket.
    +638
  3. 03
    Unincorporated Los Angeles County
    Starting line Sherman +34. 2.2% split their ticket.
    +106
  4. 04
    Malibu
    Starting line Sherman +24. 3.1% split their ticket.
    +91
  5. 05
    Unincorporated Ventura County
    Starting line Thompson +6. 2.0% split their ticket.
    +17

The top 5 cities and unincorporated areas carry 100% of the plan.

How
  • P
    Persuade
    2,602 voters who split their ticket in recent elections and lean Sherman today.
    +2,602
  • M
    Mobilize
    There are almost no cities and unincorporated areas Thompson's side carries, so turnout alone cannot help here.
    +0
  • C
    Consolidate
    Voters who went third party in recent races, in the cities and unincorporated areas that lean Thompson's way.
    +415

Plus a national shift of 22.9 points of margin (61,050 votes) that no campaign controls.

What has to be true
  1. Thompson wins 50 percent of the ticket splitters now leaning Sherman.
  2. The national environment moves about 22.9 points toward Thompson's side between now and November 3.
  3. No 2026 public poll exists for this race, so the starting line is a weighted blend of official recent results; the first real poll will move it.
The numbers behind it
  • 01
    Crossover regression
    313 precincts, R² 0.974, 42 crossover precincts identified
  • 02
    Monte Carlo
    20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -91,739 to -30,650 votes.
  • 03
    Money, FEC candidate totals through June 30
    Thompson $2,174 cash on hand; Sherman $2,668,480.
  • 04
    Call program for this list
    4,409 households, 13,226 dials, about 693 live conversations: an estimated $2,515 at published rates.
For the campaign

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The full plan, the map and the live odds simulator ›All California races ranked ›

Independent analysis by The Political Group from official California Secretary of State precinct returns (2022 and 2024), FEC filings and published polls, as of September 26, 2026. Not affiliated with any candidate or party.