2026 California · U.S. House
CA-48 House race odds
As of Oct 2, 2026, prediction markets give Democrat Marni von Wilpert a 91% chance of winning the 2026 race for CA-48 over Republican Jim Desmond (Kalshi 90%, Polymarket 91%).
Updated · prices refresh every 10 minutes
- Market rating
- Safe D
- Kalshi (D / R)
- 90.0% / 10.0%
- Polymarket (D / R)
- 91.4% / 8.6%
- Gap between exchanges
- 1.4 pts
- Election Day
- Nov 3, 2026 (32 days)
Price history
Democratic odds are essentially unchanged since Oct 2, 2026.
Every candidate, by exchange
Each exchange's prices rescaled to add up to 100%. Kalshi prices are the bid–ask midpoint; Polymarket prices are its displayed price.
Kalshi open market ↗
| Outcome | Chance | Volume |
|---|---|---|
| Marni von Wilpert (D) | 90.0% | $13K |
| Jim Desmond (R) | 10.0% | $14K |
Polymarket open market ↗
| Outcome | Chance | Volume |
|---|---|---|
| Marni von Wilpert (D) | 91.4% | $18K |
| Jim Desmond (R) | 8.6% | $17K |
Questions about this race
Who is favored to win the 2026 CA-48 House race?
As of Oct 2, 2026, prediction markets give Democrat Marni von Wilpert a 91% chance of winning the 2026 race for CA-48 over Republican Jim Desmond (Kalshi 90%, Polymarket 91%).
What do Kalshi and Polymarket say?
Kalshi: Democrats 90%, Republicans 10%. Polymarket: Democrats 91%, Republicans 9%. The two exchanges differ by 1.4 points.
How have the odds moved this week?
Democratic odds are essentially unchanged since Oct 2, 2026.
When is the 2026 election?
Election Day is Nov 3, 2026, 32 days from now.
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- CA-33 HouseD 95%
- CA-34 HouseD 100%
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- CA-38 HouseD 98%
- CA-39 HouseD 97%
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- CA-41 HouseD 96%
- CA-42 HouseD 97%
- CA-43 HouseD 97%
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- CA-45 HouseD 94%
- CA-46 HouseD 96%
- CA-47 HouseD 95%
- CA-49 HouseD 97%
- CA-05 HouseR 91%
- CA-50 HouseD 96%
- CA-51 HouseD 97%
- CA-52 HouseD 96%
- CA-06 HouseD 94%
- CA-07 HouseD 97%
- CA-08 HouseD 97%
- CA-09 HouseD 97%
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Data
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Cite as: Parlay the People, “2026 CA-48 House race,” https://parlaythepeople.com/2026/house/ca-48/, accessed Oct 2, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.