ACTA DIURNA

Elections · San Jose · Tue Nov 10, 2:31 PM Pacific

Californians reject Proposition 40 billionaire tax

California voters rejected Proposition 40, a proposed billionaire tax, after some of the state's wealthiest residents spent hundreds of millions to oppose it.

1 report

• San José InsideCalifornians Reject Nation’s First Wealth Tax on Billionaires Nov 10, 2:31 PM

What traders expect

• California Proposition 40 election margin of victoryNo, ≥4% 95% on Kalshi
• California Proposition 40 election: Yes vote percentAt least 48% 23% · At least 50% 4% on Kalshi

In this story: Proposition 40 (California, 2026)

Headline and summary written by the Acta Diurna desk using only what the outlets above reported. Read their reporting for the full story. How we stay neutral.

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