California Wealth Tax Passage Odds Remain Below one-third

California’s proposed billionaire wealth tax remains more likely to fail than pass ahead of the 3 November 2026 election. Earlier Polymarket pricing put its passage odds at 29.5%, while newer data shows 32% on Kalshi and 29% on a related Polymarket contract. The measure, Proposition 40, would impose a one-time 5% levy on the net worth of billionaires who lived in California on 1 January 2026. Most revenue would fund healthcare, with smaller allocations for education and food assistance. Polling shows modest but inconsistent support. Recent surveys found 48% to 52% support and 38% to 46% opposition, with earlier polling showing 14% undecided. Traders should track polling, endorsements or opposition from Governor Gavin Newsom and Secretary of State Shirley Weber, and any changes to the measure’s ballot status. The wealth tax could encourage some billionaires to move assets or relocate to lower-tax states such as Texas or Florida, while also influencing future state tax proposals. The California wealth tax has limited direct implications for cryptocurrency prices. However, possible capital relocation and wider debate over US fiscal policy could affect sentiment toward technology, venture capital and digital assets. Prediction-market pricing and political developments are likely to matter more for trading sentiment than the tax proposal itself.