The November measure has triggered anger and opposition among typically Democratic-aligned groups, as well an onslaught from organizations funded by billionaires.Supporters hold signs advocating for the Billionaire Tax Now coalition during a news conference in Los Angeles on April 27.Caroline Brehman / Bloomberg via Getty Images fileJuly 11, 2026, 12:00 PM EDTA proposed ballot measure that would impose a one-time wealth tax on the richest Californians is facing an increasingly uphill climb toward passage in November.Just a moment.We are getting your experience ready.