California Proposition 41, positioned as a countermeasure to the competing billionaire wealth tax on the November 3, 2026 ballot, drives the closely balanced trader consensus around 54.5% Yes. The initiative mandates pre-election financial and performance audits by the State Auditor for citizen-initiated special taxes once 25% of required signatures are collected, plus recurring four-year reviews of programs funded by new or increased special taxes enacted after January 1, 2026, with explicit recommendations for at least 10% annual cost reductions. It also bars new state taxes from exclusion under the voter-approved Gann spending limit and includes conflict provisions that could nullify conflicting measures receiving fewer votes. Support stems from emphasis on program effectiveness and spending accountability for restricted revenues, while opposition highlights added procedural hurdles that could limit revenue flexibility or increase administrative burdens amid multiple overlapping tax and spending propositions. No major campaign developments have shifted the equilibrium since the measure qualified for the ballot in late June.