California Proposition 4, a legislatively referred statute on the November 3, 2026 ballot, would repeal the 1988 voter-approved ban on public campaign financing and authorize state or local governments to create voluntary programs with spending limits and eligibility rules, while barring use of earmarked education, transportation, or public safety funds. Trader consensus favoring rejection at 55.5% reflects opposition from groups such as the California Taxpayers Association, which highlight potential future taxpayer costs and skepticism toward government-funded campaigns, alongside the measure’s limited immediate impact since it creates no program or dedicated revenue source. Endorsements from reform organizations and the Democratic Party have not generated strong momentum or major spending in recent weeks, leaving the outcome sensitive to broader voter attitudes on public financing ahead of the general election.