Proposition 4 would repeal California's 1988 ban on public campaign financing, enabling state and local governments to create optional programs that provide funds to candidates meeting spending limits and eligibility rules while barring use of earmarked education, transportation, or public safety dollars. The measure, referred by the legislature on party-line votes and placed on the November 3, 2026 ballot, draws support from groups seeking to limit private donor influence and opposition from taxpayer advocates concerned about any public expenditure on elections. With minimal opposition fundraising reported and only modest state administrative costs projected, trader sentiment remains closely balanced as voters weigh reduced barriers for grassroots candidates against preferences for private funding models and existing programs limited to charter cities. Late polling shifts or turnout patterns among fiscal conservatives could alter the narrow edge for rejection.