This market tracks whether California voters will see a ballot initiative proposing a one-time wealth tax on billionaires in the November 2026 election. On Polymarket, the probability of such an initiative appearing on the ballot stands at 89.5%. Resolution will be determined by official certification from the California Secretary of State, with the critical deadline being June 25, 2026, 11:59 PM ET—the final cutoff date for new initiatives to gain approval for the statewide ballot.

Polymarket

This market will resolve to "Yes" if a ballot initiative is certified to appear on the official statewide California ballot for the November 3, 2026 election, that proposes a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent), by June 25, 2026, 11:59 PM ET (the official cutoff date for new initiatives to be approved). Otherwise, this market will resolve to "No". Certification means the initiative is officially approved by the California Secretary of State for a statewide ballot. The primary resolution source will be official information from the government of California. If unavailable, a consensus of credible reporting may be used.

Frequently asked questions

The market resolves on Jun 25, 2026. Resolution hinges on whether a billionaire one-time wealth tax measure officially qualifies for and appears on California's ballot by that date. The outcome depends on petition signature collection, state certification processes, and legal challenges that may affect ballot eligibility. Traders should monitor California Secretary of State filings, initiative campaign announcements, and court rulings on ballot access. The resolution criteria focus on the factual question of ballot appearance rather than voter approval, making the timing of official state certification critical to market settlement.

Key catalysts include signature-gathering milestones and official California Secretary of State ballot certification announcements. Legislative action on wealth tax proposals at the state level could shift expectations about ballot initiatives. Court rulings on initiative validity or ballot language challenges may alter perceived probability of qualification. Major donor commitments or withdrawals from campaign funding could signal momentum shifts. Media coverage of billionaire advocacy positions and public opinion polling on wealth taxation will influence trader sentiment. Economic news affecting California's fiscal outlook and political climate changes around progressive taxation may also move markets as traders reassess the likelihood of ballot appearance.

Billionaire one-time wealth tax on California ballot?

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