Billionaire one-time wealth tax on California ballot?

“Billionaire one-time wealth tax on California ballot?” is a prediction market in the Elections category tracking whether California will certify a statewide ballot initiative for the November 3, 2026 election that would impose a one-time tax on individuals, households, or family units with wealth, assets, or net worth of at least $1 billion. The market resolves to Yes only if the initiative is officially approved by the California Secretary of State and appears on the ballot by the June 25, 2026 cutoff for new initiatives. Otherwise, it resolves to No.

This event matters because it tests both California’s ballot-access process and the political prospects for a high-profile tax proposal aimed at the ultra-wealthy. Traders in the prediction market are forecasting the odds of certification rather than the tax policy itself, making the outcome a narrow event prediction tied to election administration and state politics. As of the latest update, market probability sits near 29.5%, suggesting sentiment leans toward No, though the forecast can shift as the deadline approaches. The listing is relevant to election watchers, tax policy observers, and anyone tracking California ballot measures and election odds.