Billionaire one-time wealth tax passes in California election 2026?
Yes at 25% on 29 Oct 2026, up 3 pts over the previous 7 days. No big jumps detected yet.
Data from Polymarket.
Context
This prediction market asks whether a one-time wealth tax targeting individuals or households with a net worth of at least $1 billion will pass in California's November 3, 2026 general election. The market resolves to "Yes" if such a proposition passes, and "No" otherwise.
As Election Day approaches, recent polls show the billionaire tax initiative trailing, facing a brutal reality check and growing opposition from various critics and commentators. Meanwhile, the campaign has also dealt with internal conflict, including a strike by its own campaign staff days before the vote.
The ballot initiative, which serves as a referendum on big tech and wealth accumulation in the state, has sparked intense debate over its potential economic costs. Key stakeholders, academics, and paid influencers are actively engaging voters across traditional media and social platforms as the final outcome remains uncertain.
Sources: Yahoo: California’s billionaire tax gets a brutal reality check ahead of Election Day – here’s what traders expect to pass, Daily Cal: Voting in California? What you need to know about the state propositions, Barron's: California’s Billionaire Wealth Tax Is a Referendum on Big Tech, Crypto Briefing: California billionaire tax proposal faces fierce opposition ahead of 2026 ballot, The Facts: COMMENTARY: 'Billionaire tax' will cost California, WSJ: The Four Academics Who Dreamed Up California’s Billionaire Tax Prop. 40, WSJ: Billionaires Don’t Like the Wealth Tax. Here’s What Some Propose Instead., CPA Practice Advisor: California’s Billionaire Tax Battle is Playing Out on Instagram—with Paid Influencers, SuaraGarut.ID: California Billionaire Tax Faces Growing Opposition Before Vote, Los Angeles Times: Contributor: Billionaires compensate us many times over. Wealth taxes endanger that, Mission Local: Union behind California billionaire tax hit by strike from own campaign staff, days before vote, The New York Times: California Prop. 40 Wealth Tax Initiative 2026: Latest Polls, The Mercury News: California billionaires tax trails in another poll days before election, LAmag: ‘Billionaire’s Tax’ Is Losing Support, New Poll Finds, Times of San Diego: Opinion: Billionaire tax distracts from California’s decades-long failure to reform tax system
Written by AI from the linked news sources and checked automatically, not by a person.
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Price jumps explained
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Questions about this market
What are the odds for “Billionaire one-time wealth tax passes in California election 2026”?
On 29 Oct 2026, Polymarket traders priced Yes at 25%, which means they saw about a 25 in 100 chance. That was up 3 points over the previous 7 days. The live price is shown in the chart at the top of this page.
How does this market resolve?
This market will resolve to "Yes" if any proposition containing a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent) passes in the named election. Otherwise, this market will resolve to "No". The full Polymarket rules are at the bottom of this page.
When does this market end?
Polymarket lists 4 Nov 2026 as the end date. It can settle earlier or later if the rules say so, for example when an official result comes in.
Can I bet on this market on predictionwave?
No. predictionwave only explains the odds. The market itself runs on Polymarket, and trading there is not allowed in every country.
How this market resolves (Polymarket rules)
A one-time wealth tax on billionaires has been proposed to potentially appear on California's ballot for the November 3, 2026 general election. You can read more about that here: https://6abc.com/post/california-union-proposes-taxing-billionaires-offset-medicaid-cuts-low-income-people/18066430/ This market will resolve to "Yes" if any proposition containing a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent) passes in the named election. Otherwise, this market will resolve to "No". If no qualifying ballot initiative is certified to appear on the official statewide California ballot as a proposition to be voted on in the stated election by June 25, 2026, 11:59 PM ET (the official cutoff date for new initiatives to be approved), or if all qualifying propositions/initiatives are removed from the ballot or amended before the election such that the main threshold drops below $1 billion, this market will resolve "No". The primary resolution source for this market will be official information from the Government of the State of California, however a consensus of credible reporting may also be used.