California wealth tax faces polling deficit as traders favor rejection

California’s Proposition 40 heads toward the November 3 ballot with prediction-market pricing favoring defeat. According to RG.org, Polymarket priced yes at 23 percent and no at 78 percent, with 4.3 million dollars traded.

Tax proposal and voter sentiment

The measure would impose a one-time 5 percent tax on Californians worth 1 billion dollars or more. Its scope makes the vote a decision on a specific wealth-tax proposal, rather than a recurring levy.

A Public Policy Institute of California survey of likely voters recorded 46 percent support and 52 percent opposition, according to the supplied summary. That puts the yes side 6 percentage points behind.

Polling and market pricing measure different things

The figures available as of Oct 31, 2026 show both polling and market pricing leaning against passage. But the poll’s 46 percent yes share and Polymarket’s 23 percent yes price are not directly comparable: one measures voter support, while the other prices the outcome.

The supplied material does not include the survey’s field dates or margin of error, or the contract’s detailed resolution terms. Those omissions limit conclusions about polling uncertainty and precisely how the market will settle.

What it means for prediction markets

• Rejection is the favored outcome: Polymarket’s 78 percent no price points toward defeat, but does not make that result certain.
• The poll supports the direction, not the magnitude: The 46 percent yes and 52 percent no split shows opposition ahead; it does not independently establish a probability of passage.
• Trading volume is context, not proof: The reported 4.3 million dollars traded indicates market activity, not the accuracy of its forecast.
• The ballot date is the key event: November 3 is when voters decide the measure; the supplied material does not specify the market’s settlement timing.