
Yes is at 54.5%, up 4.5 points from 50% when the market opened on 2 Jul 2026.
The high was 56% on 3 Oct 2026 and the low 47% on 7 Sep 2026. A week ago Yes was at 55%; a month ago, 49%.
The order book holds $1.63K, with a 53.0% gap between the best bid and the best ask.
Trading closes on 4 Nov 2026, 27 days from now.
Polymarket prices as of Oct 8, 9:58 PM UTC
Daily closes of the Yes price, Polymarket CLOB · 100 points · 2 Jul 2026 – 8 Oct 2026 · axis zoomed to 45%–60%
| Observed | Yes price |
|---|---|
| 2 Jul 2026 | 50.0% |
| 8 Oct 2026 | 54.5% |
Polymarket lists no holders for this market.
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
Proposition 42 is a California ballot measure currently scheduled for voting on November 3, 2026. It would prevent retroactive taxes and new taxes on personal property, which would offset the proposed wealth tax in Proposition 40. This market will resolve to “Yes” if the specified ballot measure is approved by a majority of voters at the California statewide general election currently scheduled for November 3, 2026. Otherwise, this market will resolve to “No.” If voting on the specified ballot measure does not occur, or the results thereof are not known definitively, by March 31, 2027, this market will resolve to “No”. This market will resolve based on a consensus of credible reporting. If there is ambiguity, this market will resolve solely based on official information from the State of California, including the California Secretary of State (https://www.sos.ca.gov/).
Official listing: polymarket.com/event/california-retroactive-tax-prohibition-proposition
New to prediction markets? How to read a market page