The closely contested odds reflect the proposition’s role as a direct counter to the competing billionaire wealth tax measure also on the November 2026 ballot, where the higher-vote initiative would prevail on overlapping provisions. Supporters highlight protections against new levies on retirement accounts, personal assets, and retroactive liability tied to pre-enactment residency or status, while opponents tied to labor-backed revenue efforts emphasize potential constraints on future fiscal tools. Balance stems from limited public polling, competing ballot dynamics, and voter splits over tax policy priorities ahead of the general election. Shifts could arise from campaign spending patterns, endorsements by major organizations, turnout among high-income or retiree blocs, or any late clarification on how the measures interact if both pass.