Will Mamdani tax billionaires before 2027?

Before Jan 1, 2027 If a law authorizing a new personal income tax bracket or surcharge on incomes over $1 billion for New York City residents has become law in New York City before Jan 1, 2027, then the market resolves to Yes. Enactment requires completion of all constitutional and legal requirements for the legislation to become binding law. For standard legislation requiring executive approval, this includes final passage by all required legislative bodies, executive signature OR becoming law