Invesco New York AMT-Free Municipal Bond ETF (PZT US) – Portfolio Construction MethodologyThe underlying The ICE BofAML New York Long-Term Core Plus Municipal Securities Index targets long-duration, investment-grade, tax-exempt municipal bonds issued in the US domestic market by New York State, its local authorities and political subdivisions, and US territories. Eligible constituents must have ≥15 years remaining to final maturity and be USD-denominated. Constituents are weighted by current amount outstand ...