The Invesco Rochester AMT-Free New York Municipal Fund Class C (ONYCX) is a mutual fund that focuses on investing in municipal bonds issued by the state of New York. This fund aims to provide tax-free income for investors by investing in bonds that are exempt from the federal alternative minimum tax (AMT). It is managed by Invesco, a leading global investment management firm, and is designed for investors seeking tax-efficient income from New York municipal bonds.