Find the latest calamos convertible and high income fund (chy) stock quote, history, news and other vital information to help you with your stock trading and investing. The calamos convertible and high income fund (chy) seeks total return through a combination of capital appreciation and current income by investing in a diversified portfolio of convertible securities … Under normal circumstances, the fund will invest at least 80% of its managed assets in a diversified portfolio of convertible securities and below investment grade (high yield/high risk) non-convertible …