The Calamos Convertible Fund Class I (CICVX) is a mutual fund that primarily invests in convertible securities, which are bonds or preferred stocks that can be converted into common stocks. This fund aims to provide investors with a balance of income and capital appreciation by investing in a diverse portfolio of convertible securities from various industries and sectors. With a focus on risk management and a long-term investment approach, the Calamos Convertible Fund Class I offers investors the potential for higher returns while also providing some downside protection.