Calamos Convertible & High Income Fund is a closed-ended fixed income mutual fund Launched by Calamos Asset Management, Inc. It is managed by Calamos Advisors LLC. The fund invests in the fixed income markets of the United States. It invests in high yield fixed income securities and convertible securities that are either investment grade, Ba or lower rated by Moody's or BB or lower rated by Standard & Poor's. Calamos Convertible & High Income Fund was formed on May 28, 2003 and is domiciled in the United States.