 CALAMOS CONV. OPPTYS. INCOME FUND NASDAQ:CHI announced a None dividend on Monday, February 3rd, Zacks reports. Shareholders of record on Friday, February 14th will be paid a dividend of 0.08 per share on Thursday, February 20th. The ex-dividend date of this dividend is Thursday, February 13th. This is a boost from CALAMOS CONV. OPPTYS. ... 