CORRESP 13 filename13.htm

CORRESP

		Calamos Advisors LLC
		2020 Calamos Court
		Naperville, IL 60563-2787
		630.245.7200
		800.323.9943 www.calamos.com

November 25, 2014

OVERNIGHT DELIVERY AND EDGAR

Ms. Valerie J. Lithotomos

Division of Investment Management

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Calamos Convertible Opportunities and Income Fund

Registration Statement on Form N-2

File Nos. 333-196373 and 811-21080

Dear Ms. Lithotomos:

In accordance with Rule 461 of the General Rules and Regulations under the Securities Act of 1933, as amended, Calamos Convertible Opportunities and Income Fund (the “Fund”) hereby requests acceleration of the effective date of the above-captioned Registration Statement so that it will become effective by 4:00 p.m., Eastern Time, on December 1, 2014, or as soon thereafter as practicable.

Sincerely,
CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND
By:		/s/ Christopher S. Russell
		Christopher S. Russell
		Assistant Secretary