Morgan Stanley & Co. LLC
1585 Broadway
New York, NY 10036
November 10, 2016
VIA EDGAR
Kimberly A. Browning
Senior Counsel
Disclosure Review and Accounting Office
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Nuveen Floating Rate Income Opportunity Fund
Registration Statement on Form N-2
File Nos. 333-212356 and 811-21579
Dear Ms. Browning:
Pursuant to Rule 461 under the Securities Act of 1933, as amended, the undersigned, as the prospective underwriter of the securities covered by the above-captioned Registration Statement, hereby joins in the request of Nuveen Floating Rate Income Opportunity Fund that the effectiveness of the Registration Statement relating to such securities be accelerated so that the Registration Statement will become effective by 10:00 a.m., Eastern Time, on November 15, 2016 or as soon thereafter as practicable.
Sincerely,
MORGAN STANLEY & CO. LLC
As the Underwriter
By:/s/ Sage Zaheer
Name: Sage Zaheer
Title: Authorized Signatory