Nuveen Investments
333 West Wacker Drive
Chicago, IL 60606
P 312.917.7700
www.nuveen.com
September 14, 2017
VIA EDGAR
U.S. Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549
| Attn: | Ms. Elisabeth Bentzinger |
| Re: | Request for Acceleration of the Effective Date of Nuveen Municipal High Income Opportunity |
Fund’s Pre-Effective Amendment No. 1 Under the Securities Act of 1933 and Amendment No. 37
Under the Investment Company Act of 1940 (File Nos: 333-220101 and 811-21449)
Dear Ms. Bentzinger:
Pursuant to Rule 461 under the Securities Act of 1933, as amended, we hereby request that the effective date of the above-captioned Registration Statement be accelerated so that the same will become effective Monday, September 18, 2017, or as soon thereafter as practicable.
In connection with this request, Nuveen Securities, LLC, the underwriter for the Fund, has also signed this letter requesting acceleration.
Very truly yours,
| Nuveen Municipal High Income Opportunity Fund | Nuveen Securities, LLC | |||
| /s/ Gifford R. Zimmerman |
/s/ Gifford R. Zimmerman | |||
| By: Gifford R. Zimmerman | By: Gifford R. Zimmerman | |||
| Title: Vice President and Secretary | Title: Managing Director | |||