Company: NMZ
Filing Date: 2025-03-26
Form Type: NPORT-P
Source: 0001752724-25-067630
Chunk: 2433

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-03-26
Form: NPORT-P
Chunk 2433
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 the Vistra Vision interest. In exchange for its membership interest in Vistra Vision, the Fund will receive a series of payments from Vistra through December 31, 2026. The resulting receivable, net of transaction costs, has been discounted to reflect these future payments. As of January 31, 2025, the net receivable for the sale of Vistra Vision was $26,711,458. |

| Note Item | C.5.a |

| Explanatory Notes | The International Organization for Standardization (ISO) country code included within Part C.5. of this filing may differ from that used for other purposes, such as for fund portfolio compliance purposes and for financial reporting purposes (i.e. the preparation of the fund's schedule of investments included within Part F of Form N-PORT and Form N-CSR. |

NPORT-P: Signatures

The Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| Registrant:    | Nuveen Municipal High Income Opportunity Fund |
| By(Signature): | Gina Spunder                                  |
| Name:          | Gina Spunder                                  |
| Title:         | Director, Fund Financial Reporting            |
| Date:          | 2025-01-31                                    |