Company: NMZ
Filing Date: 2025-01-06
Form Type: N-CSR
Source: 0001193125-25-002222
Chunk: 84

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-01-06
Form: N-CSR
Chunk 84
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iation 
 (Depreciation) |
|:-----|:----|:--|--------------:|:----|:--|-----------------------------:|:----|:--|---------------:|:----|:--|---------------:|
| NVG  |     | $ | 4,542,649,435 |     | $ |                  154,054,355 |     | $ |   -164,533,322 |     | $ |    -10,478,967 |
| NZF  |     |   | 3,604,853,322 |     |   |                  191,730,640 |     |   |     -2,027,794 |     |   |    189,702,846 |
| NMZ  |     |   | 1,565,707,804 |     |   |                   61,217,905 |     |   |    -94,969,185 |     |   |    -33,751,280 |
| NMCO |     |   | 1,035,180,070 |     |   |                   38,924,456 |     |   |    -73,570,303 |     |   |    -34,645,847 |
| NDMO |     |   |   907,649,365 |     |   |                   20,217,773 |     |   |    -36,093,029 |     |   |    -15,875,256 |

For purposes of this disclosure, tax cost generally includes the cost of portfolio investments as well as up-front fees or premiums exchanged on derivatives and any amounts unrealized for income statement reporting but realized income and/or capital gains for tax reporting, if applicable. As of year end, the components of accumulated earnings on a tax basis were as follows:

| Fund |     |   | UndistributedTax-ExemptIncome1 |     |   | UndistributedOrdinary 
                Income |     |   | UndistributedLong-TermCapital Gains |     |   | UnrealizedAppreciation(Depreciation) |   |     |   | Capital LossCarryforwards |   |     |   | Late-Year LossDeferrals |     |   | Other       
 Book-to-Tax 
 Differences |   |     |   |        Total |
|:-----|:----|:--|:-------------------------------|:----|:--|----------------------:|: