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Nuveen Municipal High Income Opportunity Fund Common Stock, $0.01 par value, per share (NMZ)

Pre-Tax Margin

28.89%

Quarterly · Period ending: Apr 30, 2026

NMZ Pre-Tax Margin

Latest reported28.89%period endingApr 30, 2026

Latest reported28.89%period endingApr 30, 2026

NMZ Quarterly Pre-Tax Margin (87.30% → 28.89%)

Quarterly pre-tax margin

High-resolution chart · PNG

NMZ pre-tax margin history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

Nuveen Municipal High Income Opportunity Fund Common Stock, $0.01 par value, per share Pre-Tax Margin — Quarterly
Period ending	Pre-Tax Margin
Apr 30, 2026	28.8914%
Oct 31, 2025	126.4804%
Apr 30, 2025	-79.5426%
Oct 31, 2024	126.607%
Apr 30, 2024	456.3532%
Oct 31, 2023	-314.0712%
Apr 30, 2023	312.7719%
Oct 31, 2022	-1,496.272%
Apr 30, 2022	-747.1665%
Oct 31, 2021	115.5886%
Apr 30, 2021	301.0392%
Oct 31, 2020	306.0774%
Apr 30, 2020	-387.0493%
Oct 31, 2019	150.1703%
Apr 30, 2019	214.7425%
Oct 31, 2018	0.6446%
Apr 30, 2018	7.943%
Oct 31, 2017	152.9717%
Apr 30, 2017	-35.5933%
Oct 31, 2016	44.946%
Apr 30, 2016	129.0265%
Oct 31, 2015	63.6148%
Apr 30, 2015	97.6453%
Oct 31, 2014	186.2244%
Apr 30, 2014	225.9012%
Oct 31, 2013	-114.8224%
Apr 30, 2013	124.2358%
Oct 31, 2012	205.653%
Apr 30, 2012	87.2954%

Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.