Company Description
Nuveen Municipal High Income Opportunity Fund (NYSE: NMZ) is classified in the asset management industry within the Financial Services sector and carries a market capitalization of $2.2B, ranking #2,218 among all listed U.S. companies by market cap.
NMZ has gained 2.9% over the past year, placing it at #2,238 in year-to-date performance among tracked companies. Shares last traded at $10.22.
This page collects what Stock Titan holds for NMZ, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
Nuveen Municipal High Income Opportunity Fund (NMZ) stock last closed at $10.22. Over the past 12 months, the stock has gained 2.9%, ranking #2,037 in 52-week price change. At a market capitalization of $2.2B, NMZ is classified as a mid-cap stock with approximately 215.4M shares outstanding.
NMZ Rankings
Latest News
SEC Filings
Nuveen Municipal High Income Opportunity Fund has filed 5 recent SEC filings, including 3 Form 4, 1 Form DEF 14A, 1 Form POS EX. The most recent filing was submitted on July 28, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all NMZ SEC filings →
Insider Radar
Insider selling at Nuveen Municipal High Income Opportunity Fund over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Upcoming Events
Short Interest History
Short interest in Nuveen Municipal High Income Opportunity Fund (NMZ) currently stands at 162.9 thousand shares, up 132.5% from the previous reporting period, representing 0.1% of the shares outstanding. Since July 2025, short interest has decreased by 35.5%.
Days to Cover History
Days to cover for Nuveen Municipal High Income Opportunity Fund (NMZ) currently stands at 1.0 days. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed. The ratio has shown significant volatility over the period, ranging from 1.0 to 5.0 days.
NMZ Company Profile & Sector Positioning
Nuveen Municipal High Income Opportunity Fund (NMZ) operates in the Asset Management industry within the broader Financial Services sector and is listed on the NYSE. Among dividend-paying stocks, NMZ ranks #263 by dividend yield. In monthly performance, the stock ranks #2,446 among all tracked companies.