What Changed
Price Move History
- Daily moves over 5%
- 0 252 sessions, October 30, 2025 to October 30, 2026
- Largest daily move
- -4.6% close of October 23, 2026
- 1-year change
- -16.6% closing prices, October 30, 2025 to October 30, 2026
- 1-month change
- -1.5% closing prices, September 30, 2026 to October 30, 2026
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 $1.9B.
NMZ has declined 16.6% over the past year. The last closing price was $8.83.
This page collects what Stock Titan holds for NMZ, including price data, latest news, SEC filings, insider trading activity, upcoming events, and short interest trends.
Stock Performance
Nuveen Municipal High Income Opportunity Fund (NMZ) closed at $8.83 on October 30, 2026. Over the past 12 months, the price has lost 16.6%.
NMZ Metrics & Rankings
Price returns through October 30, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Nuveen Municipal High Income Opportunity Fund has 1 recent news article. Of the recent coverage, 0 articles coincided with positive price movement and 1 with negative movement. Key topics include offering. View all NMZ news →
SEC Filings
Nuveen Municipal High Income Opportunity Fund has filed 10 recent SEC filings, including 4 Form 4, 3 Form 3, 1 Form 424B5, 1 Form 424B3. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all NMZ SEC filings →
Insider Radar
Insider buying activity at Nuveen Municipal High Income Opportunity Fund over the past 90 days may reflect management confidence in the company's direction. Institutional investors and analysts often monitor insider purchases as a potential bullish indicator for the stock.
Financial Highlights
Upcoming Events
Rights offering record date
Rights offering expiration
Nuveen Municipal High Income Opportunity Fund has 2 upcoming scheduled events. The next event, "Rights offering record date", is scheduled for November 2, 2026 (tomorrow). All of them are financing or capital events, such as a dividend or a debt maturity. Investors can track these dates to stay informed about potential catalysts that may affect the NMZ stock price.
Short Interest History
Short interest in Nuveen Municipal High Income Opportunity Fund (NMZ) currently stands at 98.6 thousand shares, down 34.2% from the previous reporting period, representing 0.2% of the shares outstanding. Since October 2025, short interest has decreased by 81.4%.
Days to Cover History
Days to cover for Nuveen Municipal High Income Opportunity Fund (NMZ) currently stands at 1.0 days. The ratio is the reported short interest divided by the average daily trading volume. Since October 2025, the figure has decreased by 45.7%. Across the settlements charted above, it has ranged 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 #255 by dividend yield.
Investors comparing NMZ often look at related companies in the same sector, including Guggenheim Strategic Opportunities Fund (GOF), Blackrock Muniholdings Fund, Inc. (MHD), Cornerstone Strategic Investment Fund, Inc. (CLM), BlackRock Science and Technology Term Trust (BSTZ), and TRI-Continental Corporation (TY). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate NMZ's relative position within its industry.