Pioneer Municipal High Income Opportunities Fund Common Stock

As of the most recent data (April 2025), MIO shows a common stock of $330M. That compares with $330M in the prior-year period — down 0.5% year over year. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, MIO's common stock is now $330M (was $330M) — a 0.5% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether Pioneer Municipal High Income Opportunities Fund is outperforming or lagging.

Tracking MIO's common stock over time shows whether Pioneer Municipal High Income Opportunities Fund is scaling, shrinking, or reshaping that part of the business. The current reading is $330M That compares with $330M in the prior-year period — down 0.5% year over year. Multi-quarter patterns matter more than any single print, which is why this page emphasizes history and peer comparison charts.

Besides this common stock page, Stockcircle has Pioneer Municipal High Income Opportunities Fund's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect common stock (currently $330M) with ownership activity and broader fundamentals.