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MIO Historical Price Range
Date	Open	High	Low	Close	Volume
08/18/2025	$11.35	$11.36	$11.33	$11.34	24.60K
08/19/2025	$11.33	$11.36	$11.33	$11.36	16.10K
08/20/2025	$11.34	$11.36	$11.34	$11.34	25.00K
08/21/2025	$11.34	$11.36	$11.34	$11.35	18.90K
08/22/2025	$11.36	$11.40	$11.36	$11.38	18.80K

About MIO

Pioneer Municipal High Income Opportunities Fund is a newly organized, diversified, closed-end management investment company. The Fund's investment objective is to provide holders of the Fund's common stock with a high level of income exempt from regular federal income tax. As a secondary investment objective, the Fund may seek capital appreciation to the extent consistent with its primary investment objective. Distributions from sources other than interest income from the Fund's portfolio of municipal securities, including capital gain distributions, are not exempt from regular federal income tax.

MIO (MIO) has the following price history information. Looking back at MIO historical stock prices for the last five trading days, on August 18, 2025, MIO opened at $11.35, traded as high as $11.36 and as low as $11.33, and closed at $11.34. Trading volume was a total of 24.60K shares. On August 19, 2025, MIO opened at $11.33, traded as high as $11.36 and as low as $11.33, and closed at $11.36. Trading volume was a total of 16.10K shares. On August 20, 2025, MIO opened at $11.34, traded as high as $11.36 and as low as $11.34, and closed at $11.34. Trading volume was a total of 25.00K shares. On August 21, 2025, MIO opened at $11.34, traded as high as $11.36 and as low as $11.34, and closed at $11.35. Trading volume was a total of 18.90K shares. On August 22, 2025, MIO opened at $11.36, traded as high as $11.40 and as low as $11.36, and closed at $11.38. Trading volume was a total of 18.80K shares.

MIO Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into MIO shares, starting with a $10,000 purchase of MIO, and working forward through the historical stock price information to today.

Growth of $10,000.00 With Dividends Reinvested
Start date:	08/09/2021
End date:	08/22/2025
Start price/share:	$20.08
End price/share:	$11.38
Starting shares:	498.01
Ending shares:	605.60
Dividends reinvested/share:	$2.31
Total return:	-31.05%
Average Annual Total Return:	-8.80%
Starting investment:	$10,000.00
Ending investment:	$6,893.58
Years:	4.04

Growth of $10,000.00 Without Dividends Reinvested
Start date:	08/09/2021
End date:	08/22/2025
Start price/share:	$20.08
End price/share:	$11.38
Dividends collected/share:	$2.31
Total return:	-31.79%
Average Annual Total Return:	-9.04%
Starting investment:	$10,000.00
Ending investment:	$6,820.61
Years:	4.04

MIO Historical Closing Prices
Date	Close
08/18/2025	$11.34
08/19/2025	$11.36
08/20/2025	$11.34
08/21/2025	$11.35
08/22/2025	$11.38

Materials Historical Prices

MIO is categorized under the Materials sector; below are some other companies in the same sector:

MIX Historical Stock Prices
MJO Historical Stock Prices
MJX Historical Stock Prices
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MLM Historical Stock Prices
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MMX Historical Stock Prices
MMY Historical Stock Prices

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MIO Historical Stock Prices By Date:

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