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MYI Historical Price Range
Date	Open	High	Low	Close	Volume
08/03/2026	$10.73	$10.75	$10.64	$10.74	365.80K
08/04/2026	$10.76	$10.83	$10.74	$10.77	340.10K
08/05/2026	$10.78	$10.85	$10.75	$10.78	292.40K
08/06/2026	$10.78	$10.80	$10.75	$10.77	209.70K
08/07/2026	$10.81	$10.86	$10.80	$10.84	367.50K

About BlackRock MuniYield Quality Fund III

BlackRock MuniYield Quality Fund III is a closed-end management investment company. The Fund's investment objective is to provide shareholders with as higher a level of current income exempt from United States federal income taxes as is consistent with its investment policies and investment management.

BlackRock MuniYield Quality Fund III (MYI) has the following price history information. Looking back at MYI historical stock prices for the last five trading days, on August 03, 2026, MYI opened at $10.73, traded as high as $10.75 and as low as $10.64, and closed at $10.74. Trading volume was a total of 365.80K shares. On August 04, 2026, MYI opened at $10.76, traded as high as $10.83 and as low as $10.74, and closed at $10.77. Trading volume was a total of 340.10K shares. On August 05, 2026, MYI opened at $10.78, traded as high as $10.85 and as low as $10.75, and closed at $10.78. Trading volume was a total of 292.40K shares. On August 06, 2026, MYI opened at $10.78, traded as high as $10.80 and as low as $10.75, and closed at $10.77. Trading volume was a total of 209.70K shares. On August 07, 2026, MYI opened at $10.81, traded as high as $10.86 and as low as $10.80, and closed at $10.84. Trading volume was a total of 367.50K shares.

MYI Historical Stock Prices By Date:

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

Growth of $10,000.00 With Dividends Reinvested
Start date:	08/09/2016
End date:	08/07/2026
Start price/share:	$15.69
End price/share:	$10.84
Starting shares:	637.35
Ending shares:	1,068.23
Dividends reinvested/share:	$6.41
Total return:	15.80%
Average Annual Total Return:	1.48%
Starting investment:	$10,000.00
Ending investment:	$11,582.56
Years:	10.00

Growth of $10,000.00 Without Dividends Reinvested
Start date:	08/09/2016
End date:	08/07/2026
Start price/share:	$15.69
End price/share:	$10.84
Dividends collected/share:	$6.41
Total return:	9.92%
Average Annual Total Return:	0.95%
Starting investment:	$10,000.00
Ending investment:	$10,991.66
Years:	10.00

MYI Historical Closing Prices
Date	Close
08/03/2026	$10.74
08/04/2026	$10.77
08/05/2026	$10.78
08/06/2026	$10.77
08/07/2026	$10.84

Financials Historical Prices

MYI is categorized under the Financials sector; below are some other companies in the same sector:

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MYI Historical Stock Prices By Date:

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