BlackRock MuniYield Quality Fund III, Inc. (MYI) NYSE

Currency In USD

MYI Historical Return

If you invested $1000 in BlackRock MuniYield Quality Fund III, Inc. (MYI) 10 years ago, it would be worth $1,118.57 as of August 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $904.92, while $1000 invested 1 year ago would be worth $1,067.07. This corresponds to total returns of 11.86%, -9.51%, 6.71%, respectively, with annualized returns of 1.13%, -1.98%, 6.71%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

MYI Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
July 31, 2026	10.74	10.66	10.66	10.78	10.65	194,663
July 30, 2026	10.79	10.74	10.74	10.79	10.68	247,394
July 29, 2026	10.76	10.76	10.76	10.82	10.73	206,064
July 28, 2026	10.74	10.75	10.75	10.77	10.7	236,850
July 27, 2026	10.74	10.72	10.72	10.77	10.67	263,212
July 23, 2026	10.81	10.75	10.75	10.81	10.73	174,872
July 22, 2026	10.85	10.84	10.84	10.88	10.79	326,562
July 21, 2026	10.92	10.86	10.86	10.93	10.82	267,675
July 20, 2026	10.94	10.91	10.91	10.94	10.9	111,898
July 17, 2026	10.98	10.91	10.91	10.98	10.91	254,060
July 16, 2026	11.02	10.96	10.96	11.02	10.95	210,153
July 15, 2026	11.07	11	11	11.08	11	205,440
July 14, 2026	11.04	11.07	11.07	11.1	11	294,812
July 13, 2026	11.01	10.99	10.99	11.01	10.96	341,535
July 10, 2026	11.05	11	11	11.06	10.97	225,569
July 09, 2026	11	11.02	11.02	11.04	10.92	433,539
July 08, 2026	10.99	10.97	10.97	11.02	10.93	371,987
July 07, 2026	11.08	10.96	10.96	11.09	10.96	401,677
July 06, 2026	11.12	11.07	11.07	11.13	11.06	319,195
July 02, 2026	11.14	11.12	11.12	11.18	11.11	288,401
July 01, 2026	11.15	11.11	11.11	11.16	11.1	349,580
June 30, 2026	11.18	11.11	11.11	11.21	11.1	282,420
June 29, 2026	11.11	11.15	11.15	11.19	11.1	330,291
June 26, 2026	11	11.06	11.06	11.07	11	246,252
June 25, 2026	11.02	10.99	10.99	11.05	10.95	313,716
June 24, 2026	11.03	11.02	11.02	11.04	10.98	327,768
June 23, 2026	10.92	11.03	11.03	11.03	10.92	219,187
June 22, 2026	10.97	10.93	10.93	10.98	10.92	115,464
June 18, 2026	10.95	10.98	10.98	10.98	10.91	253,064
June 17, 2026	10.95	10.9	10.9	10.97	10.88	202,752
June 16, 2026	10.9	10.93	10.93	10.96	10.89	219,815
June 15, 2026	10.98	10.91	10.91	10.98	10.87	280,253
June 12, 2026	10.99	10.95	10.95	10.99	10.93	112,045
June 11, 2026	11	10.99	10.99	11.02	10.93	203,720
June 10, 2026	10.93	10.96	10.96	11.02	10.93	393,454
June 09, 2026	10.83	10.95	10.95	10.95	10.82	322,094
June 08, 2026	10.84	10.77	10.77	10.87	10.77	312,430
June 05, 2026	10.89	10.83	10.83	10.89	10.79	319,466
June 04, 2026	10.91	10.91	10.91	10.96	10.91	320,467
June 03, 2026	10.94	10.91	10.91	10.95	10.84	348,033
June 02, 2026	10.93	10.93	10.93	10.98	10.88	460,335
June 01, 2026	11	10.93	10.93	11	10.9	306,728
May 29, 2026	10.95	11	11	11	10.94	217,731
May 28, 2026	10.94	10.95	10.95	10.95	10.9	187,027
May 27, 2026	10.87	10.92	10.92	10.97	10.83	364,782
May 26, 2026	10.76	10.84	10.84	10.84	10.71	292,581
May 22, 2026	10.74	10.68	10.68	10.77	10.64	1,080
May 21, 2026	10.72	10.68	10.68	10.73	10.65	227,033
May 20, 2026	10.59	10.72	10.72	10.73	10.57	258,425
May 19, 2026	10.58	10.59	10.59	10.64	10.58	238,419
May 18, 2026	10.75	10.66	10.66	10.79	10.65	276,546
May 15, 2026	10.75	10.76	10.76	10.82	10.74	257,577
May 14, 2026	10.93	10.91	10.91	10.94	10.89	134,589
May 13, 2026	10.94	10.9	10.9	10.95	10.87	191,429
May 12, 2026	10.96	10.95	10.95	11	10.93	206,316
May 11, 2026	11.04	11.03	11.03	11.05	11	154,109
May 08, 2026	11.04	11.03	11.03	11.04	11.01	127,419
May 07, 2026	11.04	11.02	11.02	11.05	10.98	309,851
May 06, 2026	10.96	11.01	11.01	11.07	10.9	431,808
May 05, 2026	10.75	10.91	10.91	10.93	10.74	310,221