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 $1,151.74 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $953.75, while $1000 invested 1 year ago would be worth $1,099.6. This corresponds to total returns of 15.17%, -4.62%, 9.96%, respectively, with annualized returns of 1.42%, -0.94%, 9.96%.

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
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
May 04, 2026	10.77	10.73	10.73	10.8	10.7	456,843
May 01, 2026	10.85	10.8	10.8	10.85	10.75	358,330
April 30, 2026	10.8	10.8	10.8	10.86	10.76	590,687
April 29, 2026	10.8	10.76	10.76	10.83	10.74	361,653
April 28, 2026	10.88	10.82	10.82	10.88	10.78	446,670
April 27, 2026	10.94	10.9	10.9	10.94	10.84	417,835
April 24, 2026	10.93	10.91	10.91	10.93	10.83	320,954
April 23, 2026	10.99	10.9	10.9	11.02	10.89	236,150
April 22, 2026	10.97	10.97	10.97	10.99	10.86	365,875
April 21, 2026	11.04	10.96	10.96	11.05	10.96	198,396
April 20, 2026	11.06	11.02	11.02	11.07	11	166,728
April 17, 2026	11.05	11.05	11.05	11.07	11	224,674
April 16, 2026	11.05	11.03	11.03	11.06	10.98	220,349
April 15, 2026	11.07	11.04	11.04	11.07	11.02	333,039
April 14, 2026	11.13	11.12	11.12	11.15	11.07	594,904
April 13, 2026	11.04	11.09	11.09	11.1	11.01	367,810
April 10, 2026	11.08	11.05	11.05	11.08	11.02	327,915
April 09, 2026	10.97	11.04	11.04	11.05	10.97	361,269
April 08, 2026	10.85	10.93	10.93	10.97	10.82	405,865
April 07, 2026	10.56	10.71	10.71	10.73	10.47	370,600
April 06, 2026	10.61	10.56	10.56	10.61	10.5	411,094
April 02, 2026	10.59	10.66	10.66	10.77	10.53	354,310
April 01, 2026	10.56	10.62	10.62	10.66	10.54	318,797
March 31, 2026	10.5	10.51	10.51	10.61	10.43	410,567
March 30, 2026	10.47	10.39	10.39	10.51	10.37	605,635
March 27, 2026	10.45	10.45	10.45	10.47	10.4	303,158
March 26, 2026	10.56	10.46	10.46	10.62	10.46	235,428