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 $1,085.27 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $871.11, while $1000 invested 1 year ago would be worth $915.03. This corresponds to total returns of 8.53%, -12.89%, -8.5%, respectively, with annualized returns of 0.82%, -2.72%, -8.5%.

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
October 21, 2026	9.96	9.77	9.77	9.96	9.76	1.38M
October 20, 2026	9.88	9.91	9.91	9.95	9.88	788,187
October 19, 2026	9.86	9.85	9.85	9.89	9.79	731,392
October 16, 2026	9.78	9.86	9.86	9.95	9.7	1.52M
October 15, 2026	9.57	9.78	9.78	9.81	9.56	2.49M
October 14, 2026	9.54	9.52	9.52	9.57	9.45	850,881
October 13, 2026	9.56	9.59	9.59	9.64	9.49	1.63M
October 12, 2026	9.65	9.54	9.54	9.65	9.52	451,338
October 09, 2026	9.48	9.57	9.57	9.62	9.47	768,942
October 08, 2026	9.51	9.47	9.47	9.54	9.37	2.4M
October 07, 2026	9.56	9.47	9.47	9.6	9.42	1.32M
October 06, 2026	9.54	9.64	9.64	9.67	9.51	865,692
October 05, 2026	9.7	9.54	9.54	9.74	9.5	864,423
October 02, 2026	9.83	9.77	9.77	9.93	9.76	640,091
October 01, 2026	9.69	9.74	9.74	9.81	9.56	1.18M
September 30, 2026	9.59	9.63	9.63	9.73	9.55	910,945
September 29, 2026	9.56	9.52	9.52	9.63	9.42	1.28M
September 28, 2026	9.69	9.58	9.58	9.7	9.5	1.28M
September 25, 2026	9.78	9.78	9.78	9.83	9.73	710,097
September 24, 2026	9.83	9.79	9.79	9.85	9.66	1.73M
September 23, 2026	9.98	9.81	9.81	9.98	9.73	1.42M
September 22, 2026	10	10	10	10.06	9.98	780,215
September 21, 2026	10.11	10.02	10.02	10.12	10	482,717
September 18, 2026	10.14	10.11	10.11	10.23	10.04	303,410
September 17, 2026	10.26	10.17	10.17	10.26	10.14	506,028
September 16, 2026	10.11	10.1	10.1	10.13	10.04	595,376
September 15, 2026	10.17	10.06	10.06	10.19	9.94	872,489
September 11, 2026	10.29	10.33	10.33	10.33	10.26	395,199
September 10, 2026	10.36	10.32	10.32	10.37	10.28	598,714
September 09, 2026	10.52	10.38	10.38	10.53	10.38	282,755
September 08, 2026	10.49	10.5	10.5	10.5	10.47	286,110
September 04, 2026	10.53	10.47	10.47	10.53	10.47	196,760
September 03, 2026	10.55	10.51	10.51	10.57	10.51	310,369
September 02, 2026	10.62	10.53	10.53	10.64	10.53	356,816
September 01, 2026	10.7	10.61	10.61	10.73	10.6	379,546
August 31, 2026	10.74	10.71	10.71	10.74	10.7	164,276
August 28, 2026	10.77	10.74	10.74	10.79	10.7	341,901
August 27, 2026	10.72	10.77	10.77	10.8	10.72	208,616
August 26, 2026	10.78	10.74	10.74	10.78	10.73	182,249
August 25, 2026	10.77	10.78	10.78	10.78	10.71	335,538
August 24, 2026	10.75	10.71	10.71	10.75	10.71	185,656
August 21, 2026	10.72	10.7	10.7	10.73	10.69	245,234
August 20, 2026	10.78	10.72	10.72	10.79	10.71	379,629
August 19, 2026	10.81	10.82	10.82	10.82	10.76	560,641
August 18, 2026	10.77	10.75	10.75	10.78	10.72	368,375
August 17, 2026	10.83	10.77	10.77	10.85	10.77	307,790
August 14, 2026	10.85	10.83	10.83	10.87	10.81	355,150
August 13, 2026	10.82	10.88	10.88	10.91	10.81	317,689
August 12, 2026	10.85	10.78	10.78	10.86	10.77	299,887
August 11, 2026	10.81	10.78	10.78	10.83	10.77	0
August 10, 2026	10.84	10.82	10.82	10.87	10.79	173,081
August 07, 2026	10.81	10.84	10.84	10.86	10.8	367,517
August 06, 2026	10.78	10.77	10.77	10.8	10.75	209,703
August 05, 2026	10.78	10.78	10.78	10.85	10.75	292,404
August 04, 2026	10.76	10.77	10.77	10.83	10.74	340,115
August 03, 2026	10.73	10.74	10.74	10.75	10.64	365,805
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