BlackRock MuniYield Quality Fund, Inc. (NY: MQY )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2008	4.501	4.666	4.469	4.509	223,776	+0.00(+0.00%)
Dec 30, 2008	4.398	4.679	4.384	4.509	143,399	+0.12(+2.64%)
Dec 29, 2008	4.509	4.532	4.349	4.393	212,116	-0.13(-2.86%)
Dec 26, 2008	4.599	4.621	4.469	4.523	194,684	-0.03(-0.59%)
Dec 24, 2008	4.911	4.911	4.474	4.550	164,092	-0.15(-3.23%)
Dec 23, 2008	4.666	4.746	4.434	4.701	254,481	+0.12(+2.53%)
Dec 22, 2008	4.425	4.643	4.425	4.585	337,795	+0.12(+2.70%)
Dec 19, 2008	4.384	4.483	4.376	4.465	187,239	+0.06(+1.32%)
Dec 18, 2008	4.376	4.599	4.358	4.407	255,715	-0.03(-0.70%)
Dec 17, 2008	4.161	4.469	4.161	4.438	341,130	+0.28(+6.65%)
Dec 16, 2008	3.929	4.237	3.880	4.161	279,694	+0.15(+3.79%)
Dec 15, 2008	3.853	4.085	3.817	4.009	277,478	+0.08(+1.93%)
Dec 12, 2008	3.902	4.067	3.804	3.933	330,509	+0.07(+1.73%)
Dec 11, 2008	3.978	4.085	3.867	3.867	167,252	-0.14(-3.56%)
Dec 10, 2008	3.800	4.054	3.800	4.009	265,023	+0.09(+2.28%)
Dec 09, 2008	4.027	4.099	3.893	3.920	240,220	-0.05(-1.35%)
Dec 08, 2008	3.983	4.072	3.929	3.974	213,758	-0.13(-3.16%)
Dec 05, 2008	4.380	4.384	4.023	4.103	223,389	-0.22(-5.06%)
Dec 04, 2008	4.425	4.483	4.309	4.322	198,028	-0.18(-3.99%)
Dec 03, 2008	4.465	4.509	4.309	4.502	268,213	+0.14(+3.09%)
Dec 02, 2008	4.286	4.398	4.242	4.367	120,007	-0.06(-1.31%)
Dec 01, 2008	4.518	4.599	4.349	4.425	89,251	-0.10(-2.17%)
Nov 28, 2008	4.429	4.534	4.344	4.523	68,663	+0.15(+3.37%)
Nov 26, 2008	4.380	4.389	4.264	4.376	151,796	-0.02(-0.41%)
Nov 25, 2008	4.380	4.499	4.376	4.393	125,364	+0.00(+0.10%)
Nov 24, 2008	4.416	4.532	4.277	4.389	185,013	-0.03(-0.71%)
Nov 21, 2008	4.246	4.469	4.219	4.420	182,140	+0.16(+3.66%)
Nov 20, 2008	4.358	4.509	4.228	4.264	265,288	-0.09(-2.15%)
Nov 19, 2008	4.451	4.460	4.242	4.358	190,662	-0.15(-3.37%)
Nov 18, 2008	4.626	4.742	4.447	4.509	147,014	-0.15(-3.26%)
Nov 17, 2008	4.693	4.724	4.657	4.661	143,078	-0.11(-2.34%)
Nov 14, 2008	4.643	4.787	4.572	4.773	154,985	+0.12(+2.60%)
Nov 13, 2008	4.755	4.800	4.581	4.652	142,888	-0.07(-1.52%)
Nov 12, 2008	4.934	5.041	4.724	4.724	95,338	-0.30(-6.04%)
Nov 11, 2008	5.059	5.063	4.960	5.027	92,803	-0.01(-0.18%)
Nov 10, 2008	5.023	5.063	4.938	5.036	117,799	+0.01(+0.18%)
Nov 07, 2008	5.135	5.139	4.934	5.027	134,265	-0.06(-1.23%)
Nov 06, 2008	4.911	5.130	4.907	5.090	109,276	+0.07(+1.42%)
Nov 05, 2008	4.844	5.117	4.844	5.018	108,978	-0.00(-0.09%)
Nov 04, 2008	4.911	5.268	4.822	5.023	150,962	+0.21(+4.36%)
Nov 03, 2008	4.844	4.879	4.710	4.813	107,791	-0.05(-1.10%)
Oct 31, 2008	4.768	5.085	4.608	4.867	205,973	+0.12(+2.44%)
Oct 30, 2008	4.648	4.974	4.648	4.751	149,529	+0.00(+0.00%)
Oct 29, 2008	4.755	4.858	4.661	4.751	197,623	+0.04(+0.95%)
Oct 28, 2008	4.688	4.755	4.630	4.706	164,078	+0.03(+0.67%)
Oct 27, 2008	4.554	4.853	4.554	4.675	247,067	-0.07(-1.41%)
Oct 24, 2008	4.576	4.911	4.576	4.742	214,313	+0.14(+3.01%)
Oct 23, 2008	4.371	4.603	4.371	4.603	231,246	+0.36(+8.53%)
Oct 22, 2008	4.157	4.300	4.139	4.242	322,410	+0.09(+2.15%)
Oct 21, 2008	4.161	4.221	4.112	4.152	234,256	-0.04(-0.96%)
Oct 20, 2008	4.103	4.228	4.081	4.192	318,289	+0.13(+3.19%)
Oct 17, 2008	3.938	4.121	3.929	4.063	153,874	+0.00(+0.00%)
Oct 16, 2008	3.933	4.085	3.804	4.063	187,862	+0.21(+5.57%)
Oct 15, 2008	4.050	4.050	3.795	3.849	225,127	-0.30(-7.21%)
Oct 14, 2008	4.554	4.554	4.130	4.148	259,173	+0.02(+0.43%)
Oct 13, 2008	3.585	4.157	3.585	4.130	346,422	+0.60(+17.09%)
Oct 10, 2008	3.514	3.603	2.947	3.527	565,419	-0.29(-7.49%)
Oct 09, 2008	4.170	4.194	3.679	3.813	323,212	-0.41(-9.63%)
Oct 08, 2008	4.465	4.465	3.844	4.219	248,682	-0.29(-6.53%)
Oct 07, 2008	4.666	4.734	4.487	4.514	217,711	-0.15(-3.25%)
Oct 06, 2008	5.157	5.193	4.523	4.666	210,878	-0.53(-10.15%)
Oct 03, 2008	5.184	5.313	5.179	5.193	80,010	-0.03(-0.51%)
Oct 02, 2008	5.358	5.358	5.179	5.219	156,512	+0.07(+1.30%)