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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2011	6.170	6.232	6.165	6.208	173,588	+0.04(+0.62%)
Jan 28, 2011	6.146	6.198	6.117	6.170	167,966	+0.01(+0.16%)
Jan 27, 2011	6.203	6.208	6.155	6.160	141,002	-0.04(-0.69%)
Jan 26, 2011	6.222	6.284	6.203	6.203	164,725	-0.02(-0.38%)
Jan 25, 2011	6.222	6.261	6.217	6.227	105,570	-0.03(-0.53%)
Jan 24, 2011	6.170	6.261	6.136	6.261	163,424	+0.10(+1.55%)
Jan 21, 2011	6.093	6.194	6.079	6.165	246,649	+0.07(+1.18%)
Jan 20, 2011	5.907	6.170	5.907	6.093	348,975	+0.12(+2.00%)
Jan 19, 2011	5.940	6.002	5.859	5.974	276,693	+0.00(+0.00%)
Jan 18, 2011	5.902	5.978	5.811	5.974	306,940	+0.07(+1.21%)
Jan 14, 2011	5.854	5.921	5.677	5.902	527,954	-0.03(-0.56%)
Jan 13, 2011	6.041	6.041	5.887	5.935	405,295	-0.13(-2.21%)
Jan 12, 2011	6.184	6.194	6.031	6.069	234,238	-0.11(-1.80%)
Jan 11, 2011	6.228	6.238	6.171	6.181	159,487	-0.05(-0.76%)
Jan 10, 2011	6.290	6.314	6.204	6.228	138,693	-0.08(-1.28%)
Jan 07, 2011	6.319	6.347	6.295	6.309	69,288	-0.04(-0.60%)
Jan 06, 2011	6.347	6.395	6.323	6.347	87,544	-0.02(-0.30%)
Jan 05, 2011	6.428	6.428	6.352	6.366	114,078	-0.08(-1.18%)
Jan 04, 2011	6.480	6.528	6.433	6.442	106,323	-0.01(-0.22%)
Jan 03, 2011	6.523	6.547	6.456	6.456	154,975	-0.07(-1.02%)
Dec 31, 2010	6.399	6.537	6.380	6.523	167,469	+0.17(+2.62%)
Dec 30, 2010	6.276	6.357	6.214	6.357	168,756	+0.07(+1.06%)
Dec 29, 2010	6.266	6.328	6.247	6.290	217,276	-0.01(-0.15%)
Dec 28, 2010	6.271	6.300	6.185	6.300	181,435	+0.02(+0.30%)
Dec 27, 2010	6.276	6.323	6.252	6.280	97,838	-0.00(-0.02%)
Dec 23, 2010	6.314	6.357	6.230	6.282	169,955	-0.08(-1.25%)
Dec 22, 2010	6.252	6.395	6.252	6.361	187,970	+0.09(+1.36%)
Dec 21, 2010	6.361	6.380	6.219	6.276	199,210	-0.11(-1.71%)
Dec 20, 2010	6.575	6.575	6.290	6.385	218,494	-0.17(-2.61%)
Dec 17, 2010	6.490	6.575	6.437	6.556	382,228	+0.01(+0.22%)
Dec 16, 2010	6.323	6.551	6.323	6.542	300,040	+0.24(+3.77%)
Dec 15, 2010	6.223	6.319	6.214	6.304	322,174	+0.00(+0.00%)
Dec 14, 2010	6.323	6.323	6.200	6.304	211,128	-0.04(-0.67%)
Dec 13, 2010	6.257	6.357	6.204	6.347	271,887	+0.06(+0.89%)
Dec 10, 2010	6.201	6.296	6.140	6.291	285,511	+0.06(+0.99%)
Dec 09, 2010	6.310	6.320	6.159	6.230	357,124	-0.10(-1.57%)
Dec 08, 2010	6.315	6.414	6.263	6.329	224,586	-0.03(-0.52%)
Dec 07, 2010	6.499	6.499	6.315	6.362	354,665	-0.17(-2.60%)
Dec 06, 2010	6.575	6.595	6.499	6.532	112,415	-0.06(-0.86%)
Dec 03, 2010	6.565	6.650	6.551	6.589	101,477	+0.02(+0.29%)
Dec 02, 2010	6.674	6.674	6.546	6.570	154,753	-0.12(-1.77%)
Dec 01, 2010	6.854	6.868	6.641	6.688	157,252	-0.14(-2.08%)
Nov 30, 2010	6.811	6.920	6.806	6.830	139,882	+0.01(+0.14%)
Nov 29, 2010	6.830	6.858	6.806	6.821	87,257	-0.01(-0.14%)
Nov 26, 2010	6.712	6.830	6.712	6.830	53,424	+0.12(+1.76%)
Nov 24, 2010	6.698	6.712	6.712	6.712	108,101	+0.00(+0.00%)
Nov 23, 2010	6.608	6.754	6.603	6.712	233,800	+0.11(+1.72%)
Nov 22, 2010	6.518	6.598	6.490	6.598	191,419	+0.08(+1.16%)
Nov 19, 2010	6.480	6.537	6.447	6.523	210,490	+0.04(+0.66%)
Nov 18, 2010	6.494	6.495	6.376	6.480	210,668	-0.01(-0.22%)
Nov 17, 2010	6.419	6.580	6.381	6.494	286,791	+0.11(+1.70%)
Nov 16, 2010	6.145	6.459	5.979	6.386	772,392	-0.13(-1.96%)
Nov 15, 2010	6.513	6.513	6.112	6.513	646,887	-0.02(-0.36%)
Nov 12, 2010	6.518	6.617	6.291	6.537	441,352	-0.04(-0.54%)
Nov 11, 2010	6.641	6.641	6.291	6.572	486,976	-0.12(-1.73%)
Nov 10, 2010	6.863	6.863	6.636	6.688	315,511	-0.20(-2.97%)
Nov 09, 2010	6.931	6.949	6.879	6.893	183,093	-0.06(-0.81%)
Nov 08, 2010	6.992	7.010	6.935	6.949	117,234	-0.08(-1.07%)
Nov 05, 2010	7.039	7.048	7.015	7.025	116,979	-0.03(-0.40%)
Nov 04, 2010	7.020	7.076	7.001	7.053	203,993	+0.03(+0.40%)
Nov 03, 2010	6.982	7.029	6.982	7.025	123,557	+0.00(+0.07%)
Nov 02, 2010	7.001	7.029	7.001	7.020	109,884	+0.01(+0.20%)