Principal Spectrum Preferred Securities ETF (NY: PREF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Mar 29, 2018		15.99	15.99	15.99	0	+0.02(+0.09%)
Mar 28, 2018	15.98	15.98	15.98	15.98	2,127	-0.02(-0.13%)
Mar 27, 2018	15.97	16.00	15.97	16.00	5,790	+0.05(+0.29%)
Mar 26, 2018	16.00	16.00	15.95	15.95	19,663	-0.02(-0.09%)
Mar 23, 2018	15.99	15.99	15.95	15.97	10,453	-0.04(-0.26%)
Mar 22, 2018	16.03	16.03	16.01	16.01	9,716	-0.02(-0.11%)
Mar 21, 2018	16.04	16.05	16.03	16.03	16,213	-0.02(-0.15%)
Mar 20, 2018	16.05	16.05	16.05	16.05	3,102	-0.04(-0.25%)
Mar 19, 2018	16.10	16.11	16.09	16.09	7,728	+0.00(+0.02%)
Mar 16, 2018	16.08	16.09	16.07	16.09	4,662	+0.00(+0.01%)
Mar 15, 2018	16.08	16.09	16.07	16.09	5,217	-0.01(-0.04%)
Mar 14, 2018	16.09	16.09	16.08	16.09	5,766	+0.01(+0.04%)
Mar 13, 2018	16.10	16.10	16.09	16.09	5,546	-0.03(-0.19%)
Mar 12, 2018	16.12	16.12	16.12	16.12	3,693	-0.00(-0.02%)
Mar 09, 2018	16.12	16.13	16.09	16.12	3,998	-0.03(-0.22%)
Mar 08, 2018	16.17	16.17	16.15	16.16	11,837	+0.01(+0.08%)
Mar 07, 2018	16.14	16.14	16.14	16.14	999	+0.00(+0.03%)
Mar 06, 2018	16.16	16.16	16.14	16.14	5,546	+0.01(+0.05%)
Mar 05, 2018	16.13	16.13	16.13	16.13	121	+0.01(+0.06%)
Mar 02, 2018	16.11	16.12	16.07	16.12	18,682	-0.01(-0.03%)
Mar 01, 2018	16.15	16.15	16.13	16.13	2,840	-0.10(-0.59%)
Feb 28, 2018	16.23	16.23	16.22	16.22	20,907	+0.01(+0.05%)
Feb 27, 2018	16.25	16.25	16.18	16.21	51,347	-0.03(-0.18%)
Feb 26, 2018	16.24	16.26	16.21	16.24	45,526	+0.02(+0.12%)
Feb 23, 2018	16.22	16.22	16.22	16.22	1,273	+0.00(+0.00%)
Feb 22, 2018	16.25	16.26	16.22	16.22	8,893	+0.02(+0.13%)
Feb 21, 2018	16.24	16.25	16.20	16.20	58,449	-0.06(-0.35%)
Feb 20, 2018	16.25	16.26	16.25	16.26	5,723	-0.02(-0.11%)
Feb 16, 2018		16.28	16.28	16.28	0	+0.01(+0.07%)
Feb 15, 2018	16.27	16.27	16.26	16.26	31,879	+0.06(+0.38%)
Feb 14, 2018	16.25	16.25	16.20	16.20	7,802	-0.06(-0.39%)
Feb 13, 2018	16.27	16.28	16.26	16.27	13,269	-0.02(-0.15%)
Feb 12, 2018	16.29	16.29	16.29	16.29	914	+0.01(+0.06%)
Feb 09, 2018	16.27	16.28	16.23	16.28	24,192	-0.01(-0.06%)
Feb 08, 2018	16.33	16.33	16.29	16.29	2,011	+0.01(+0.04%)
Feb 07, 2018	16.31	16.31	16.29	16.28	10,453	-0.01(-0.04%)
Feb 06, 2018	16.30	16.32	16.29	16.29	14,208	-0.08(-0.46%)
Feb 02, 2018		16.37	16.37	16.37	469	-0.04(-0.24%)
Feb 01, 2018	16.41	16.41	16.40	16.41	7,028	-0.10(-0.63%)
Jan 31, 2018	16.46	16.51	16.46	16.51	16,134	+0.05(+0.32%)
Jan 30, 2018	16.49	16.49	16.46	16.46	247,870	-0.03(-0.21%)
Jan 29, 2018	16.49	16.49	16.49	16.49	1,017	+0.00(+0.00%)
Jan 26, 2018	16.49	16.49	16.49	16.49	21,376	-0.01(-0.06%)
Jan 25, 2018	16.50	16.50	16.48	16.50	6,229	+0.01(+0.07%)
Jan 24, 2018	16.49	16.49	16.49	16.49	444	+0.00(+0.00%)
Jan 23, 2018	16.49	16.50	16.48	16.49	12,922	+0.02(+0.12%)
Jan 22, 2018	16.47	16.47	16.47	16.47	2,706	-0.02(-0.15%)
Jan 19, 2018	16.50	16.50	16.50	16.50	1,816	-0.03(-0.21%)
Jan 18, 2018	16.53	16.53	16.53	16.53	847	+0.00(+0.00%)
Jan 17, 2018	16.51	16.53	16.51	16.53	2,212	-0.00(-0.03%)
Jan 16, 2018	16.54	16.54	16.54	16.54	2,383	+0.03(+0.18%)
Jan 12, 2018		16.51	16.51	16.51	0	+0.00(+0.00%)
Jan 11, 2018	16.55	16.55	16.49	16.51	11,538	+0.03(+0.21%)
Jan 10, 2018	16.47	16.47	16.47	16.47	1,219	+0.00(+0.01%)
Jan 09, 2018	16.47	16.47	16.47	16.47	103	+0.00(+0.00%)
Jan 08, 2018	16.47	16.47	16.47	16.47	1,371	+0.00(+0.00%)
Jan 05, 2018	16.47	16.47	16.47	16.47	8,472	-0.02(-0.14%)
Jan 04, 2018	16.49	16.49	16.49	16.49	1,834	+0.02(+0.15%)
Jan 03, 2018	16.47	16.47	16.47	16.47	30	+0.05(+0.28%)