Ciena Corporation Stock Price History | Historical CIEN Company Stock Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 21, 2013	15.93	16.10	15.82	15.87	0	-0.10(-0.63%)
May 20, 2013	16.27	16.35	15.84	15.97	0	-0.38(-2.32%)
May 17, 2013	16.10	16.40	16.00	16.35	0	+0.32(+2.00%)
May 16, 2013	15.57	16.33	15.57	16.03	8,678,698	+0.97(+6.44%)
May 15, 2013	15.15	15.38	15.03	15.06	3,794,981	-0.02(-0.13%)
May 13, 2013	15.18	15.31	15.06	15.08	0	-0.09(-0.59%)
May 10, 2013	15.09	15.46	15.09	15.17	0	+0.07(+0.46%)
May 09, 2013	15.03	15.27	14.94	15.10	0	-0.01(-0.07%)
May 08, 2013	15.01	15.12	14.89	15.11	2,403,856	+0.02(+0.13%)
May 07, 2013	15.44	15.45	15.01	15.09	3,224,524	-0.16(-1.05%)
May 06, 2013	14.96	15.32	14.86	15.25	0	+0.54(+3.67%)
May 03, 2013	14.60	14.90	14.32	14.71	0	+0.39(+2.72%)
May 02, 2013	14.60	14.70	14.22	14.32	4,260,441	-0.02(-0.14%)
May 01, 2013	14.92	14.96	14.34	14.34	3,817,383	-0.62(-4.14%)
Apr 30, 2013	14.73	14.98	14.58	14.96	2,913,235	+0.16(+1.08%)
Apr 29, 2013	14.88	14.96	14.69	14.80	1,961,419	+0.02(+0.14%)
Apr 26, 2013	14.84	14.88	14.72	14.78	1,870,507	-0.10(-0.67%)
Apr 25, 2013	15.30	15.53	14.87	14.88	3,308,812	-0.07(-0.47%)
Apr 24, 2013	14.82	15.12	14.60	14.95	3,602,084	-0.28(-1.84%)
Apr 23, 2013	14.80	15.25	14.76	15.23	3,787,335	+0.57(+3.89%)
Apr 22, 2013	14.65	14.77	14.14	14.66	3,761,419	+0.03(+0.21%)
Apr 19, 2013	14.79	14.95	14.45	14.63	3,870,696	-0.04(-0.27%)
Apr 18, 2013	15.15	15.28	14.52	14.67	3,576,256	-0.40(-2.69%)
Apr 17, 2013	15.45	15.48	14.85	15.07	4,587,661	-0.56(-3.55%)
Apr 16, 2013	15.81	15.97	15.45	15.63	2,757,542	-0.06(-0.38%)
Apr 15, 2013	16.19	16.35	15.56	15.69	4,110,112	-0.67(-4.10%)
Apr 12, 2013	16.37	16.47	15.95	16.36	1,563,877	-0.13(-0.79%)
Apr 11, 2013	16.29	16.55	16.15	16.49	2,257,449	+0.09(+0.55%)
Apr 10, 2013	16.02	16.81	15.98	16.40	7,506,482	+0.88(+5.67%)
Apr 09, 2013	15.53	15.78	15.25	15.52	2,902,766	+0.01(+0.06%)
Apr 08, 2013	15.07	15.52	15.07	15.51	2,869,408	+0.49(+3.26%)
Apr 05, 2013	14.80	15.26	14.72	15.02	4,636,850	-0.55(-3.53%)
Apr 04, 2013	15.41	15.67	15.28	15.57	2,539,618	+0.21(+1.37%)
Apr 03, 2013	15.48	15.93	15.32	15.36	3,488,789	-0.09(-0.55%)
Apr 02, 2013	15.97	16.10	15.34	15.45	3,680,230	-0.46(-2.86%)
Apr 01, 2013	16.05	16.15	15.68	15.90	2,645,137	-0.11(-0.69%)
Mar 28, 2013	15.97	16.10	15.87	16.01	1,361,322	-0.01(-0.06%)
Mar 27, 2013	15.82	16.04	15.63	16.02	1,624,984	+0.13(+0.82%)
Mar 26, 2013	16.14	16.36	15.80	15.89	2,543,792	-0.20(-1.24%)
Mar 25, 2013	15.84	16.12	15.66	16.09	3,262,661	+0.33(+2.09%)
Mar 22, 2013	16.31	16.33	15.62	15.76	4,573,269	-0.51(-3.13%)
Mar 21, 2013	16.38	16.82	16.13	16.27	6,361,592	-0.68(-3.98%)
Mar 20, 2013	16.84	17.24	16.77	16.95	3,709,474	+0.24(+1.47%)
Mar 19, 2013	17.07	17.16	16.58	16.70	2,905,296	-0.29(-1.71%)
Mar 18, 2013	16.70	17.18	16.61	16.99	2,167,510	+0.00(+0.00%)
Mar 15, 2013	17.02	17.13	16.69	16.99	2,908,642	-0.11(-0.64%)
Mar 14, 2013	17.00	17.28	17.00	17.10	2,375,157	+0.25(+1.48%)
Mar 13, 2013	17.10	17.19	16.74	16.85	2,764,385	-0.25(-1.46%)
Mar 12, 2013	17.25	17.43	17.07	17.10	2,638,186	-0.17(-0.98%)
Mar 11, 2013	17.20	17.50	17.01	17.27	3,326,779	+0.12(+0.70%)
Mar 08, 2013	17.70	17.78	17.11	17.15	6,775,597	-0.38(-2.17%)
Mar 07, 2013	17.10	17.75	16.80	17.53	17,715,667	+2.59(+17.34%)
Mar 06, 2013	15.06	15.17	14.81	14.94	4,300,943	+0.02(+0.13%)
Mar 05, 2013	15.02	15.20	14.86	14.92	3,044,527	-0.01(-0.07%)
Mar 04, 2013	14.83	14.98	14.74	14.93	2,916,567	+0.10(+0.67%)

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