Ciena Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 19, 2026	415.50	415.50	392.67	399.47	399.47	-1.50%	1,735,630
Aug 18, 2026	421.59	427.74	391.77	405.54	405.54	-8.90%	3,036,209
Aug 17, 2026	438.38	458.00	427.45	445.18	445.18	3.83%	2,489,425
Aug 14, 2026	441.61	446.15	422.49	428.77	428.77	-3.17%	2,509,281
Aug 13, 2026	430.32	462.69	427.00	442.79	442.79	2.49%	2,907,028
Aug 12, 2026	414.51	446.36	409.24	432.05	432.05	11.49%	3,971,703
Aug 11, 2026	388.84	394.99	384.19	387.53	387.53	-0.04%	1,509,580
Aug 10, 2026	420.00	420.00	387.28	387.70	387.70	-5.99%	2,014,441
Aug 7, 2026	411.04	420.00	396.89	412.39	412.39	2.14%	1,853,055
Aug 6, 2026	396.05	419.49	390.56	403.76	403.76	-1.24%	1,332,620
Aug 5, 2026	408.56	424.58	399.07	408.83	408.83	-0.56%	1,756,743
Aug 4, 2026	419.08	427.00	405.01	411.13	411.13	5.21%	2,064,999
Aug 3, 2026	365.00	391.87	355.00	390.76	390.76	3.64%	1,238,594
Jul 31, 2026	393.98	401.00	374.38	377.05	377.05	1.34%	1,944,661
Jul 30, 2026	359.27	373.09	355.00	372.07	372.07	12.62%	2,452,867
Jul 29, 2026	349.64	350.80	323.29	330.37	330.37	-5.75%	2,614,959
Jul 28, 2026	354.90	357.47	328.80	350.51	350.51	-7.09%	4,149,599
Jul 27, 2026	388.19	388.19	360.00	377.27	377.27	-3.50%	1,511,740
Jul 24, 2026	401.85	408.74	386.25	390.96	390.96	-4.07%	1,487,505
Jul 23, 2026	394.10	415.80	394.10	407.53	407.53	2.61%	1,801,729
Jul 22, 2026	396.95	411.01	396.87	397.16	397.16	-2.83%	1,750,669
Jul 21, 2026	397.70	412.04	396.55	408.73	408.73	7.91%	2,030,079
Jul 20, 2026	375.01	394.56	375.00	378.77	378.77	1.16%	1,752,935
Jul 17, 2026	370.99	388.61	359.01	374.41	374.41	-3.70%	3,362,085
Jul 16, 2026	404.79	410.31	386.65	388.81	388.81	-7.09%	2,593,933
Jul 15, 2026	451.01	451.01	404.40	418.46	418.46	-6.37%	1,623,465
Jul 14, 2026	460.88	466.66	446.25	446.93	446.93	0.33%	1,243,413
Jul 13, 2026	448.67	461.45	440.51	445.44	445.44	-3.32%	1,175,346
Jul 10, 2026	453.00	464.42	450.00	460.72	460.72	-0.35%	1,280,182
Jul 9, 2026	460.60	485.69	459.81	462.34	462.34	4.85%	2,037,831
Jul 8, 2026	419.22	442.14	415.70	440.97	440.97	5.27%	1,806,801
Jul 7, 2026	418.77	425.96	404.43	418.91	418.91	-3.44%	1,781,604
Jul 6, 2026	426.99	446.40	422.30	433.83	433.83	2.69%	1,299,841
Jul 2, 2026	454.16	459.73	414.17	422.46	422.46	-8.65%	2,146,865
Jul 1, 2026	466.20	482.16	459.23	462.44	462.44	-5.73%	2,038,846
Jun 30, 2026	478.93	491.79	472.59	490.56	490.56	2.43%	2,409,686
Jun 29, 2026	476.10	482.46	435.12	478.93	478.93	-0.12%	4,060,025
Jun 26, 2026	466.33	493.26	457.70	479.50	479.50	-1.07%	7,788,812
Jun 25, 2026	477.42	494.53	451.56	484.69	484.69	4.57%	3,426,647
Jun 24, 2026	449.36	480.59	440.70	463.51	463.51	0.80%	2,801,981
Jun 23, 2026	437.00	467.89	432.49	459.85	459.85	-0.10%	3,816,527
Jun 22, 2026	437.83	461.50	430.51	460.33	460.33	7.50%	3,863,828
Jun 18, 2026	450.80	451.60	425.08	428.22	428.22	-1.95%	4,297,293
Jun 17, 2026	433.00	449.00	424.33	436.72	436.72	1.49%	2,883,827
Jun 16, 2026	458.73	463.55	426.62	430.30	430.30	-7.14%	4,210,629
Jun 15, 2026	469.95	479.51	447.63	463.41	463.41	3.91%	3,955,900
Jun 12, 2026	445.22	458.47	440.71	445.98	445.98	0.17%	2,665,183
Jun 11, 2026	441.66	451.10	430.82	445.22	445.22	2.43%	3,000,405
Jun 10, 2026	442.00	450.78	424.45	434.65	434.65	-1.07%	3,869,932
Jun 9, 2026	465.91	467.60	417.34	439.34	439.34	-5.86%	7,863,859