Ciena Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 29, 2026	566.02	582.47	539.57	580.23	580.23	1.76%	3,684,267
May 28, 2026	598.80	604.43	561.30	570.18	570.18	-2.04%	1,807,739
May 27, 2026	605.54	605.54	576.88	582.08	582.08	-3.37%	1,746,930
May 26, 2026	591.00	605.61	575.51	602.39	602.39	3.19%	1,380,839
May 22, 2026	599.00	599.50	574.03	583.74	583.74	-0.59%	1,619,341
May 21, 2026	557.00	590.13	555.71	587.23	587.23	5.85%	1,544,352
May 20, 2026	554.21	572.39	545.10	554.76	554.76	2.37%	1,975,995
May 19, 2026	514.04	542.92	499.01	541.92	541.92	3.32%	2,309,759
May 18, 2026	563.49	567.08	516.61	524.53	524.53	-5.40%	2,497,019
May 15, 2026	570.65	574.20	553.30	554.46	554.46	-6.27%	2,423,358
May 14, 2026	577.90	591.57	566.00	591.57	591.57	2.37%	1,121,895
May 13, 2026	594.00	598.84	562.50	577.90	577.90	0.13%	1,272,676
May 12, 2026	567.78	582.00	546.98	577.15	577.15	-0.74%	1,603,667
May 11, 2026	558.00	593.00	550.49	581.47	581.47	6.09%	2,380,716
May 8, 2026	549.00	564.83	538.77	548.11	548.11	1.74%	1,501,585
May 7, 2026	564.39	569.00	515.49	538.76	538.76	-6.59%	3,546,930
May 6, 2026	563.00	583.78	550.06	576.79	576.79	5.88%	2,244,799
May 5, 2026	553.63	562.00	539.43	544.75	544.75	1.16%	1,632,380
May 4, 2026	540.00	548.20	528.36	538.51	538.51	0.60%	1,198,633
May 1, 2026	527.25	550.00	518.58	535.29	535.29	1.46%	1,733,825
Apr 30, 2026	487.97	529.89	486.25	527.58	527.58	10.98%	2,665,450
Apr 29, 2026	480.14	482.54	468.31	475.39	475.39	0.36%	1,830,424
Apr 28, 2026	485.00	493.31	461.07	473.69	473.69	-6.45%	3,103,069
Apr 27, 2026	515.82	516.34	485.00	506.34	506.34	-2.78%	1,684,236
Apr 24, 2026	514.82	527.50	505.55	520.80	520.80	0.96%	1,418,284
Apr 23, 2026	505.00	527.86	497.09	515.85	515.85	3.38%	2,281,939
Apr 22, 2026	511.50	518.15	467.19	498.97	498.97	-1.38%	2,778,042
Apr 21, 2026	507.77	522.50	493.54	505.93	505.93	0.53%	1,805,652
Apr 20, 2026	512.00	517.88	497.62	503.27	503.27	-0.82%	1,963,473
Apr 17, 2026	500.47	513.83	495.17	507.43	507.43	2.48%	1,926,270
Apr 16, 2026	476.75	495.40	462.00	495.17	495.17	4.08%	2,298,719
Apr 15, 2026	471.78	481.28	454.34	475.76	475.76	1.83%	3,041,125
Apr 14, 2026	486.75	487.74	458.01	467.19	467.19	-2.65%	3,429,530
Apr 13, 2026	493.44	494.60	472.32	479.90	479.90	-3.25%	3,048,391
Apr 10, 2026	498.11	508.64	475.22	496.02	496.02	1.77%	2,498,395
Apr 9, 2026	498.91	513.49	473.73	487.38	487.38	-1.34%	3,280,367
Apr 8, 2026	475.50	499.39	471.66	494.01	494.01	10.30%	4,110,400
Apr 7, 2026	435.28	449.34	421.30	447.88	447.88	3.14%	1,969,528
Apr 6, 2026	455.45	459.80	432.77	434.26	434.26	-3.02%	1,939,070
Apr 2, 2026	400.98	453.00	400.00	447.76	447.76	7.79%	3,617,746
Apr 1, 2026	401.71	421.99	399.82	415.39	415.39	7.00%	2,677,105
Mar 31, 2026	373.77	388.72	364.16	388.23	388.23	6.36%	3,020,976
Mar 30, 2026	411.00	414.75	361.70	365.00	365.00	-9.12%	3,512,374
Mar 27, 2026	394.82	411.50	391.36	401.61	401.61	3.51%	2,518,013
Mar 26, 2026	428.47	428.74	387.40	387.99	387.99	-11.36%	3,719,886
Mar 25, 2026	431.51	446.89	423.88	437.70	437.70	1.94%	2,670,787
Mar 24, 2026	405.00	434.22	405.00	429.38	429.38	5.27%	3,382,007
Mar 23, 2026	399.40	415.57	393.96	407.90	407.90	6.25%	3,544,005
Mar 20, 2026	416.00	419.80	380.11	383.89	383.89	-6.95%	5,809,564
Mar 19, 2026	373.12	416.76	371.00	412.58	412.58	7.09%	3,934,558