Ciena (CIEN) Price: 421.50

Ciena Corp. (CIEN)

421.50 -24.95 (-5.59%) USD | NYSE | Oct 08, 13:30

Price Chart

Historical Price Data

View and export this data back to 1997. Start Trial.

Date	Open	High	Low	Close	Volume
Oct 07, 2026	428.98	448.00	422.30	446.45	3.372M
Oct 06, 2026	393.58	446.37	392.00	443.65	6.397M
Oct 05, 2026	393.77	397.47	382.50	389.69	2.475M
Oct 02, 2026	385.00	395.96	377.03	391.34	2.523M
Oct 01, 2026	355.19	381.00	350.68	379.14	2.572M
Sep 30, 2026	354.92	359.98	340.52	351.82	2.659M
Sep 29, 2026	350.16	356.21	344.80	354.92	2.227M
Sep 28, 2026	352.42	356.98	339.33	344.19	1.831M
Sep 25, 2026	363.00	366.43	355.01	356.91	1.619M
Sep 24, 2026	350.40	363.46	346.56	358.43	1.421M
Sep 23, 2026	368.64	369.00	351.53	355.91	1.854M
Sep 22, 2026	364.31	376.74	363.14	368.56	2.407M
Sep 21, 2026	365.05	367.62	356.46	365.96	2.887M
Sep 18, 2026	355.87	358.00	338.25	348.80	4.868M
Sep 17, 2026	350.60	375.70	341.93	344.25	3.767M
Sep 16, 2026	350.09	375.20	327.50	340.50	3.956M
Sep 15, 2026	324.44	335.97	320.50	334.33	2.798M
Sep 14, 2026	326.98	332.32	318.43	319.64	2.214M
Sep 11, 2026	336.92	355.19	336.44	349.54	1.982M
Sep 10, 2026	333.00	348.40	328.36	334.56	2.551M
Sep 09, 2026	341.90	348.00	337.16	338.00	1.813M
Sep 08, 2026	327.42	349.78	325.69	341.29	3.226M
Sep 04, 2026	321.67	328.84	315.73	321.00	3.344M
Sep 03, 2026	354.49	358.76	311.60	317.46	7.535M
Sep 02, 2026	357.25	359.60	348.86	354.16	2.870M

Price Definition

The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).

Read full definition.

Price Range, Past 5 Years

View Price Range, Past 5 Years

Start Trial

Minimum

Maximum

Average

Median

Price Benchmarks

View Price Benchmarks