cien stock 2026

Ciena (CIEN) has returned 66.1% this year.

DATEOPENHIGHLOWCLOSEVOLUME
October 13 2026
$393.33
$401.87
$381.64
$400.40
2,731,079
October 12 2026
$443.53
$445.95
$400.20
$405.01
3,318,700
October 09 2026
$436.00
$454.73
$424.02
$449.77
3,773,200
October 08 2026
$436.15
$443.99
$421.11
$425.93
3,697,700
October 07 2026
$428.98
$448.00
$422.30
$446.45
3,369,200
October 06 2026
$393.58
$446.37
$392.00
$443.65
6,396,600
October 05 2026
$393.77
$397.47
$382.50
$389.69
2,473,900
October 02 2026
$385.00
$395.96
$377.03
$391.34
2,519,400
October 01 2026
$355.19
$381.00
$350.68
$379.14
2,564,300
September 30 2026
$354.92
$359.98
$340.52
$351.82
2,656,100
September 29 2026
$350.16
$356.21
$344.80
$354.92
2,226,000
September 28 2026
$352.42
$356.99
$339.33
$344.19
1,830,200
September 25 2026
$363.00
$366.43
$355.01
$356.91
1,616,900
September 24 2026
$350.40
$363.46
$346.56
$358.43
1,418,900
September 23 2026
$368.64
$369.00
$351.53
$355.91
1,851,600
September 22 2026
$364.31
$376.74
$363.14
$368.56
2,404,800
September 21 2026
$365.05
$367.62
$356.46
$365.96
2,886,500
September 18 2026
$355.87
$358.00
$338.25
$348.80
4,863,900
September 17 2026
$350.60
$375.70
$341.93
$344.25
3,764,100
September 16 2026
$350.09
$375.20
$327.50
$340.50
3,947,500
September 15 2026
$324.44
$335.97
$320.50
$334.33
2,796,700
September 14 2026
$326.98
$332.32
$318.43
$319.64
2,210,600
September 11 2026
$336.92
$355.19
$336.44
$349.54
1,979,900
September 10 2026
$333.00
$348.40
$328.36
$334.56
2,548,400
September 09 2026
$341.90
$348.00
$337.16
$338.00
1,812,600