CIEN: Ciena Corporation

As of Friday, May 15th, 2026

$ 554.46

-37.11 -6.27%

Open: 570.65
High: 574.20
Low: 553.30
Volume: 2,409,602
Previous Close on Thursday, May 14th, 2026

$ 591.57

+13.67 +2.37%

Open: 577.90
High: 591.57
Low: 566.00
Volume: 1,116,012

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-05-15 570.65 574.20 553.30 554.46 2,409,602 -37.11 -6.27
2026-05-14 577.90 591.57 566.00 591.57 1,116,012 +13.67 +2.37
2026-05-13 594.00 598.84 562.50 577.90 1,264,927 +0.75 +0.13
2026-05-12 567.78 582.00 546.98 577.15 1,599,353 -4.32 -0.74
2026-05-11 558.00 593.00 550.49 581.47 2,352,063 +33.36 +6.09
2026-05-08 549.00 564.83 538.77 548.11 1,495,203 +9.35 +1.74
2026-05-07 564.39 569.00 515.49 538.76 3,518,034 -38.03 -6.59
2026-05-06 563.00 583.78 550.06 576.79 2,233,836 +32.04 +5.88
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 598.84
On 2026-05-13		 546.98
On 2026-05-12		 6.35 1.16 593.00
On 2026-05-11		 546.98
On 2026-05-12		 -7.76 576.51
10D 598.84
On 2026-05-13		 515.49
On 2026-05-07		 19.17 3.58 583.78
On 2026-05-06		 515.49
On 2026-05-07		 -11.70 562.95
20D 598.84
On 2026-05-13		 461.07
On 2026-04-28		 47.03 9.27 583.78
On 2026-05-06		 515.49
On 2026-05-07		 -11.70 534.63
WTD 598.84
On 2026-05-13		 546.98
On 2026-05-12		 6.35 1.16 593.00
On 2026-05-11		 546.98
On 2026-05-12		 -7.76 576.51
MTD 598.84
On 2026-05-13		 515.49
On 2026-05-07		 26.88 5.09 583.78
On 2026-05-06		 515.49
On 2026-05-07		 -11.70 560.43
As of Friday, May 15th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
CIEN

Ciena Corporation

554.46 -37.11 -6.27 2,409,602