CIEN: Ciena Corporation

As of Thursday, September 17th, 2026

$ 344.25

+3.75 +1.10%

Open: 350.60
High: 375.70
Low: 341.93
Volume: 3,752,790
Previous Close on Wednesday, September 16th, 2026

$ 340.50

+6.17 +1.85%

Open: 350.09
High: 375.20
Low: 327.50
Volume: 3,929,919

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-09-17 350.60 375.70 341.93 344.25 3,752,790 +3.75 +1.10
2026-09-16 350.09 375.20 327.50 340.50 3,929,919 +6.17 +1.85
2026-09-15 324.44 335.97 320.50 334.33 2,787,641 +14.69 +4.60
2026-09-14 326.98 332.32 318.43 319.64 2,197,628 -29.90 -8.55
2026-09-11 336.92 355.19 336.44 349.54 1,976,717 +14.98 +4.48
2026-09-10 333.00 348.40 328.36 334.56 2,540,030 -3.44 -1.02
2026-09-09 341.90 348.00 337.16 338.00 1,795,316 -3.29 -0.96
2026-09-08 327.42 349.78 325.69 341.29 3,223,801 +20.29 +6.32
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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 375.70
On 2026-09-17		 318.43
On 2026-09-14		 9.69 2.90 355.19
On 2026-09-11		 318.43
On 2026-09-14		 -10.35 337.65
10D 375.70
On 2026-09-17		 311.60
On 2026-09-03		 -9.91 -2.80 358.76
On 2026-09-03		 315.73
On 2026-09-04		 -11.99 334.06
20D 418.72
On 2026-08-27		 311.60
On 2026-09-03		 -55.22 -13.82 418.72
On 2026-08-27		 311.60
On 2026-09-03		 -25.58 358.40
WTD 375.70
On 2026-09-17		 318.43
On 2026-09-14		 -5.29 -1.51 332.32
On 2026-09-14		 332.32
On 2026-09-14		 0.00 334.68
MTD 381.60
On 2026-09-01		 311.60
On 2026-09-03		 -38.55 -10.07 381.60
On 2026-09-01		 311.60
On 2026-09-03		 -18.34 337.92
As of Thursday, September 17th, 2026
 
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VIX

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VIX3M

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Recent
Ticker Last Chg %Chg Volume
CIEN

Ciena Corporation

344.25 +3.75 +1.10 3,752,790