CIEN: Ciena Corporation

As of Friday, August 28th, 2026

$ 378.44

-21.41 -5.35%

Open: 400.42
High: 400.50
Low: 376.64
Volume: 1,316,614
Previous Close on Thursday, August 27th, 2026

$ 399.85

-4.18 -1.03%

Open: 411.53
High: 418.72
Low: 395.50
Volume: 1,205,631

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-08-28 400.42 400.50 376.64 378.44 1,316,553 -21.41 -5.35
2026-08-27 411.53 418.72 395.50 399.85 1,205,631 -4.18 -1.03
2026-08-26 387.23 406.44 387.23 404.03 1,176,787 +16.37 +4.22
2026-08-25 386.33 388.73 378.94 387.66 1,183,721 +15.71 +4.22
2026-08-24 386.26 386.26 362.48 371.95 1,718,724 -23.84 -6.02
2026-08-21 396.00 403.72 382.75 395.79 1,226,862 +3.31 +0.84
2026-08-20 400.35 404.35 389.10 392.48 1,433,792 -6.99 -1.75
2026-08-19 415.50 415.50 392.67 399.47 1,752,860 -6.07 -1.50
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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 418.72
On 2026-08-27		 362.48
On 2026-08-24		 -17.35 -4.38 418.72
On 2026-08-27		 376.64
On 2026-08-28		 -10.05 388.39
10D 458.00
On 2026-08-17		 362.48
On 2026-08-24		 -50.33 -11.74 458.00
On 2026-08-17		 362.48
On 2026-08-24		 -20.86 398.04
20D 462.69
On 2026-08-13		 355.00
On 2026-08-03		 1.39 0.37 462.69
On 2026-08-13		 362.48
On 2026-08-24		 -21.66 404.31
WTD 418.72
On 2026-08-27		 362.48
On 2026-08-24		 -17.35 -4.38 418.72
On 2026-08-27		 376.64
On 2026-08-28		 -10.05 388.39
MTD 462.69
On 2026-08-13		 355.00
On 2026-08-03		 1.39 0.37 462.69
On 2026-08-13		 362.48
On 2026-08-24		 -21.66 404.31
As of Friday, August 28th, 2026
 
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53,559.99 -9.45 -0.02 507,511,504
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2,972.37 -41.97 -1.39
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4,383.34 -16.18 -0.37
VIX

CBOE Volatility Index

14.43 -0.08 -0.55
VIX1Y

CBOE S&P 500 One-Year Volatility Index

22.16 -0.08 -0.36
VIX6M

CBOE S&P 500 6-Month Volatility Index

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VIX3M

CBOE S&P 500 3-Month Volatility Index

17.48 -0.08 -0.46
 
Recent
Ticker Last Chg %Chg Volume
CIEN

Ciena Corporation

378.44 -21.41 -5.35 1,316,614