CIEN: Ciena Corporation

As of Wednesday, October 28th, 2026

$ 351.95

+0.80 +0.23%

Open: 357.01
High: 368.24
Low: 351.60
Volume: 2,709,733
Previous Close on Tuesday, October 27th, 2026

$ 351.15

+10.16 +2.98%

Open: 344.09
High: 353.10
Low: 336.30
Volume: 2,690,613

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-10-28 357.01 368.24 351.60 352.02 2,709,608 +0.87 +0.25
2026-10-27 344.09 353.10 336.30 351.15 2,690,613 +10.16 +2.98
2026-10-26 324.06 345.48 318.77 340.99 2,813,910 +20.10 +6.26
2026-10-23 325.95 327.40 313.45 320.89 1,976,392 -1.84 -0.57
2026-10-22 343.48 346.29 320.70 322.73 3,873,957 -39.77 -10.97
2026-10-21 354.56 363.97 349.87 362.50 3,012,501 +21.49 +6.30
2026-10-20 336.70 350.35 328.88 341.01 1,921,382 -5.23 -1.51
2026-10-19 348.31 354.45 338.79 346.24 3,027,843 +13.51 +4.06
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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 368.24
On 2026-10-28		 313.45
On 2026-10-23		 -10.48 -2.89 346.29
On 2026-10-22		 313.45
On 2026-10-23		 -9.48 337.56
10D 368.24
On 2026-10-28		 313.45
On 2026-10-23		 -7.58 -2.11 363.97
On 2026-10-21		 313.45
On 2026-10-23		 -13.88 342.68
20D 454.73
On 2026-10-09		 313.45
On 2026-10-23		 0.20 0.06 454.73
On 2026-10-09		 313.45
On 2026-10-23		 -31.07 375.89
WTD 368.24
On 2026-10-28		 318.77
On 2026-10-26		 31.13 9.70 345.48
On 2026-10-26		 345.48
On 2026-10-26		 0.00 348.05
MTD 454.73
On 2026-10-09		 313.45
On 2026-10-23		 0.20 0.06 454.73
On 2026-10-09		 313.45
On 2026-10-23		 -31.07 375.89
As of Wednesday, October 28th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
CIEN

Ciena Corporation

351.95 +0.80 +0.23 2,709,733