Ciena Corporation (CIE1.F) Stock Price, News & Chart

	CIE1.F	TEJASNET.BO	NOK	CSCO	6835.T	UI
Market cap	33.72B	75.36B	46.24B	408.49B	29.26B	33.94B
P/E (TTM)	61.1	—	51.6	31.1	9.0	35.4
Forward P/E	75.3	—	17.1	18.4	—	28.7
Price/book	12.4	3.0	2.0	8.1	1.4	23.6
Dividend yield	—	—	1.63%	1.62%	3.50%	0.71%
1-year change	+56.42%	−19.33%	+19.54%	+45.85%	+37.50%	−26.14%
Today	−3.18%	−0.91%	−2.59%	+0.62%	−0.70%	+2.86%

Market cap

33.72B

75.36B

46.24B

408.49B

29.26B

33.94B

P/E (TTM)

61.1

—

51.6

31.1

9.0

35.4

Forward P/E

75.3

—

17.1

18.4

—

28.7

Price/book

12.4

3.0

2.0

8.1

1.4

23.6

Dividend yield

—

1.63%

1.62%

3.50%

0.71%

1-year change

+56.42%

−19.33%

+19.54%

+45.85%

+37.50%

−26.14%

Today

−3.18%

−0.91%

−2.59%

+0.62%

−0.70%

+2.86%

Company	Mkt cap	Price	Today
Tejas Networks LimitedTEJASNET.BO · Communication Equipment	75.36B	423.60	−0.91%
Nokia OyjNOK · Communication Equipment	46.24B	8.26	−2.59%
Cisco Systems, Inc.CSCO · Communication Equipment	408.49B	103.61	+0.62%
Allied Telesis Holdings K.K.6835.T · Communication Equipment	29.26B	284.00	−0.70%
Ubiquiti Inc.UI · Communication Equipment	33.94B	561.00	+2.86%
HMS Networks AB (publ)HMS.ST · Communication Equipment	23.86B	475.40	+0.34%
Telefonaktiebolaget LM Ericsson (publ)ERCB.F · Communication Equipment	32.14B	9.92	+1.76%
Viavi Solutions Inc.VIAV · Communication Equipment	7.23B	29.38	−2.23%

Company	Mkt cap	Price	Today
AAC Technologies Holdings Inc.2018.HK · Shenzhen, China	42.93B	38.020	+2.87%
Telefonaktiebolaget LM Ericsson (publ)ERIC · Stockholm, Sweden	35.84B	11.06	+1.56%
Avantel LimitedAVANTEL.BO · Hyderabad, India	37.30B	140.35	+1.19%
Comunication Weaver Co.,Ltd.056360.KQ · Seoul, South Korea	42.43B	4,640.00	−6.83%
Fiberhome Telecommunication Technologies Co., Ltd.600498.SS · Wuhan, China	38.23B	28.15	+2.77%
Yealink Network Technology Co., Ltd.300628.SZ · Xiamen, China	49.59B	39.14	+1.66%
ATEC MOBILITY Co., Ltd224110.KQ · Seongnam-si, South Korea	34.28B	7,000.00	−1.96%
Ubiquiti Inc.UI · New York, NY	33.94B	561.00	+2.86%

Company	Mkt cap	Price	Today
Shanghai BOCHU Electronic Technology Corporation Limited688188.SS · Semiconductors	42.12B	103.74	−1.20%
TOP Engineering Co., Ltd065130.KQ · Semiconductor Equipment & Materials	37.57B	2,535.00	−1.36%
Sanshin Electronics Co., Ltd.8150.T · Semiconductors	37.65B	3,075.00	−3.15%
Delton Technology (Guangzhou) Inc.001389.SZ · Electronic Components	42.50B	89.90	−0.37%
Hana Microelectronics Public Company LimitedHANA.BK · Electronic Components	36.52B	41.25	−6.78%
Roper Technologies, Inc.ROP.F · Software - Application	43.01B	434.30	+1.85%
Zhejiang Jingsheng Mechanical & Electrical Co., Ltd.300316.SZ · Semiconductor Equipment & Materials	49.24B	37.60	+9.62%
Unigroup Guoxin Microelectronics Co., Ltd.002049.SZ · Semiconductors	43.28B	51.33	+1.72%

Company	Mkt cap	Price	Today
Lockheed Martin CorporationLMT · Bethesda, MD Odds	137.46B	595.04	−6.88%
Marriott International, Inc.MAR · Bethesda, MD Odds	109.41B	424.87	+2.04%
Constellation Energy CorporationCEG · Baltimore, MD	87.06B	245.72	−6.71%
IonQ, Inc.IONQ · College Park, MD Odds	12.68B	29.54	−1.50%
AGNC Investment Corp.AGNC · Bethesda, MD	11.30B	8.87	+3.99%
McCormick & Company, IncorporatedMKC · Hunt Valley, MD	13.58B	50.48	+5.43%
Novavax, Inc.NVAX · Gaithersburg, MD	1.76B	10.65	+10.02%
United Therapeutics CorporationUTHR · Silver Spring, MD Odds	26.10B	608.49	+1.19%

Company	Mkt cap	Price	Today
Hyundai HT Co,Ltd.039010.KQ · telecom	59.04B	7,600.00	+2.84%
Eoptolink Technology Inc., Ltd.300502.SZ · telecom	258.88B	185.61	−5.54%
Astra Microwave Products LimitedASTRAMICRO.BO · telecom	148.02B	1,559.00	−1.24%
Hengtong Optic-Electric Co., Ltd.600487.SS · telecom	107.81B	43.71	+0.44%
PT Bali Towerindo Sentra TbkBALI.JK · telecom	5.15T	1,310.00	+8.26%
Browave Corporation3163.TWO · telecom	40.65B	429.50	−7.73%
GAON CABLE Co., Ltd.000500.KS · telecom	6.06T	203,500.00	−16.08%
PT Communication Cable Systems Indonesia TbkCCSI.JK · telecom	277.33B	208.00	+1.96%

Company	Mkt cap	Price	Today
Viavi Solutions Inc.VIAV · Correlation 0.50	7.23B	29.38	−2.23%
Ciena CorpCIE1.MU · Correlation 0.50	—	264.80	+2.56%
Viavi Solutions Inc.UNS1.F · Correlation 0.41	6.31B	25.66	−1.80%
Nokia OyjNOK · Correlation 0.38	46.24B	8.26	−2.59%
Nokia OyjNOAA.F · Correlation 0.34	40.31B	7.20	−4.00%
Browave Corporation3163.TWO · Correlation 0.32	40.65B	429.50	−7.73%
STMicroelectronics N.V.STM · Correlation 0.31	40.77B	45.60	−6.06%

Company	Mkt cap	Price	Today
CISCO SYSTEMS INC.CIS.F	354.44B	89.90	−2.11%
Viavi Solutions Inc.UNS1.F	6.31B	25.66	−1.80%
LUMENTUM HOLDINGS INC LUMENTUM0JVV.L	—	609.71	−9.38%
Telefonaktiebolaget L.M.Erics.NERCB.F	32.14B	9.92	+1.76%
Ciena Corp.CIE1.MU	—	264.80	+2.56%

Markets Daily·4d agoNegative

Ciena (CIEN) versus Its Rivals Critical Survey

Posted by Kim Johansen on Oct 31st, 2026 Ciena (NYSE:CIEN – Get Free Report) is one of 110 public companies in the “Communications Equipment” industry, but how does it contrast to its rivals? We will compare Ciena to related businesses…

CIEN CTAS EVR BCS

Trefis·5d agoNegative

Is There A Risk Hiding In Ciena Stock’s Growth?

Why Ciena’s Sales Have Shifted Toward Cloud Companies Management also said the share of revenue from sales in and around the data center has quadrupled since the start of fiscal 2026, moving ahead of the threefold rise it had committed to.…

CIEN EVR CIFR

Markets Daily·4d agoPositive

Reviewing Ciena (NYSE:CIEN) & Arista Networks (NYSE:ANET)

Posted by Danessa Lincoln on Oct 31st, 2026 Ciena (NYSE:CIEN – Get Free Report) and Arista Networks (NYSE:ANET – Get Free Report) are both large-cap technology companies, but which is the better stock? We will contrast the two businesses…

ANET AVGO

The Globe and Mail·Oct 29Positive

Ciena Surges 178% in a Year: Should Investors Buy the Stock Now?

Shares of Ciena CorporationCIEN have jumped a whopping 177.9% in the past year, outperforming the Zacks Computer & Technology sector and the Zacks Communication - Components industry, which gained 28.1% and 165.3%, respectively. The S&P…

CIEN EVR BCS

Trefis·Oct 29Positive

How Much Should This Move Change Your View Of Ciena Stock?

Ciena Nearly Tripled Its Profit Margin In A Year Ciena posted an operating margin of 18.1% for fiscal Q3 2026, the quarter ended August 1, compared with 6.2% a year earlier. The margin rose in each of the four quarters reported over the…

CIEN EVR CTVA

Capacity·Oct 26Negative

The Future of AI Infrastructure: Midgard Infra and Ciena Interview at Capacity Europe 2026

At Datacloud Global Congress 2026, Capacity’s Amber Jackson speaks with Aaron Lewis, Chief Commercial Officer for Data Centres at Johnson Controls, about the key pressures shaping the data centre market as deployments scale across Europe.…

NVDA MSFT GOOGL

TNW | Business·Oct 26Negative

Ciena CEO who survived the telecom bust tells WSJ the AI boom is different

The Ciena CEO says AI demand is arriving in waves and his company has not kept up. Ciena expects an order backlog of about $10bn at the end of fiscal 2026. Gary Smith, chief executive of Ciena. Gary Smith has been Ciena CEO since May 2001,…

CSCO NVDA MSFT AVGO

The Globe and Mail·Oct 24Positive

Ciena vs. Nokia: Which Optical Networking Stock is the Better Buy?

Both companies have reported strong growth in their optical networking businesses, supported by rising customer orders and expanding opportunities in AI-driven network infrastructure. However, supply constraints and the need to expand…

CIEN NVDA

Telecom Ramblings·Oct 13Positive

Int’l Bytes: EXA, Sparkle, Liquid C2, Ciena

Four interesting items from EMEA to catch up with: Sparkle has landed an expanded partnership in the sports vertical. The Italian-based international network operator has implemented a broader relationship with Infront, a Swiss-based…

TSLA GOOGL MSFT

Defense World·Oct 24Negative

Ciena Corporation $CIEN Stock: Atlatl Advisers LLC Trims Holdings

Atlatl Advisers LLC lowered its position in Ciena Corporation (NYSE:CIEN – Free Report) by 86.1% during the third quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission (SEC). The firm…

CIEN

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