CienaCIEN

NYSE · USA · Segment 4 of 8 in the AI & digital infrastructure value chain: Data centers

Leading in long-distance optical transmission — connecting data centers with each other (data center interconnect).

Data centers: Servers, networking, optics and data center capacity that tie AI infrastructure together.

Key metrics

Market cap

$67.4B

Price

$460.79

Today

−0.3%

Return YTD

+97.7%

Return 1Y

+482.8%

P/E

153.8

P/S

12.1

P/B

23.3

Data as of 2026-07-10 · updates daily after U.S. close

Theme exposure

Optical networkingOptical transmissionData center interconnectLong-haul networking

In the value chain

Products & services

WaveLogic optical systems
Routing & automation

Competitors

Nokia
Infinera/Lumentum
Huawei (outside the West)

Risks

Telecom customers invest cyclically
Component supply

Same segment: Data centers

CiscoCSCO Dell TechnologiesDELL Arista NetworksANET AmphenolAPH EquinixEQIX Astera LabsALAB CoherentCOHR Digital RealtyDLR

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