CIEN
Ciena Corporation
NYSE · Technology · Communication Equipment · US
$321.55
+1.29%Price chart
Aug 6Aug 11Aug 14Aug 19Aug 24Aug 27Sep 1Sep 4
ValuationView details →
P/E (Fwd)
37.1x
EV/EBITDA
62.8x
Market Cap
$45.52B
MomentumView details →
1D Return
+1.29%
YTD Return
+35.48%
RSI (14)
32.7
ValuationView details →
P/E (Fwd)
37.1x
EV/EBITDA
62.8x
Market Cap
$45.52B
RSI (14)
32.7
MomentumView details →
1D Return
+1.29%
YTD Return
+35.48%
SummaryUpdated Aug 1, 2026
Ciena Corporation (NASDAQ:CIEN) is a Maryland-based telecommunications equipment manufacturer founded in 1992 and publicly traded since 1997. The company has evolved from its origins as an optical networking pioneer to become a leading provider of network infrastructure hardware, software, and services that enable the transport and management of data traffic across global communications networks. Ciena serves telecommunications service providers, cloud companies, government agencies, and enterprises worldwide, positioning itself at the center of the digital transformation driving increased demand for network capacity and performance.
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Latest newsMore news →
Quintessent raised $40 million in an oversubscribed Series A funding round led by Cycle Capital, with participation from new and existing investors.11d agoION Network is deploying Ciena's WaveLogic 6 Extreme optical technology on its new ICS1 submarine cable system to boost capacity to 288 Tb/s, with the cable expected to be live at the end of 2026.15d ago