StockResearch

CIENCiena

Information Technology· Part of the AI Infrastructure theme

$332.73

Latest weekly close · Market cap $48.6B

CIEN's P/E of 74.3× is higher than 62% of its own weekly readings over the last five years.

P/E (TTM), weekly, against its 5-year band

P/E (TTM) weekly5y interquartile band5y median 46.7×
5-year median
46.7×
10-year median
34.8×
5-year low to high
14.5×–410.2×
Versus 5-year median
+59%

P/E (TTM)

62ndpercentile

of its 5y range of weekly readings

Growth, last 12 months vs prior year

Revenue
+33%accelerating
EPS
+357%

Price vs revenue and EPS, all starting at 100

PriceRevenue TTMEPS TTM100 = window start

Source: Computed from SEC filings and market pricesUpdated Oct 19, 2026Weekly observations · All multiples TTM