CIEN vs ERIC

Ciena and Telefonaktiebolaget LM Ericsson (publ), both Technology

Ciena is the larger company at $61B against $38B. Over the past year CIEN returned +328% against +39% for ERIC. Ryufin's sector-relative Smart Score puts ERIC ahead, 7/10 against 5/10.

Ciena and Telefonaktiebolaget LM Ericsson (publ)compared on valuation, return and Ryufin’s Smart Score
FigureCIENERIC
Last close$404$10.06
Market cap$61B$38B
Trailing P/Elower is cheaper for the same earnings, not automatically better134.6n/a
1-year return+328%+39%
5-year return+595%+4.0%
Ryufin Smart Scoresector-relative, 1–105/107/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Ciena

Revenue of $1.6B in Q2 2026, net income $218M. Its largest reported line is Optical Networking, 72% of the disclosed total.

Telefonaktiebolaget LM Ericsson (publ)

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