Ciena CIEN Price / earnings
Price / earnings at other companies
Other financials
Where this comes from
Calculated from Ciena’s reported figures.
Based on the most recent quarter.
The official record: Ciena’s 10-Q, filed June 4, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Ciena's price / earnings?
- Ciena (CIEN) reported price / earnings of 170.2× in Q1 2026.
- How has Ciena's price / earnings changed year-over-year?
- Ciena's price / earnings increased by 95.2% year-over-year, from 87.2× to 170.2×.
- What is the long-term trend for Ciena's price / earnings?
- Over 4 years (2021 to 2025), Ciena's price / earnings has grown at a 61.7% compound annual growth rate (CAGR), from 81× to 554.4×.
- What does price / earnings mean?
- How many dollars investors pay for each dollar of the company's annual profit.
- How do you interpret price / earnings?
- Lower can mean cheaper — or that the market expects earnings to fall. High multiples embed growth expectations. Meaningless when earnings are negative, so it is suppressed there.
- How does price / earnings compare across companies?
- Compare against the company's own history and sector peers, not across sectors with different growth and risk profiles.