Ciena Corporation P/E Ratio 2008–2025
Ciena Corporation reported 223.44 of price-to-earnings ratio for fiscal 2025. That was 104.1% higher than fiscal 2024. Compared with fiscal 2020, the change was +1216.0%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive.
| Fiscal year | P/E Ratio | Change (YoY) |
|---|---|---|
| FY 2025 | 223.44 | +104.1% |
| FY 2024 | 109.50 | +343.7% |
| FY 2023 | 24.68 | -48.5% |
| FY 2022 | 47.90 | +181.5% |
| FY 2021 | 17.02 | +0.2% |
| FY 2020 | 16.98 | -28.0% |
| FY 2019 | 23.58 | — |
| FY 2018 | — | — |
| FY 2017 | 2.82 | -92.6% |
| FY 2016 | 38.00 | -84.3% |
| FY 2015 | 241.40 | — |
| FY 2014 | — | — |
| FY 2013 | — | — |
| FY 2012 | — | — |
| FY 2011 | — | — |
| FY 2010 | — | — |
| FY 2009 | — | — |
| FY 2008 | 22.88 | — |
Source: Ciena Corporation SEC filings — fiscal-year-end price ÷ diluted EPS. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open CIEN 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Ciena Corporation reported 223.44 of price-to-earnings ratio for fiscal 2025. That was 104.1% higher than fiscal 2024. Compared with fiscal 2020, the change was +1216.0%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Ciena Corporation's price-to-earnings ratio?
Ciena Corporation (CIEN) reported price-to-earnings ratio of 223.44 for fiscal year 2025, per its SEC filings.
How has Ciena Corporation's price-to-earnings ratio changed over time?
Between fiscal 2008 and 2025, CIEN's price-to-earnings ratio grew at roughly 14.3% per year (compound annual rate), from 22.88 to 223.44.
Where does this data come from?
Figures are computed from Ciena Corporation's official SEC filings (fiscal-year-end price ÷ diluted EPS), refreshed nightly. Not investment advice.
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