Ciena Corporation (CIEN) Valuation
Historical valuation analysis based on 1280 data points (2021-09-13 to 2026-10-16)
Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance con...
Ciena Corporation (CIEN) currently trades at a P/E ratio of 72.10 (historical range: 15.24–340.73, median: 41.89), placing it at the 62th percentile — above its historical average, P/S ratio of 7.84 (range: 1.43–16.45, 86th percentile — expensive relative to its history), EV/EBITDA of 64.16 (range: 17.12–255.55, 69th percentile).
Over the historical period (2021-09-13 to 2026-10-16), Ciena Corporation's P/E ratio has expanded by 329% over the observed period (from an average of 29.3 to 125.5).
Ciena Corporation trades above its historical valuation range, with most metrics above their median levels.
Historical Valuation Metrics
| Metric | Current | Median | %ile | Assessment |
|---|---|---|---|---|
| P/E Ratio | 72.10 | 41.89 | 62th | above its historical average |
| P/S Ratio | 7.84 | 2.33 | 86th | expensive relative to its history |
| EV/EBITDA | 64.16 | 43.61 | 69th | above its historical average |
| FCF Yield | 1.73% | 2.55% | 31th | above its historical average |
Ciena Corporation (CIEN) Valuation & P/E History
Ciena Corporation (CIEN) is a US-listed stock operating in the Technology sector, specifically the Telephone & Telegraph Apparatus industry currently trading at $329.00 with a market capitalization of $46.7 billion. This page provides historical valuation analysis for CIEN based on 1280 data points covering 2021-09-13 to 2026-10-16. The P/E ratio of 72.10 is above the historical median of 41.89, placing CIEN at the 62th percentile of its valuation range. The P/S ratio of 7.84 compares to a median of 2.33.
CIEN Valuation Metrics & Historical Range
The valuation table above shows Ciena Corporation's current and historical valuation multiples, including P/E ratio, P/S ratio, EV/EBITDA, FCF yield, and dividend yield. Each metric is compared to its own historical range to determine whether CIEN is currently trading above or below its typical valuation levels.
- P/E ratio: Price-to-earnings measures how much investors pay per dollar of earnings. A P/E above the historical median suggests CIEN is expensively valued; below the median suggests it is cheap.
- P/S ratio: Price-to-sales is useful for companies with volatile or negative earnings. Lower P/S relative to history may indicate value.
- EV/EBITDA: Enterprise value to EBITDA adjusts for debt and cash, providing a capital-structure-neutral valuation measure for Ciena Corporation.
- FCF yield: Free cash flow yield shows the cash return relative to market price. Higher yields may indicate undervaluation.
Is CIEN Overvalued or Undervalued?
Ciena Corporation trades above its historical valuation range, with most metrics above their median levels. The overall valuation percentile of 72 combines P/E, P/S, and EV/EBITDA percentiles into a single measure of how expensive CIEN is relative to its own history. A percentile below 25 suggests the stock may be undervalued, while a percentile above 75 suggests it may be overvalued.
However, valuation is only one factor in investment decisions. A stock can remain "overvalued" for years if growth accelerates, or "undervalued" if the business deteriorates. Always combine valuation analysis with financial statement analysis and the full CIEN analysis page for a complete picture.
Valuation data is computed from historical price and fundamental data via Polygon.io and Finnhub.CIEN trades on NYSE/NASDAQ. This page is for informational purposes only and is not financial advice.