Ciena (CIEN) Stock Valuation: P/E Ratio and Intrinsic Value
Ciena share price
| Price (USD) | 320.72 |
|---|---|
| Price date | 2026-10-31 |
| Market capitalization | 45.48 USD bn |
Annual and quarterly filings: SEC EDGAR – Ciena
Is Ciena stock expensive or cheap? This page shows the price-earnings ratio of Ciena for the last fiscal years, the current share price, and beta and volatility as risk measures. Earnings figures come from the company's published filings.
How the Ciena P/E ratio is calculated
The price-earnings ratio divides the share price by earnings per share. On this page the ratio is shown per fiscal year, so you can see whether today's valuation of Ciena is above or below its own history. Beta and volatility indicate how strongly the share moves compared with the overall market.
Frequently asked questions about Ciena
What is the CIEN P/E ratio?
The P/E ratio divides the Ciena share price by earnings per share. This page shows the ratio for each of the last fiscal years, so the current valuation of CIEN can be compared with its own history.
Is Ciena stock overvalued or undervalued?
There is no single answer. A useful check is whether the current P/E of CIEN is above or below its multi-year average and how earnings, margins and revenue are developing. This page shows all of these figures from the published filings.
How can I estimate the intrinsic value of Ciena?
An intrinsic value estimate needs earnings or free cash flow, a growth assumption and a discount rate. This page provides the reported earnings basis, margins and the valuation history of CIEN as the starting point.