
CIEN
Ciena
$377.27
−$13.68 (−3.5%)Jul 27, 2026
Key metrics
The numbers that frame CIEN today
- Market cap
- $53.40B
- P/E (TTM)
- 121.8
- EV / FCF
- 64.8
- Gross margin
- 43%
- EV / Sales
- 9.7
- ROIC
- 12.8%
- Div yield
- 0%
- Debt / equity
- 0.5
- 52wk Low
- $84.41
- 52wk High
- $637.51
Growth
Revenue and earnings trend for CIEN
RevenueNet income
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Revenue and earnings trends, margins and the multi-year trajectory - free with an account.
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Already a member? Log inCash flow & returns
Free cash flow and financial health
Free cash flowNet debt
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Free cash flow detail, returns on capital and the balance-sheet trend - free with an account.
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Recent insider buying and selling activity
PurchasesSales
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Already a member? Log inFrequently asked questions
Plain-English answers about CIEN
Is Ciena a good buy?
Yes. Ciena has excellent quality and excellent momentum. Both signals support the setup. Growth looks strong, which supports the long-term business case. We think Ciena is selling at a high price, which cuts against the buy case.
What is the market capitalization of CIEN?
Ciena's market capitalization is $53.40B.
What is the P/E ratio for CIEN stock?
Ciena's current P/E ratio is 121.8.
What is the 52-week high for CIEN stock?
The 52-week high for Ciena is $637.51. The current close of $377.27 is 40.8% below that high.
What is the 52-week low for CIEN stock?
The 52-week low for Ciena is $84.41. The current close of $377.27 is 346.9% above that low.
Does CIEN stock pay dividends?
Ciena does not currently show a dividend per share in the company data.
What is the Debt / Equity ratio for CIEN?
Ciena's Debt / Equity ratio is 0.55.