CIEN
Ciena
$334.56
−$3.45 (−1.02%)Sep 10, 2026
Key metrics
The numbers that frame CIEN today
- Market cap
- $47.44B
- P/E (TTM)
- 72.5
- EV / FCF
- 59.3
- Gross margin
- 44.1%
- EV / Sales
- 8.0
- ROIC
- 16%
- Div yield
- 0%
- Debt / equity
- 1.1
- 52wk Low
- $123.65
- 52wk High
- $637.51
Growth
Revenue and earnings trend for CIEN
RevenueNet income
See the full growth breakdown
Revenue and earnings trends, margins and the multi-year trajectory - free with an account.
Create a free accountFree foreverNo card required
Already a member? Log inCash flow & returns
Free cash flow and financial health
Free cash flowNet debt
See the full cash-flow picture
Free cash flow detail, returns on capital and the balance-sheet trend - free with an account.
Create a free accountFree foreverNo card required
Already a member? Log inInsider trading
Recent insider buying and selling activity
PurchasesSales
Unlock every insider trade
See who is buying and selling, how much, and when - updated as new filings land.
Create a free accountFree foreverNo card required
Already a member? Log inFrequently asked questions
Plain-English answers about CIEN
Is Ciena a good buy?
Yes. Ciena has strong quality and excellent momentum. Both signals support the setup. Growth looks excellent, which supports the long-term business case. We think Ciena is selling at a fair price.
What is the market capitalization of CIEN?
Ciena's market capitalization is $47.44B.
What is the P/E ratio for CIEN stock?
Ciena's current P/E ratio is 72.5.
What is the 52-week high for CIEN stock?
The 52-week high for Ciena is $637.51. The current close of $334.56 is 47.5% below that high.
What is the 52-week low for CIEN stock?
The 52-week low for Ciena is $123.65. The current close of $334.56 is 170.6% 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 1.07.