Ciena/$CIEN
1D1W1MYTD1Y5YMAX
Capital at risk
About Ciena
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 connectivity. The company operates through four primary business segments: networking platforms, platform software and services, Blue Planet automation software, and global services. While telecom carriers remain important customers, cloud providers and hyperscalers now drive a significant portion of the business. To meet the demands of AI data centers, customers are adopting Ciena's WaveLogic 6 platform, the first to support 1.6 terabits-per-second capacity.
- Ticker
- $CIEN
- Sector
- Communication
- Primary listing
- NYSE
- Employees
- 8,989
- Headquarters
- Hanover, United States
- Website
- www.ciena.com
Ciena Metrics
BasicAdvanced
$50B
78.11
$4.47
1.31
-
Price and volume
Market cap
$50B
Beta
1.31
52-week high
$637.51
52-week low
$130.13
Average daily volume
2.2M
Financial strength
Current ratio
3.797
Quick ratio
2.788
Long term debt to equity
106.927
Total debt to equity
107.328
Interest coverage (TTM)
12.16%
Profitability
EBITDA (TTM)
1,025.539
Gross margin (TTM)
44.07%
Net profit margin (TTM)
10.87%
Operating margin (TTM)
14.12%
Effective tax rate (TTM)
9.82%
Revenue per employee (TTM)
$670,000
Management effectiveness
Return on assets (TTM)
7.73%
Return on equity (TTM)
22.40%
Valuation
Price to earnings (TTM)
78.11
Price to revenue (TTM)
8.248
Price to book
16.23
Price to tangible book (TTM)
21.06
Price to free cash flow (TTM)
60.977
Free cash flow yield (TTM)
1.64%
Free cash flow per share (TTM)
5.732
Growth
Revenue change (TTM)
32.57%
Earnings per share change (TTM)
356.82%
3-year revenue growth (CAGR)
12.51%
10-year revenue growth (CAGR)
8.86%
3-year earnings per share growth (CAGR)
44.82%
10-year earnings per share growth (CAGR)
39.36%
What the Analysts think about Ciena
Analyst ratings (Buy, Hold, Sell) for Ciena stock.
Analyst projections of the future price of Ciena stock.
Bulls say / Bears say
Ciena reported fiscal Q2 2026 revenue of $1.57 billion, a 40% year-over-year increase driven by strong hyperscaler AI-infrastructure spending that surpassed consensus forecasts. (SEC Q2 2026 Earnings Presentation)
The company’s adjusted EPS rose 290% year-over-year to $1.64 and adjusted operating margin expanded 1,130 bps to 19.5%, reflecting significant operating leverage. (SEC Q2 2026 Earnings Presentation)
Ciena raised its full-year fiscal 2026 revenue guidance to $6.3 billion, signalling confidence in sustained AI-driven demand from hyperscalers and cloud providers. (SEC Q2 2026 Earnings Presentation)
Management noted that demand is outstripping supply, resulting in multi-year visibility and longer lead times that could delay revenue recognition and strain customer relationships. (SEC Q2 2026 Earnings Presentation)
The closing of a $2.875 billion zero-coupon convertible senior notes offering increases potential equity dilution and adds contingent conversion liabilities to Ciena’s capital structure. (SEC Form 8-K)
Ciena’s $270 million acquisition of Nubis Communications introduces integration risk and potential margin pressure as the company absorbs new technologies and operations. (Reuters via TradingView)
Data summarised monthly by Lightyear AI. Last updated on 21 Aug 2026.
Ciena Financial Performance
Revenues and expenses
Ciena Earnings Performance
Company profitability
Upcoming events
No upcoming events
Ciena News
AllArticlesVideos
Funds containing Ciena
AllEURGBPUSD
Fund name | Fund size | $CIEN weighting |
|---|---|---|
iShares Digital Security€L0CK | €1.7B | 1.82% |
Wisdomtree Quantum Computing€WQTM | €336M | 1.31% |
Xtrackers Artificial Intelligence And Big Data€XAIX | €7.9B | 0.28% |
Xtrackers Artificial Intelligence And Big Data£XAIX | £6.8B | 0.28% |
iShares S&P 500 Information Technology Sector$IUIT | $20B | 0.21% |
Data displayed above is indicative only and its accuracy or completeness is not guaranteed. Actual execution price may vary. Past performance is not indicative of future results. Your return may be affected by currency fluctuations and applicable fees and charges. Capital at risk.
Real-time US market data is sourced from the IEX order book provided by Polygon. After-hours US market data is 15 minutes delayed and may differ significantly from the actual tradable price at market open.


