CIEN expects at least 30% revenue growth in fiscal 2027, fueled by AI infrastructure demand, surging optical networking orders and a rapidly expanding backlog.

Ciena is experiencing a significant growth inflection driven by hyperscaler AI infrastructure investments, with revenue growth accelerating to 37.0% in 2026Q3 and operating margin expanding to 18.0%. The shift toward proprietary WaveLogic chipsets has boosted gross margins to 45.4%, indicating favorable product mix.
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Ciena's revenue growth accelerated to 37.0% year-over-year in 2026Q3, with gross margin expanding to 45.4% and operating margin surging to 18.0%, suggesting strong operational leverage from hyperscaler demand.
Ciena is the global leader in high-speed connectivity, revolutionizing data transmission and network management with its networking systems, components, and automation software.
Ciena's R&D approach in optical innovations positions it as a key player in the AI era, enhancing its technological edge and market relevance.
Ciena is described as a vital player in optical connectivity, with a strong presence in the networking technology sector.
Trailing total returns as of 11/7/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC).
Check whether operating performance supports the current valuation.
Recent results and news deserve attention only when they alter the forward view.
| Quarter | EPS (Act vs Est) | Revenue (Act vs Est) |
|---|---|---|
Q4 2026Latest Sep 3, 2026 | $2.11+22.0% vs $1.73 | $1.7B+2.1% vs $1.6B |
Q3 2026 Jun 4, 2026 | $1.64+12.3% vs $1.46 | $1.6B+4.4% vs $1.5B |
Q2 2026 Mar 5, 2026 | $1.35+15.4% vs $1.17 | $1.4B+2.0% vs $1.4B |
Q4 2025 Dec 11, 2025 | $0.91+16.7% vs $0.78 | $1.4B+4.7% vs $1.3B |
CIEN expects at least 30% revenue growth in fiscal 2027, fueled by AI infrastructure demand, surging optical networking orders and a rapidly expanding backlog.

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CIEN's shares have surged 55.5% in a year, fueled by AI-driven optical networking demand and strong growth prospects.
Benchmark CIEN against direct peers instead of judging its metrics in isolation.
Key metrics vs top competitors for Ciena Corporation (CIEN)
| Company | Price | Market Cap | P/E Ratio | Rev Growth (1Y) | Net Margin | ROE | Div Yield |
|---|---|---|---|---|---|---|---|
| $243.39 | $34.45B | 286.34 | 18.79% | 2.59% | 4.45% | — | |
| $4.04 | $327.23M | -7.09 | 17.46% | -2.29% | -5.07% | — | |
| $30.60 | $1.93B | 117.69 | 20.26% | 3.99% | 6.09% | — | |
| $28.47 | $7.02B | 189.80 | 8.39% | -2% | -3.16% | — | |
| $538.59 | $41.9B | 1455.65 | 21.03% | -230.1% | -300.07% | — | |
| $7.66 | $44.01B | 62.31 | 3.48% | 3.8% | 3.66% | 2.01% |
Ciena Corporation (CIEN) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.
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Ciena Corporation (CIEN) SEC filings — annual & quarterly reports (10-K, 10-Q)
Sep 3, 2026·SEC
Jun 11, 2026·SEC
Jun 8, 2026·SEC
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Ciena Corporation (CIEN) stock FAQ — growth, dividends, profitability & financials explained
Ciena Corporation (CIEN) reported $6.02B in revenue over the trailing twelve months. Revenue was $4.77B in fiscal year 2025. That is 1054% more than the $413.2M of fiscal year 1997.
Ciena Corporation (CIEN) grew revenue by 18.8% in fiscal year 2025, compared with the prior fiscal year.
Yes. Ciena Corporation (CIEN) earned $654.4M in net income over the trailing twelve months (a 10.9% net margin).
Ciena Corporation (CIEN) had a return on equity (ROE) of 4.4% in fiscal year 2025. That is below the market's typical 10-15%.
Ciena Corporation (CIEN) generated $719.0M in free cash flow over the trailing twelve months.