

Ciena vs Teledyne
This page compares Ciena and Teledyne, examining their business models, financial performance, and market context in accessible, neutral terms. It presents background, comparisons, and considerations to help readers understand the landscape without investment guidance. Educational content, not financial advice.
This page compares Ciena and Teledyne, examining their business models, financial performance, and market context in accessible, neutral terms. It presents background, comparisons, and considerations ...
Why It's Moving

Ciena Powers Up as AI Optical Demand Fuels Record Backlog and Soaring 2026 Outlook
- Revenue hit $4.77 billion, up 19% year-over-year, with adjusted EPS of $2.64 crushing estimates, highlighting robust AI-driven sales mix.
- FY2026 guidance raised to $5.7-$6.1 billion (24% growth midpoint), backed by the $5B backlog that covers a large chunk of expected sales.
- Analysts applaud Zacks Rank #1 status and margin expansion to 17%, positioning Ciena as a key beneficiary of the 1.6T optical upgrade cycle.

Teledyne Technologies Crushes Q4 Estimates with Record Sales and Margins, Eyes Strong 2026 Outlook.
- Q4 sales hit historic high driven by defense surveillance strength and record autonomous underwater vehicle sales, validating product demand in key markets.
- Non-GAAP EPS surged 14.1% YoY with operating cash flow at $379M, bolstering capital flexibility for $850M in acquisitions and $400M stock buybacks.
- 2026 guidance projects $6.37B revenue and $23.45–23.85 non-GAAP EPS, underscoring portfolio resilience despite defense growth moderation.

Ciena Powers Up as AI Optical Demand Fuels Record Backlog and Soaring 2026 Outlook
- Revenue hit $4.77 billion, up 19% year-over-year, with adjusted EPS of $2.64 crushing estimates, highlighting robust AI-driven sales mix.
- FY2026 guidance raised to $5.7-$6.1 billion (24% growth midpoint), backed by the $5B backlog that covers a large chunk of expected sales.
- Analysts applaud Zacks Rank #1 status and margin expansion to 17%, positioning Ciena as a key beneficiary of the 1.6T optical upgrade cycle.

Teledyne Technologies Crushes Q4 Estimates with Record Sales and Margins, Eyes Strong 2026 Outlook.
- Q4 sales hit historic high driven by defense surveillance strength and record autonomous underwater vehicle sales, validating product demand in key markets.
- Non-GAAP EPS surged 14.1% YoY with operating cash flow at $379M, bolstering capital flexibility for $850M in acquisitions and $400M stock buybacks.
- 2026 guidance projects $6.37B revenue and $23.45–23.85 non-GAAP EPS, underscoring portfolio resilience despite defense growth moderation.
Investment Analysis

Ciena
CIEN
Pros
- Ciena is positioned as a market leader in optical networking equipment critical for AI data center buildouts and robust demand growth over coming years.
- The company has strong institutional backing and a large-cap valuation with $4.54 billion annual revenue and a solid 15.6% return on equity.
- Ciena targets significant future growth with projections of $6.5 billion revenue and $590.5 million earnings by 2028 based on a 12.5% annual revenue growth rate.
Considerations
- Despite bullish sentiment, the current stock price trades at a high premium with a price-to-earnings ratio over 200 and a steep forward P/E around 54.
- Analyst consensus shows a wide range of price targets with an average forecast implying a potential 28% price decline over the next year.
- Recent profit margins remain modest at 3.4% net margin, indicating profitability is still developing amid competitive market pressures.

Teledyne
TDY
Pros
- Teledyne Technologies benefits from a diversified industrial technology portfolio including instrumentation, digital imaging, and aerospace electronics segments.
- The company has a strong track record of consistent revenue and earnings growth, supported by robust demand in multiple end markets.
- Teledyne maintains a strong balance sheet with solid cash flow generation enabling disciplined capital allocation and strategic acquisitions.
Considerations
- Its exposure to cyclicality in aerospace and defence sectors can introduce volatility linked to government budgets and broader economic conditions.
- High valuation multiples relative to historical averages may pressure future returns if growth expectations are not met.
- Execution risk exists in integrating recent acquisitions and maintaining technological leadership amid rapid innovation and competition.
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Ciena (CIEN) Next Earnings Date
Ciena Corporation's next earnings date is estimated for March 10, 2026, following the pattern from prior fiscal year reports. This release will cover the first quarter of fiscal 2026 (Q1 FY2026). Note that the company has not yet officially confirmed the precise date, with estimates ranging from early to mid-March based on historical schedules.
Teledyne (TDY) Next Earnings Date
Teledyne Technologies (TDY) reported its Q4 2025 earnings on January 21, 2026, which has already passed. The next earnings date is scheduled for April 22, 2026, covering the Q1 2026 results. This aligns with the company's historical quarterly reporting pattern following the recent release.
Ciena (CIEN) Next Earnings Date
Ciena Corporation's next earnings date is estimated for March 10, 2026, following the pattern from prior fiscal year reports. This release will cover the first quarter of fiscal 2026 (Q1 FY2026). Note that the company has not yet officially confirmed the precise date, with estimates ranging from early to mid-March based on historical schedules.
Teledyne (TDY) Next Earnings Date
Teledyne Technologies (TDY) reported its Q4 2025 earnings on January 21, 2026, which has already passed. The next earnings date is scheduled for April 22, 2026, covering the Q1 2026 results. This aligns with the company's historical quarterly reporting pattern following the recent release.
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Explore BasketBuy CIEN or TDY in Nemo
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