NYSE$CIEN
Ciena Corp · Q4 2025 earnings
Q4 2025 earnings · · Before market open · Investor relations
Briefing
Ciena reported strong revenue and adjusted EPS growth in Q4 2025, driven by demand across networking platforms.
Ciena achieved record quarterly revenue of $1.35B in Q4 2025 with solid adjusted EPS of $0.91, reflecting strong performance from cloud and service provider customers amid rising operating costs.
- Ciena delivered $1.35B in revenue, marking a strong quarter.
- Adjusted EPS nearly doubled YoY to $0.91.
- Net income reached $19.49M on a GAAP basis.
- Growth led by Optical Networking and Services segments.
Headline financials
Revenue & EPS history
Ciena · Revenue · Quarterly
$1.35B
Revenue by segment
Ciena · $1.13B total across 7 segments · Q4 2023
- Optical Networking$748M+15.1%66.2%
- Routing & Switching$129M+25.4%11.4%
- Platform Software & Services$82.1M+14.7%7.3%
- Maintenance & Support$74.4M+1.8%6.6%
- Implementation$60.1M+62.9%5.3%
- Blue Planet Automation$20M-5.7%1.8%
- Advisory & Enablement$16M+3.2%1.4%
Forward guidance
Ciena expects continued growth into FY 2026, forecasting $1.35B–$1.43B in Q1 revenue and $5.7B–$6.1B for the full year, supported by robust demand across cloud and data center markets.
Tailwinds
- Q1 2026 revenue guidance: $1.35B to $1.43B.
- FY26 revenue guidance: $5.7B to $6.1B.
- Adjusted gross margin guidance: ~43% ±1%.
- FY26 adjusted operating margin expected at 17% ±1%.
- Strong demand from cloud and service providers continues.
Headwinds
- FY26 operating expenses projected at ~$1.52B.
- Product inventory turns remain low at 3.1.
- DSO at 77 indicates ongoing collection cycle pressure.
- Margin improvement may face cost headwinds.
- Macroeconomic conditions could impact customer budgets.
Historical earnings impact
How earnings announcements have historically affected this stock's price.
Avg. return before/after earnings
Based on 20 quarterly earnings reports · overlaid with Q4 2025
+1.8%
Avg return
Earnings day
+1.9%
Avg return
5 days after
+3.7%
Avg return
30 days after
51%
35 / 68 earnings
Positive
+26.1%
Q2 2019
Best reaction
-26.3%
Q3 2020
Worst reaction
| Quarter | Report date | Reaction (Day 0) | +5 days | +30 days |
|---|---|---|---|---|
| Q1 2026 | -12.9% | -1.8% | +30.3% | |
| Q4 2025 | +9.4% | -5.4% | +3.9% | |
| Q3 2025 | +22.8% | +28.9% | +59.7% | |
| Q2 2025 | -0.4% | +1.0% | +15.0% | |
| Q1 2025 | -2.4% | -2.6% | -10.9% | |
| Q4 2024 | +22.6% | +20.4% | +12.3% | |
| Q3 2024 | -5.3% | -7.0% | +20.5% | |
| Q2 2024 | -5.2% | -4.8% | -3.0% | |
| Q1 2024 | -12.4% | -16.9% | -23.2% | |
| Q4 2023 | -3.1% | -4.8% | +1.5% | |
| Q3 2023 | +12.3% | +11.1% | +9.5% | |
| Q2 2023 | -8.9% | -12.9% | -10.8% | |
| Q1 2023 | +0.8% | +0.9% | +5.6% | |
| Q4 2022 | +17.4% | +17.0% | +18.9% | |
| Q3 2022 | -12.8% | -15.8% | -20.3% | |
| Q2 2022 | -5.1% | -5.3% | -11.1% | |
| Q1 2022 | -11.7% | -16.6% | -11.8% | |
| Q4 2021 | +17.9% | +18.9% | +17.4% | |
| Q3 2021 | +0.1% | -2.2% | -8.2% | |
| Q2 2021 | +10.3% | +11.1% | +6.5% | |
| Q1 2021 | -2.0% | -0.2% | +11.9% | |
| Q4 2020 | +1.3% | +2.9% | +12.2% | |
| Q3 2020 | -26.3% | -29.9% | -33.2% | |
| Q2 2020 | -3.6% | -2.2% | -5.4% | |
| Q1 2020 | -1.3% | -2.6% | -3.1% | |
| Q4 2019 | +16.9% | +15.5% | +17.6% | |
| Q3 2019 | -4.1% | -3.8% | -8.7% | |
| Q2 2019 | +26.1% | +22.7% | +19.8% | |
| Q1 2019 | -6.6% | -8.9% | -12.4% | |
| Q4 2018 | +7.5% | +3.2% | +14.1% | |
| Q3 2018 | +15.6% | +17.4% | +14.4% | |
| Q2 2018 | -2.7% | +0.2% | +10.2% | |
| Q1 2018 | +13.2% | +15.8% | +8.8% | |
| Q4 2017 | -1.1% | +1.9% | +1.7% | |
| Q3 2017 | -9.1% | -10.6% | -9.5% | |
| Q2 2017 | +17.1% | +13.1% | +6.6% | |
| Q1 2017 | -9.5% | -11.1% | -16.1% | |
| Q4 2016 | +14.2% | +10.6% | +12.0% | |
| Q3 2016 | +6.7% | +7.1% | +1.6% | |
| Q2 2016 | +18.4% | +22.5% | +4.0% | |
| Q1 2016 | -16.6% | — | — | |
| Q4 2015 | -17.8% | — | — | |
| Q3 2015 | +0.1% | — | — | |
| Q2 2015 | +2.3% | — | — | |
| Q1 2015 | +2.2% | — | — | |
| Q4 2014 | +6.8% | — | — | |
| Q3 2014 | -5.3% | — | — | |
| Q2 2014 | +17.1% | — | — | |
| Q1 2014 | -5.2% | — | — | |
| Q4 2013 | -5.4% | — | — | |
| Q3 2013 | +13.9% | — | — | |
| Q2 2013 | +21.1% | — | — | |
| Q1 2013 | +14.8% | — | — | |
| Q4 2012 | +0.9% | — | — | |
| Q3 2012 | -18.2% | — | — | |
| Q2 2012 | +6.7% | — | — | |
| Q1 2012 | +10.0% | — | — | |
| Q4 2011 | +7.3% | — | — | |
| Q3 2011 | -8.6% | — | — | |
| Q2 2011 | -6.2% | — | — | |
| Q1 2010 | +2.5% | — | — | |
| Q1 2011 | -1.9% | — | — | |
| Q2 2010 | -5.0% | — | — | |
| Q4 2008 | -5.0% | — | — | |
| Q4 2010 | -5.0% | — | — | |
| Q4 2009 | +3.6% | — | — | |
| Q3 2010 | +3.6% | — | — | |
| Q3 2009 | +3.6% | — | — |
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