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Friday 6 November 2026 Export CIEN’s income statement to Excel — free account

Ciena Corporation

CIEN Technology Communication Equipment

Ciena Corporation’s revenue for fiscal 2025 (year ended October 2025) was $4.8 billion, up 18.8% from fiscal 2024.

Revenue
+37.1%
EPS
+437.1%
Free cash flow
−13.6%
Total debt
+110.0%

Quarter to July 2026, against a year earlier

242.85 12.04 +5.22%
Market cap
$32.7B
P/E
50.6×
Fwd P/E
55.3×
Dividend yield
—
F-score
7/9
Altman Z
5.80
Beneish M
−2.92
Dividend safety
n/a
Overview Business Profile Earnings & Analysis
Financials
Income Statement Balance Sheet Cash Flow Metrics & Ratios
Segments Valuation Filings

Ciena Corporation (CIEN) Debt to equity

Alert me on Debt to equity

Ciena Corporation's debt to equity at the end of the quarter to 31 July 2026 was 1.1×, up 0.5× from fiscal 2025 (0.6×). Over the past ten years it has ranged from 0.2× (fiscal 2021) to 2.1× (fiscal 2015); the current reading is higher than 82% of that period. That is above the Communication Equipment industry median of 0.0× and above the Technology sector median of 0.1×.

Debt to equity, annual

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Annual newest first

Period Debt to equity Change
FY2025 0.6× 2.59%
FY2024 0.5× 0.46%
FY2023 0.5× 38.68%
FY2022 0.4× 75.52%
FY2021 0.2× (17.63%)
FY2020 0.3× (13.94%)
FY2019 0.3× (11.96%)
FY2018 0.4× (17.96%)
FY2017 0.4× (73.22%)
FY2016 1.6× (20.29%)

Quarterly newest first

Period Debt to equity Change
Jul 2026 1.1× 99.58%
Apr 2026 0.5× (3.78%)
Jan 2026 0.6× (2.22%)
Oct 2025 0.6× 1.98%
43 more quarters

Against its own ten years

Low 0.2× High 2.1×
Ten-year median 0.4×
Current reading's percentile 82

Debt to equity against peers

Company Debt to equity
UI Ubiquiti Inc. compare 0.0×
NOK Nokia Corporation compare 0.1×
LITE Lumentum Holdings Inc. compare 0.3×
ERIC Ericsson compare 0.3×
HPE Hewlett Packard Enterprise Company compare 0.7×
ZBRA Zebra Technologies Corporation compare 0.7×
CIEN Ciena Corporation 1.1×
ASTS AST SpaceMobile, Inc. compare 1.2×
MSI Motorola Solutions, Inc. compare 3.0×
Communication Equipment industry median 0.0×
Technology sector median 0.1×
Market median 0.1×

What Debt to equity is

Debt to Equity Ratio shows how much a company relies on borrowed money compared with the money its shareholders have in the business.

(Long Term Debt (Total) + Current Part of Debt) ÷ Shareholders Equity (Total)

The full definition of Debt to equity →

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