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Saturday 17 October 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. In the quarter to July 2026, revenue grew 37.1%, EPS grew 437.1%, free cash flow fell 13.6% and total debt rose 110.0%, each against the same quarter a year earlier. Member of the S&P 500; operating cash flow growth for three consecutive years.

332.73 23.79 −6.67%
Market cap
$50.6B
P/E
72.0×
Fwd P/E
94.0×
Dividend yield
—
F-score
7/9
Altman Z
5.80
Beneish M
−2.92
Dividend safety
n/a
Overview Business Profile Financial Analysis Income Statement Balance Sheet Cash Flow Metrics & Ratios Filings 10-Q 10-K

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 0.1× 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×
ERIC Ericsson compare 0.3×
LITE Lumentum Holdings Inc. compare 0.4×
HPE Hewlett Packard Enterprise Company compare 0.7×
ZBRA Zebra Technologies Corporation compare 0.8×
CIEN Ciena Corporation 1.1×
ASTS AST SpaceMobile, Inc. compare 1.2×
MSI Motorola Solutions, Inc. compare 3.4×
Communication Equipment industry median 0.1×
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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