Powerpack

Unlock full stockrow access for only $9.90/month and boost yourself as an investor.

  • Full quarterly history

    Every quarter and TTM period we hold, not just the last 12.

  • Analyst estimates

    Three years of forward estimates and dividend forecasts.

  • Unlimited screener

    All results, unlimited saved screens, email when a screen changes.

  • Unlimited Excel

    Full workbooks and screener exports.

  • Unlimited follows

See Powerpack
Screener Weekly Summary Pricing

Ciena Corporation CIEN

Technology  —  Communication Equipment
356.91 (1.52) (0.42%) as of 25 Sep
Market cap
$51.7B
P/E
77.3×
S&P 500 Member Cash Flow Champion (3y)
Indexes indicate stock being part of an index,
Growth Flags show if company had growth for consecutive years
Overview Business Profile Financial Analysis Income Statement Balance Sheet Cash Flow Metrics & Ratios 10-Q 10-K

Ciena Corporation (CIEN) 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

Annual

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

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 0.2×

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 →

More on CIEN