Ciena Corporation CIEN

356.91 (1.52) (0.42%) as of 25 Sep
Market cap
$51.7B
P/E
77.3×
Indexes indicate stock being part of an index,
Growth Flags show if company had growth for consecutive years

Ciena Corporation (CIEN) P/B ratio

As of 25 September 2026, Ciena Corporation (CIEN) trades at a P/B ratio of 16.6×. Over the past ten years it has ranged from 0.0× (April 2015) to 30.8× (June 2026); the current reading is higher than 93% of that period. That is above the Communication Equipment industry median of 2.4× and above the Technology sector median of 3.0×.

P/B ratio, daily

Annual

Period P/B ratio Change
FY2025 9.9× 203.24%
FY2024 3.3× 47.87%
FY2023 2.2× (17.33%)
FY2022 2.7× (6.04%)
FY2021 2.8× 18.05%
FY2020 2.4× (9.53%)
FY2019 2.7× 14.23%
FY2018 2.3× 64.73%
FY2017 1.4× (59.58%)
FY2016 3.5× (24.93%)

Quarterly

Period P/B ratio Change
Jul 2026 17.5× (32.33%)
Apr 2026 25.9× 90.08%
Jan 2026 13.6× 37.65%
Oct 2025 9.9× 109.47%
43 more quarters

Against its own ten years

Low 0.0× High 30.8×
Ten-year median 3.1×
Current reading's percentile 93

P/B ratio against peers

Company P/B ratio
NOK Nokia Corporation compare 2.3×
ERIC Ericsson compare 2.8×
HPE Hewlett Packard Enterprise Company compare 3.2×
ZBRA Zebra Technologies Corporation compare 5.1×
ASTS AST SpaceMobile, Inc. compare 7.7×
LITE Lumentum Holdings Inc. compare 15.1×
CIEN Ciena Corporation 16.6×
UI Ubiquiti Inc. compare 23.6×
MSI Motorola Solutions, Inc. compare 28.1×
Communication Equipment industry median 2.4×
Technology sector median 3.0×
Market median 1.8×

What P/B ratio is

Price to Book Value tells an investor how much the market pays for a company’s shares relative to the accounting net worth that belongs to common shareholders.

Stock Price ÷ (Common Equity (Total) (latest quarter) ÷ Shares (Basic, Weighted) (latest quarter))

The full definition of P/B ratio →

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