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/E ratio

As of 25 September 2026, Ciena Corporation (CIEN) trades at a P/E ratio of 77.3×. Over the past ten years it has ranged from 0.0× (January 2019) to 323× (April 2026); the current reading is higher than 76% of that period. That is above the Communication Equipment industry median of 33.6× and above the Technology sector median of 29.7×.

P/E ratio, daily

Annual

Period P/E ratio Change
FY2025 221× 101.68%
FY2024 110× 346.30%
FY2023 24.5× (47.75%)
FY2022 47.0× 173.64%
FY2021 17.2× 2.57%
FY2020 16.7× (26.08%)
FY2019 22.6× —
FY2018 0.0× —
FY2017 2.4× (93.54%)
FY2016 37.3× (83.22%)

Quarterly

Period P/E ratio Change
Jul 2026 81.6× (52.20%)
Apr 2026 171× 2.38%
Jan 2026 167× (24.49%)
Oct 2025 221× 133.11%
43 more quarters

Against its own ten years

Low 0.0× High 323×
Ten-year median 29.3×
Current reading's percentile 76

P/E ratio against peers

Company P/E ratio
ASTS AST SpaceMobile, Inc. compare n/m
LITE Lumentum Holdings Inc. compare n/m
NOK Nokia Corporation compare 5.6×
ERIC Ericsson compare 12.2×
HPE Hewlett Packard Enterprise Company compare 31.3×
ZBRA Zebra Technologies Corporation compare 33.6×
UI Ubiquiti Inc. compare 35.3×
MSI Motorola Solutions, Inc. compare 35.5×
CIEN Ciena Corporation 77.3×
Communication Equipment industry median 33.6×
Technology sector median 29.7×
Market median 17.9×

What P/E ratio is

Price to Earnings Ratio shows how much investors pay for each dollar of a company’s annual profit per share.

Stock Price ÷ EPS (Basic) (TTM)

The full definition of P/E ratio →

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