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Buy Day today: Good (62) Broad market participation · no major macro event
CIEN

Ciena Corp

Technology · Communication Equipment

344.30$ +1.1% vs. previous close Closing price · As of: Sep 17, 2026

Statements

Ratios

Valuation ratios (P/E, P/S, EV/EBITDA and the other multiples) are based on the closing price at the end of each period, not on the current price. Margins and returns are shown in percent, multiples without a unit, per-share figures in the reporting currency, net debt in millions.

Tick rows to compare them in a chart (up to 4)

Ratios CIEN
Line item 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
Valuation
248.1 40.3 2.9 23.1 17.0 17.0 47.7 24.7 110.4 223.6
0.8 1.2 1.1 1.3 1.5 1.6 1.7 2.4 2.0 1.4 2.3 5.8
4.7 3.8 1.7 2.3 2.7 2.4 2.8 2.7 2.2 3.3 10.1
0.6 1.4 1.3 1.4 1.4 1.6 1.6 2.2 2.0 1.6 2.5 5.9
10.4 16.1 12.0 11.7 14.2 11.9 9.3 12.4 19.7 12.3 28.1 72.2
42.7 14.5 16.0 25.8 27.8 16.7 15.0 18.4 101.5 24.5 41.5
2.3% 6.9% 6.2% 3.9% 3.6% 6.0% 6.7% 5.4% -3.5% 1.0% 4.1% 2.4%
Margins
41.4% 44.0% 44.7% 44.5% 42.5% 43.2% 46.8% 47.6% 43.0% 42.8% 42.8% 42.0%
2.0% 4.1% 6.0% 7.7% 7.4% 9.7% 13.8% 13.7% 7.1% 8.8% 4.8% 6.5%
-1.8% 0.5% 2.8% 45.0% -11.1% 7.1% 10.2% 13.8% 4.2% 5.8% 2.1% 2.6%
1.8% 8.2% 7.0% 5.0% 5.2% 9.8% 11.6% 12.8% -7.1% 1.4% 9.4% 13.9%
Returns
1.9% 9.5% 59.1% -17.9% 11.7% 14.4% 16.6% 5.6% 8.9% 3.0% 4.5%
-2.0% 0.4% 2.5% 31.9% -9.2% 6.5% 8.6% 10.3% 3.0% 4.5% 1.5% 2.1%
Balance Sheet & Debt
-389 488 487 299 -48 -214 -383 -723 96 565 629 462
-2.9 2.3 1.7 0.9 -0.2 -0.5 -0.6 -1.2 0.3 1.0 1.8 1.2
-3.4% 23.0% 26.6% 54.1% 51.4% 55.8% 60.0% 62.1% 53.5% 50.9% 49.9% 46.5%
2.1 1.7 0.4 0.4 0.3 0.3 0.2 0.4 0.6 0.6 0.6
Per Share
-0.38 0.10 0.48 7.43 -2.40 1.61 2.32 3.19 1.00 1.71 0.58 0.85
21.63 20.36 17.26 16.49 21.53 22.66 22.65 23.10 23.87 29.37 27.51 32.84
-0.66 5.17 5.09 12.57 13.42 13.79 16.09 19.27 17.83 19.07 19.29 18.79
0.39 1.67 1.21 0.83 1.12 2.22 2.64 2.95 -1.70 0.42 2.59 4.58

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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