CIEN

NYSE

CIENA CORP

Information Technology, Communications Equipment

$412.39

close 7 Aug 2026

+341.63%

52-week change

$58.39B

market cap

$84.41

$637.51

52-week range

Valuation

Market cap$58.39B

P/E (TTM / 5y avg)137.46x94.29x

Forward P/E (FY2026 / FY2027)63.06x42.79x

PEG (TTM / fwd)—1.33

P/S (TTM)10.49x

P/B20.19x

EV/EBITDA (TTM)94.93x

FCF yield (TTM)1.43%

Cash flow & dividend

FCF (TTM)$832.66M

FCF per share (TTM)$5.88

FCF margin (TTM)14.95%

Dividend yield (indicated / 5y avg)——

Annualized dividend—

Payout ratio (EPS / FCF)——

Growth & quality

Revenue YoY, latest Q+39.51%

Diluted EPS YoY, latest Q+2,383.33%

Operating margin (TTM)9.18%

Net margin (TTM)7.87%

ROE (latest FY)4.52%

Net debt / EBITDA (TTM)0.78

Interest coverage (TTM)5.88

Price

+637.46%+49.33%/yrover 5y

Weekly closes · split-adjusted

close 7 Aug 2026

Fundamentals

Fiscal years, last 10, CAGR chips on growth series, plus a dimmed trailing-twelve-month bar

Revenue

5Y CAGR +6.19%10Y CAGR +6.91%

Diluted EPS

5Y CAGR -18.19%10Y CAGR +23.86%

FCF per share

5Y CAGR +11.68%10Y CAGR +10.34%

Operating cash flow

5Y CAGR +10.30%10Y CAGR +11.89%

Free cash flow

5Y CAGR +10.11%10Y CAGR +12.77%

Operating margin

FCF margin

Return on equity

Return on capital employed

Shares outstanding

5Y CAGR -1.82%10Y CAGR +0.39%

Net debt / EBITDA

Interest coverage

Earnings

Street estimates, not SEC filings

Next / Q3 FY26

Date2 Sep 2026bmo

EPS estimate$1.76

Revenue estimate$1.66B

Last reported

Date—

EPS——

Revenue——