Ciena Corporation (CIEN) Key Metrics

NYSE: CIENValuation, returns, debt and efficiency ratios over 10 years.

CIEN valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$47.18B
Enterprise value
$51.13B
P/E (TTM)
74.4
10-yr median 24.7
Forward P/E
39.8
PEG ratio
0.57
Price / sales
7.8
10-yr median 1.7
Price / book
16.0
10-yr median 2.7
EV / EBITDA
51.0
10-yr median 12.3
Dividend yield
—
Beta
1.29

CIEN key metrics, FY2016–FY2025

Fiscal year ended October 31, 2025 · U.S. dollars

CIEN valuation Price multiples at each fiscal year-end price.

P/E ratio+102.6%
223.7
FY2025 · hover or tap a bar for each year
FY2016: 40.2 (−83.8%)FY2017: 2.9 (−92.9%)FY2019: 23.1FY2020: 17.0 (−26.3%)FY2021: 17.0 (+0.1%)FY2022: 47.7 (+180.3%)FY2023: 24.7 (−48.1%)FY2024: 110.4 (+346.4%)FY2025: 223.7 (+102.6%)
FY2016FY2025
Price / sales+150.5%
5.8
FY2025 · hover or tap a bar for each year
FY2016: 1.1 (−5.3%)FY2017: 1.3 (+14.9%)FY2018: 1.5 (+12.6%)FY2019: 1.6 (+12.8%)FY2020: 1.7 (+6.2%)FY2021: 2.4 (+35.1%)FY2022: 2.0 (−14.6%)FY2023: 1.4 (−28.4%)FY2024: 2.3 (+60.7%)FY2025: 5.8 (+150.5%)
FY2016FY2025
Price / book+207.0%
10.1
FY2025 · hover or tap a bar for each year
FY2016: 3.8 (−18.4%)FY2017: 1.7 (−55.6%)FY2018: 2.3 (+37.7%)FY2019: 2.7 (+15.6%)FY2020: 2.4 (−9.1%)FY2021: 2.8 (+15.1%)FY2022: 2.7 (−4.6%)FY2023: 2.2 (−17.6%)FY2024: 3.3 (+48.7%)FY2025: 10.1 (+207.0%)
FY2016FY2025
EV / EBITDA+161.6%
71.7
FY2025 · hover or tap a bar for each year
FY2016: 11.1 (−28.1%)FY2017: 10.8 (−2.1%)FY2018: 13.7 (+26.1%)FY2019: 11.8 (−13.6%)FY2020: 9.2 (−21.7%)FY2021: 12.3 (+33.1%)FY2022: 19.5 (+58.5%)FY2023: 12.2 (−37.2%)FY2024: 27.4 (+123.9%)FY2025: 71.7 (+161.6%)
FY2016FY2025
Price / free cash flow+69.0%
41.5
FY2025 · hover or tap a bar for each year
FY2016: 16.0 (+10.5%)FY2017: 25.8 (+60.8%)FY2018: 27.8 (+7.9%)FY2019: 16.7 (−40.0%)FY2020: 14.9 (−10.4%)FY2021: 18.4 (+23.2%)FY2023: 101.5FY2024: 24.5 (−75.8%)FY2025: 41.5 (+69.0%)
FY2016FY2025
Free cash flow yield−1.7 pts
2.4%
FY2025 · hover or tap a bar for each year
FY2016: 6.2% (−0.7 pts)FY2017: 3.9% (−2.4 pts)FY2018: 3.6% (−0.3 pts)FY2019: 6.0% (+2.4 pts)FY2020: 6.7% (+0.7 pts)FY2021: 5.4% (−1.3 pts)FY2022: −3.5% (−9.0 pts)FY2023: 1.0% (+4.5 pts)FY2024: 4.1% (+3.1 pts)FY2025: 2.4% (−1.7 pts)
FY2016FY2025

CIEN valuation history

Fiscal year-endToday10-year median

CIEN returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

CIEN debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

CIEN cash returned to shareholders

DividendsBuybacksFree cash flow

CIEN price vs earnings per share

Share price at year-endEPS (right axis)

CIEN key metrics

FY2016–FY2025
Ciena Corporation key metrics by fiscal year
FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Valuation
Market capitalization$27.59B$9.27B$6.30B$7.29B$8.51B$6.14B$5.85B$4.49B$3.61B$2.92B
Enterprise value$27.86B$9.65B$6.85B$7.33B$7.71B$5.73B$5.59B$4.29B$3.63B$3.16B
P/E ratio223.7110.424.747.717.017.023.1—2.940.2
Price / sales5.82.31.42.02.41.71.61.51.31.1
Price / book10.13.32.22.72.82.42.72.31.73.8
Price / free cash flow41.524.5101.5—18.414.916.727.825.816.0
Price / operating cash flow34.218.037.4—15.712.414.219.615.410.1
EV / sales5.82.41.62.02.11.61.61.41.31.2
EV / EBITDA71.727.412.219.512.39.211.813.710.811.1
EV / free cash flow41.925.5110.2—16.713.916.026.625.917.3
Earnings yield0.4%0.9%4.0%2.1%5.9%5.9%4.3%−7.7%34.9%2.5%
Free cash flow yield2.4%4.1%1.0%−3.5%5.4%6.7%6.0%3.6%3.9%6.2%
Dividend yield——7.9%—0.1%——6.8%0.0%0.0%
Shareholder yield (dividends + buybacks)1.2%3.2%12.4%7.5%1.7%1.7%3.1%9.4%0.0%0.0%
Share price at fiscal year-end$189.92$63.51$42.20$47.90$54.29$39.39$37.12$31.26$21.27$19.38
Per share
Revenue per share$32.84$27.51$29.37$23.87$23.10$22.65$22.66$21.53$16.49$17.26
Earnings per share$0.85$0.58$1.71$1.00$3.19$2.32$1.61−$2.40$7.43$0.48
Operating cash flow per share$5.55$3.53$1.13−$1.10$3.46$3.17$2.62$1.59$1.38$1.92
Free cash flow per share$4.58$2.59$0.42−$1.70$2.95$2.64$2.22$1.12$0.83$1.21
Cash per share$9.01$8.57$7.47$7.55$10.23$7.95$6.43$6.22$5.41$6.99
Book value per share$18.79$19.29$19.07$17.83$19.27$16.09$13.79$13.42$12.57$5.09
Tangible book value per share$13.66$15.12$14.71$15.21$16.86$13.48$11.18$10.32$10.40$2.34
Dividends per share——$3.34—$0.04——$2.12$0.00$0.00
Capex per share$0.97$0.94$0.71$0.60$0.51$0.53$0.40$0.47$0.56$0.71
Debt per share$10.89$11.18$11.09$7.79$5.13$5.31$4.79$4.82$5.51$8.55
Shares outstanding145.2M146.0M149.4M152.2M156.7M156.0M157.6M143.7M169.9M150.7M
Change in shares outstanding−0.5%−2.3%−1.8%−2.9%+0.5%−1.1%+9.7%−15.4%+12.8%+25.5%
Returns & profitability
Return on equity (ROE)4.4%3.0%9.2%5.3%18.1%15.4%12.4%−17.0%87.0%10.5%
Return on invested capital (ROIC)7.9%4.1%9.9%8.7%22.9%19.2%15.4%5.9%13.6%13.3%
Return on assets (ROA)2.1%1.5%4.8%3.1%11.1%8.9%6.6%−8.9%36.9%2.6%
Return on tangible assets2.4%1.7%5.1%3.3%11.1%9.6%7.3%−10.4%35.2%2.9%
Free cash flow margin13.9%9.4%1.4%−7.1%12.8%11.6%9.8%5.2%5.0%7.0%
Income quality (OCF / net income)6.546.130.66−1.101.081.371.63—0.193.99
Financial health
Total debt$1.58B$1.63B$1.66B$1.19B$803.7M$828.1M$755.5M$693.5M$936.0M$1.29B
Cash & short-term investments$1.31B$1.25B$1.12B$1.15B$1.60B$1.24B$1.01B$894.4M$919.6M$1.05B
Net debt$274.1M$381.0M$541.8M$38.0M−$800.3M−$411.2M−$258.5M−$201.0M$16.3M$236.0M
Debt / equity0.580.580.580.440.270.330.350.360.441.68
Debt / assets0.270.290.300.230.170.200.190.180.240.45
Net debt / EBITDA0.711.080.970.10−1.28−0.66−0.55−0.640.050.83
Current ratio2.733.523.813.253.483.422.802.201.912.24
Quick ratio2.092.702.682.343.072.962.391.931.652.00
Interest coverage3.41.94.14.915.815.59.34.23.82.8
Working capital$2.26B$2.52B$2.62B$2.35B$2.26B$1.84B$1.52B$1.16B$941.6M$1.10B
Invested capital$3.00B$3.20B$3.39B$2.75B$2.22B$2.10B$1.91B$1.73B$2.15B$1.00B
Tangible asset value$1.98B$2.21B$2.20B$2.32B$2.64B$2.10B$1.76B$1.48B$1.77B$352.7M
Net current asset value$430.2M$698.3M$798.1M$1.03B$1.32B$927.9M$649.4M$296.1M$164.0M−$122.0M
Graham number$18.95$15.80$27.05$20.07$37.19$28.96$22.33—$45.84$7.42
Graham net-net per share−$3.56−$1.55−$1.48$0.60$4.46$2.31$0.59−$1.33−$1.69−$3.45
Capital allocation
Dividends paid——$498.3M—$6.9M——$305.1M$0$0
Share buybacks (net)$334.5M$301.1M$280.7M$549.3M$135.4M$107.0M$179.1M$115.7M$0$0
Dividend payout ratio——195.6%—1.4%———0.0%0.0%
Dividends + buybacks / free cash flow50.3%79.7%——30.8%26.0%51.1%260.4%0.0%0.0%
Capex / revenue3.0%3.4%2.4%2.5%2.2%2.3%1.8%2.2%3.4%4.1%
Capex / operating cash flow17.5%26.6%63.1%—14.7%16.7%15.1%29.5%40.3%37.0%
Capex / depreciation1.001.020.750.650.600.620.510.610.770.76
Stock-based compensation / revenue3.9%3.9%3.0%2.9%2.3%1.9%1.7%1.7%1.7%2.0%
R&D / revenue17.8%19.1%17.1%17.2%14.8%15.0%15.3%15.9%17.0%17.4%
SG&A / revenue17.2%18.2%16.1%17.8%17.5%16.6%16.7%17.9%17.8%18.6%
Efficiency
Days sales outstanding93.6110.895.2105.892.386.084.385.379.481.7
Days of inventory on hand108.7148.8145.4116.369.167.054.654.356.151.0
Days payables outstanding63.858.960.776.862.361.861.661.658.258.1
Cash conversion cycle (days)138.5200.6179.9145.399.191.177.378.177.374.6
Receivables turnover3.903.293.833.453.954.244.334.284.604.47
Payables turnover5.726.196.014.755.865.905.925.936.276.28
Inventory turnover3.362.452.513.145.285.456.686.726.507.15
Asset turnover0.830.710.820.730.800.870.930.800.820.93
Average receivables$1.22B$1.22B$1.14B$1.05B$916.0M$832.1M$824.9M$723.4M$609.1M$581.8M
Average payables$483.1M$370.6M$416.9M$436.1M$324.0M$318.4M$342.7M$300.3M$248.0M$229.0M
Average inventory$823.3M$935.6M$998.8M$660.5M$359.3M$344.7M$303.9M$264.9M$239.2M$201.2M
Intangibles / total assets12.7%10.8%11.6%7.8%7.7%9.7%10.5%11.9%9.3%14.4%

Computed from CIEN's annual financial statements (latest annual report filed December 12, 2025) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

CIEN valuation and financial ratios

At the end of fiscal 2025 (October 31, 2025), Ciena traded at 223.7 times earnings, against a 10-year median of 24.7. Based on the latest twelve months, the trailing P/E is 74.4 and the forward P/E is 39.8. Ciena earned a return on equity of 4.4% and a return on invested capital of 7.9% in fiscal 2025. It ended the year with $1.6 billion of debt and $1.3 billion in cash and short-term investments, net debt of $274.1 million. It returned $334.5 million to shareholders: $0 in dividends and $334.5 million in share buybacks, 50% of free cash flow. The share count fell 3.6% from 150.7M to 145.2M over 9 years.

See the CIEN income statement, the CIEN chart for price history, or the CIEN stock overview for the latest quote and news.

CIEN key metrics FAQ

What is Ciena's P/E ratio?

Ciena's trailing P/E ratio is 74.4 based on the last twelve months of earnings (as of October 18, 2026), and its forward P/E is 39.8. At the end of fiscal 2025 it was 223.7, compared with a 10-year median of 24.7.

What is Ciena's EV/EBITDA?

Ciena's enterprise value was 71.7 times EBITDA at the end of fiscal 2025 (enterprise value $27.9 billion, EBITDA $388.4 million); the current EV/EBITDA is 51.0.

What is Ciena's return on equity?

Ciena's return on equity (ROE) was 4.4% in fiscal 2025: net income of $123.3 million on average shareholders' equity of $2.8 billion.

What is Ciena's ROIC?

Ciena's return on invested capital was 7.9% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Ciena have?

Ciena had total debt of $1.6 billion at the end of fiscal 2025, a debt-to-equity ratio of 0.58 and $274.1 million of net debt (0.71 times EBITDA).

Does Ciena buy back its shares?

Yes. Ciena spent $334.5 million on net share repurchases in fiscal 2025 Shares outstanding changed −0.5% over the year, to 145.2M..

What is Ciena's free cash flow yield?

Ciena generated $665.3 million of free cash flow in fiscal 2025, a free cash flow yield of 2.4% on its market value at year-end ($27.6 billion).

What is Ciena's current ratio?

Ciena's current ratio was 2.73 at the end of fiscal 2025: current assets were 2.73 times current liabilities.

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