What is Ciena's operating cash flow?

Ciena (CIEN) reported operating cash flow of $259.7M in Q1 2026.

How has Ciena's operating cash flow changed year-over-year?

Ciena's operating cash flow increased by 65.5% year-over-year, from $156.95M to $259.7M.

What is the long-term trend for Ciena's operating cash flow?

Over 2 years (2021 to 2025), Ciena's operating cash flow has grown at a 22.0% compound annual growth rate (CAGR), from $541.65M to $806.09M.

What does operating cash flow mean?

Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.

Ciena CIEN Operating Cash Flow

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Other financials

Income statement

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Revenue$1.6B+39.5%

Gross profit$691.6M+52.7%

Operating income$237.9M+624%

Net income$218.2M+2,333%

EPS (diluted)$1.49+2,383%

Balance sheet

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Cash & equivalents$1.0B+10.0%

Total debt$1.6B-0.8%

Total equity$2.9B+4.2%

Total assets$6.0B+6.7%

Cash flow

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CapEx$41.0M+42.8%

Free cash flow$218.7M+70.5%

Valuation

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Market cap$68.61B+551%

Enterprise value$69.14B+519%

P/E156.5×+56.0×

P/S12.3×+9.8×

Profitability

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Gross margin43%+1.1pp

Operating margin9.2%+4.5pp

Net margin7.9%+5.4pp

FCF margin15%—

Returns & leverage

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Return on equity15.5%+11.8pp

Debt / equity0.5×0.0×

Current ratio2.7×-0.7×

Where this comes from

Reported directly by Ciena in its filing.

Tagged under the XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities.

The official record: Ciena’s 10-Q, filed June 4, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Ciena's operating cash flow?: Ciena (CIEN) reported operating cash flow of $259.7M in Q1 2026.
How has Ciena's operating cash flow changed year-over-year?: Ciena's operating cash flow increased by 65.5% year-over-year, from $156.95M to $259.7M.
What is the long-term trend for Ciena's operating cash flow?: Over 2 years (2021 to 2025), Ciena's operating cash flow has grown at a 22.0% compound annual growth rate (CAGR), from $541.65M to $806.09M.
What does operating cash flow mean?: Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.