CIENNYSETelephone & Telegraph ApparatusFiscal year ends October 31

CIENA CORP

Financials through Q3 FY2026, quarter ended Aug 1, 2026Last filing: 10-Q on Sep 3, 2026

$344.20+11.47 (+3.45%)

Close on Oct 19, 2026

Market cap: $50.24B
P/E (TTM): 76.8
Dividend yield: –

CIENA CORP cash flow statement

Annual Quarterly TTM

Millions of USD, except per-share data. Shares in millions.

Line item	FY 2025 2025-11-01	FY 2024 2024-11-02	FY 2023 2023-10-28	FY 2022 2022-10-29	FY 2021 2021-10-30	FY 2020 2020-10-31	FY 2019 2019-11-02	FY 2018 2018-10-31	FY 2017 2017-10-31	FY 2016 2016-10-31	FY 2015 2015-10-31	FY 2014 2014-10-31	FY 2013 2013-10-31	FY 2012 2012-10-31	FY 2011 2011-10-31	FY 2010 2010-10-31	FY 2009 2009-10-31	FY 2008 2008-10-31
Stock-Based Compensation	185	156	130	105	84	68	60	53	48	52	55	43	38	32	38	36	34	31
Deferred Income Taxes	-23	-77	-15	-28	-156	64	20	464	-1,127	-1.12	0	0	0	0	0.18	0.70	-0.88	1.64
Other Non-Cash Items	0.74	-12	-16	-4.12	-15	-20	-5.83	-22	-22	-25	-26	-26	-9.02	-14	-2.74	-3.57	-2.04	–
Change in Accounts Receivable	-99	80	-95	-47	-174	-17	66	-168	-66	-26	-37	-33	-145	70	-76	-218	20	-32
Change in Inventory	-54	153	-132	-589	-48	-25	-113	-27	-92	-53	47	-38	-8.94	-53	14	-41	-10	3.71
Change in Accounts Payable	226	64	-138	100	162	-118	28	86	34	7.15	-11	-60	115	13	-59	181	2.94	-32
Change in Unearned Revenue	64	9.88	27	26	17	2.52	16	-19	1.96	-9.59	35	33	5.09	-17	19	1.03	1.51	7.62
Operating Cash Flow	806	515	168	-168	542	494	413	229	235	290	262	90	45	107	-90	-229	7.42	118
Capital Expenditures	-141	-137	-106	-91	-80	-83	-63	-68	-95	-107	-62	-48	-44	-48	-52	-51	-24	-30
Acquisitions	-231	0	-230	-62	0	-28	0	-83	0	-32	37	0	0	0	0	-693	0	-210
Purchase of Investments	-214	-309	-252	-656	-171	-223	-158	-287	-299	-365	-245	-245	-185	0	-50	-64	-1,214	-572
Sale & Maturity of Investments	349	141	208	702	150	110	249	410	335	231	205	195	95	0	0	634	1,168	901
Investing Cash Flow	-241	-306	-383	-101	-91	-220	24	-19	-61	-296	-43	-106	-131	-12	-69	-199	-74	91
Share Repurchases	-335	-255	-242	-501	-91	-75	-150	-111	0	0	–	–	–	–	–	–	–	–
Stock Issued	36	34	31	30	28	28	23	23	20	23	30	18	16	12	13	1.57	1.11	5.78
Debt Issued	–	–	–	400	0	0	0	305	0	249	–	–	–	–	–	–	–	–
Debt Repaid	-12	-12	-9.43	-5.20	-6.93	-5.20	-7.00	-293	-234	-266	–	–	–	–	–	–	–	–
Taxes Paid on Share-Based Awards	-91	-47	-39	-48	-44	-32	-29	-4.76	0	0	–	–	–	–	–	–	–	–
Financing Cash Flow	-406	-285	229	-133	-117	-87	-279	-99	-311	-4.23	-8.05	259	-207	7.94	13	630	1.11	-550
Foreign Exchange Rate Adjustments	-1.51	1.25	2.15	-26	-0.20	-1.64	0.48	-5.86	0.49	-2.39	-6.68	-1.72	-2.44	-2.50	-0.94	0.68	0.70	-0.69
Net Change in Cash	157	-76	16	-428	334	185	159	105	-137	-13	204	240	-296	101	-147	203	-65	-341
Free Cash Flow	665	378	62	-259	462	411	351	162	140	182	200	42	0.86	59	-143	-280	-17	88
Income Taxes Paid	114	55	78	35	73	53	34	27	22	15	11	11	11	9.60	3.20	1.71	0.58	3.12
Interest Paid	85	93	84	43	30	33	40	45	47	47	41	36	32	34	33	12	4.75	15

Italic numbers are calculated by StockData (for example Q4 = full year − nine months). Per-share data and share counts are adjusted for stock splits. Hover a number for its source; click it to open the filing on SEC.gov. Click a row to chart it.

Ratios

Latest available, balances at Aug 1, 2026

Profitability, TTM

Gross margin: 44.1%
Operating margin: 12.3%
Net margin: 10.9%
Return on equity, FY2025: 4.4%

Financial strength

Current ratio: 3.80
Debt to equity: 1.06
Debt to assets: 40.4%
Cash to current liabilities: 176.5%

Valuation

P/E ratio: 76.8
Price to sales: 8.34
Price to book: 16.44
Dividend yield: –