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Ciena Corp (CIEN) stock

CIENNYSETelephone & Telegraph ApparatusFiscal year ends October 31
Financials through Q3 FY2026, quarter ended Aug 1, 2026Last filing: 10-Q on Sep 3, 2026Score 12/30116% above fair value
$320.72−28.73 (-8.22%)

Close on Oct 30, 2026Market cap $45.48BP/E 71.6Yield –

Earnings

Ciena's quarterly results as reported in its earnings releases, with the company's own outlook. Hover a number to see the sentence it came from.

Next report
Dec 10, 2026
Q4 FY2026 · estimated, before the open
Revenue, Q3 FY2026
$1.67B
+36.9% on a year earlier
adjusted (non-GAAP) diluted net income per potential common share, Q3 FY2026
$2.11
$0.67 a year earlier
Latest guidance
Raised
Sep 3, 2026 · 5 items

Quarterly results

Revenue and earnings per share from each of Ciena's earnings releases, newest first

QuarterReportedRevenueYoYEPSAdj. EPSSource
Q4 FY2026ended Nov 1, 2026Dec 10, 2026Expected–––––
Q3 FY2026ended Aug 1, 2026Sep 3, 2026before the open$1.67B+36.9%$1.83$2.11Release
Q2 FY2026ended May 2, 2026Jun 4, 2026before the open$1.57B+38.9%$1.49$1.64Release
Q1 FY2026ended Jan 31, 2026Mar 5, 2026before the open$1.43B+33.6%$1.03$1.35Release
Q4 FY2025ended Nov 1, 2025Dec 11, 2025before the open$1.35B+20.5%$0.13$0.91Release
Q3 FY2025ended Aug 2, 2025Sep 4, 2025before the open$1.22B+29.5%$0.35$0.67Release
Q2 FY2025ended May 3, 2025Jun 5, 2025before the open$1.13B+24.1%$0.06$0.42Release
Q1 FY2025ended Feb 1, 2025Mar 11, 2025before the open$1.07B+2.9%$0.31$0.64Release
Q4 FY2024ended Nov 2, 2024Dec 12, 2024before the open$1.12B-0.9%$0.25$0.54Release
Q3 FY2024ended Jul 27, 2024Sep 4, 2024before the open$942.30M-11.9%$0.10$0.35Release
Q2 FY2024ended Apr 27, 2024Jun 6, 2024before the open$910.80M-19.4%-$0.12$0.27Release
Q1 FY2024ended Jan 27, 2024Mar 7, 2024before the open$1.04B-1.9%$0.34$0.66Release

Figures as first announced; later restatements appear under Financials. Expected dates are estimated from the company's past reporting pattern.

Current guidance

Ciena's latest outlook for periods it has not reported yet, compared with what it said before

MetricPeriodGuidanceBeforeChangeGiven
RevenueQ4 FY2026$1.75B–NewSep 3, 2026
Adjusted (non-GAAP) gross marginnon-GAAPQ4 FY202645%–NewSep 3, 2026
Adjusted (non-GAAP) operating marginnon-GAAPQ4 FY202620%–NewSep 3, 2026
Adjusted (non-GAAP) operating expensenon-GAAPQ4 FY2026$415.00M–NewSep 3, 2026
revenue guidanceFY2026$6.42B$6.30BRaisedSep 3, 2026
Adjusted (non-GAAP) gross marginnon-GAAPFY202644.5% – 45%43.5% – 44.5%RaisedJun 4, 2026
Adjusted (non-GAAP) operating marginnon-GAAPFY202619%17.5% – 19.5%NarrowedJun 4, 2026
Adjusted (non-GAAP) operating expensenon-GAAPFY2026$1.61B$1.52B – $1.53BRaisedJun 4, 2026

Guidance vs results

The last range Ciena gave before each report, against the figure it then reported. Full years add up the four quarters.

PeriodMetricGuidanceActualResult
Q3 FY2026Revenue$1.63B$1.67BAbove range
Q2 FY2026Revenue$1.50B$1.57BAbove range
Q1 FY2026Revenue$1.35B – $1.43B$1.43BWithin range
Q4 FY2025Revenue$1.24B – $1.32B$1.35BAbove range
Q1 FY2022Revenue$840.00M – $850.00M$844.40MWithin range

Guidance history

Every forecast Ciena put in an earnings release, newest first

GivenMetricPeriodGuidanceChange
Sep 3, 2026Adjusted (non-GAAP) gross marginQ4 FY202645%New
Sep 3, 2026Adjusted (non-GAAP) operating marginQ4 FY202620%New
Sep 3, 2026Adjusted (non-GAAP) operating expenseQ4 FY2026$415.00MNew
Sep 3, 2026revenue guidanceFY2026$6.42BRaised
Sep 3, 2026RevenueQ4 FY2026$1.75BNew
Jun 4, 2026Adjusted (non-GAAP) gross marginQ3 FY202645%New
Jun 4, 2026Adjusted (non-GAAP) gross marginFY202644.5% – 45%Raised
Jun 4, 2026Adjusted (non-GAAP) operating marginFY202619%Narrowed
Jun 4, 2026Adjusted (non-GAAP) operating marginQ3 FY202619% – 20%New
Jun 4, 2026Adjusted (non-GAAP) operating expenseFY2026$1.61BRaised
Jun 4, 2026Adjusted (non-GAAP) operating expenseQ3 FY2026$410.00MNew
Jun 4, 2026RevenueFY2026$6.30BRaised
Jun 4, 2026RevenueQ3 FY2026$1.63BNew
Mar 5, 2026Adjusted (non-GAAP) gross marginFY202643.5% – 44.5%Raised
Mar 5, 2026Adjusted (non-GAAP) gross marginQ2 FY202643.5% – 44.5%New
Mar 5, 2026Adjusted (non-GAAP) operating marginQ2 FY202617.5% – 18.5%New
Mar 5, 2026Adjusted (non-GAAP) operating marginFY202617.5% – 19.5%Raised
Mar 5, 2026Adjusted (non-GAAP) operating expenseFY2026$1.52B – $1.53BRaised
Mar 5, 2026Adjusted (non-GAAP) operating expenseQ2 FY2026$375.00M – $390.00MNew
Mar 5, 2026RevenueFY2026$5.90B – $6.30BRaised

Read from the company's earnings releases; each figure links to its sentence on hover. “Raised” and “Lowered” compare with the previous range for the same metric and period.

Press releases

Releases Ciena filed with the SEC as exhibits to Form 8-K or 6-K

  1. Ciena Reports Fiscal Third Quarter 2026 Financial Results
    Results
  2. Quarterly results release
    Results
  3. Ciena Corporation Announces Pricing of Upsized Convertible Senior Notes
    News
  4. Ciena Announces Proposed Offering of Convertible Senior Notes
    News
  5. Ciena Reports Fiscal Second Quarter 2026 Financial Results
    Results
  6. Quarterly results release
    Results
  7. Ciena Reports Fiscal First Quarter 2026 Financial Results
    Results
  8. Quarterly results release
    Results
  9. Ciena Reports Fiscal Fourth Quarter 2025 and Year-End Financial Results
    Results
  10. Quarterly results release
    Results
  11. Ciena to Acquire Nubis Communications to Expand its Inside the
    News
  12. Ciena Reports Fiscal Third Quarter 2025 Financial Results
    Results
  13. Quarterly results release
    Results
  14. Ciena Appoints Marc D. Graff as Senior Vice President and Chief Financial Officer
    Update
  15. Ciena Reports Fiscal Second Quarter 2025 Financial Results
    Results