Ciena Q2 revenue rises 40% to $1.57 billion; full-year revenue outlook raised to $6.3 billion
Ciena reported fiscal second quarter 2026 revenue of $1.57 billion, up 39.5% from a year earlier, and adjusted diluted EPS of $1.64 versus $0.42. The company raised its fiscal 2026 revenue guidance to $6.3 billion plus or minus $100 million and forecast fiscal third quarter revenue of $1.625 billion plus or minus $50 million, so the results and outlook both point higher for shareholders.
Key points
- Q2 fiscal 2026 revenue was $1.57 billion, compared with $1.13 billion in Q2 fiscal 2025.
- GAAP diluted EPS was $1.49 versus $0.06 a year earlier; adjusted diluted EPS was $1.64 versus $0.42.
- Fiscal 2026 revenue guidance raised to $6.3 billion plus or minus $100 million; fiscal Q3 revenue guidance is $1.625 billion plus or minus $50 million.
- Ciena repurchased about 0.2 million shares for $83.1 million under its $1 billion repurchase program during the quarter.
The filing
Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:30 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on June 04, 2026.
Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.