1.Sales and profit
See section →- Ciena had $4.8B of revenue in fiscal 2025, up 18.8% on the year before. Over five years, revenue changed +6.2% a year on average.
- Its operating margin was 4.1%, down 0.0 pts: of every 100 in sales, about 4 is left after running the business.
- Ciena made $123M of net profit in fiscal 2025. From fiscal 2016 to 2025, diluted EPS grew 5.8% a year.




