Ciena Corp (CIEN)
Pretax margin
| Oct 31, 2025 | Jul 31, 2025 | Apr 30, 2025 | Jan 31, 2025 | Nov 2, 2024 | Oct 31, 2024 | Jul 31, 2024 | Jul 27, 2024 | Apr 30, 2024 | Apr 27, 2024 | Jan 31, 2024 | Jan 27, 2024 | Oct 31, 2023 | Oct 28, 2023 | Jul 31, 2023 | Jul 29, 2023 | Apr 30, 2023 | Apr 29, 2023 | Jan 31, 2023 | Jan 28, 2023 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings before tax but after interest (EBT) (ttm) | US$ in thousands | 156,287 | 201,450 | 183,652 | 180,991 | 128,752 | 64,702 | 652 | 55,800 | 110,948 | 197,495 | 284,042 | 276,880 | 269,718 | 286,675 | 303,632 | 340,610 | 377,588 | 355,493 | 333,398 | 246,910 |
| Revenue (ttm) | US$ in thousands | 4,769,500 | 4,541,630 | 4,446,360 | 4,262,788 | 4,132,836 | 3,919,552 | 3,706,268 | 3,801,670 | 3,897,072 | 4,115,736 | 4,334,400 | 4,364,580 | 4,394,760 | 4,397,930 | 4,401,100 | 4,389,730 | 4,378,360 | 4,216,710 | 4,055,060 | 3,866,521 |
| Pretax margin | 3.28% | 4.44% | 4.13% | 4.25% | 3.12% | 1.65% | 0.02% | 1.47% | 2.85% | 4.80% | 6.55% | 6.34% | 6.14% | 6.52% | 6.90% | 7.76% | 8.62% | 8.43% | 8.22% | 6.39% |
October 31, 2025 calculation
Pretax margin = EBT (ttm) ÷ Revenue (ttm)
= $156,287K ÷ $4,769,500K
= 3.28%
Peer comparison
Oct 31, 2025
Company name
Symbol
Pretax margin
Ciena Corp
CIEN
3.28%
Digi International Inc
DGII
11.60%
Hewlett Packard Enterprise Co
HPE
-0.83%