Ciena Corp (CIEN)

Return on total capital

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 interest and tax (EBIT) (ttm) US$ in thousands 245,690 280,060 264,446 264,489 199,720 148,342 83,163 137,686 206,222 293,115 380,008 373,130 366,252 382,891 399,530 428,318 457,106 424,897 392,688 302,972
Long-term debt US$ in thousands 1,533,070 1,538,320 1,540,640 1,543,120 1,543,410 1,543,900 1,546,400 1,547,500
Total stockholders’ equity US$ in thousands 2,729,320 2,787,300 2,776,380 2,793,380 2,816,140 2,816,140 2,890,870 2,890,870 2,880,260 2,880,260 2,923,500 2,923,500 2,848,360 2,848,360 2,947,010 2,947,010 2,908,650 2,908,650 2,838,300 2,838,300
Return on total capital 9.00% 10.05% 9.52% 9.47% 4.59% 5.27% 2.88% 3.11% 7.16% 6.63% 13.00% 8.35% 12.86% 8.72% 13.56% 9.54% 15.72% 9.54% 13.84% 6.91%

October 31, 2025 calculation

Return on total capital = EBIT (ttm) ÷ (Long-term debt + Total stockholders’ equity)
= $245,690K ÷ ($—K + $2,729,320K)
= 9.00%


Peer comparison

Oct 31, 2025

Company name
Symbol
Return on total capital
Ciena Corp
CIEN
9.00%
Digi International Inc
DGII
7.25%
Hewlett Packard Enterprise Co
HPE
-0.45%