Ciena Corp (CIEN)

Return on total capital

Oct 31, 2025 Nov 2, 2024 Oct 31, 2024 Oct 31, 2023 Oct 28, 2023
Earnings before interest and tax (EBIT) US$ in thousands 247,148 166,617 216,878 411,679 411,679
Long-term debt US$ in thousands 1,533,070 1,543,410
Total stockholders’ equity US$ in thousands 2,729,320 2,816,140 2,816,140 2,848,360 2,848,360
Return on total capital 9.06% 3.83% 7.70% 14.45% 9.37%

October 31, 2025 calculation

Return on total capital = EBIT ÷ (Long-term debt + Total stockholders’ equity)
= $247,148K ÷ ($—K + $2,729,320K)
= 9.06%


Peer comparison

Oct 31, 2025

Company name
Symbol
Return on total capital
Ciena Corp
CIEN
9.06%
Digi International Inc
DGII
2.57%
Hewlett Packard Enterprise Co
HPE
-0.45%