Ciena Corp (CIEN) stock
CIENNYSETelephone & Telegraph ApparatusFiscal year ends October 31
Financials through Q3 FY2026, quarter ended Aug 1, 2026Last filing: 10-Q on Sep 3, 2026Score 12/30105% above fair value
$280.54−13.45 (-4.57%)
Close on Nov 13, 2026Market cap $39.78BP/E 62.6Yield –
Ciena total debt
Total debt is short-term plus long-term borrowings on the balance sheet at the end of each period.
Ciena's total debt was $3.23B at Aug 1, 2026. For fiscal 2025 it was $1.54B, down 0.6% from the year before. Over ten years it grew 1.9% a year on average. The highest annual figure on record is $1.56B in fiscal 2023.
Annual total debt
| Period | Period end | Value | Change |
|---|---|---|---|
| FY2025 | Nov 1, 2025 | $1.54B | -0.6% |
| FY2024 | Nov 2, 2024 | $1.54B | -0.7% |
| FY2023 | Oct 28, 2023 | $1.56B | +45.6% |
| FY2022 | Oct 29, 2022 | $1.07B | +57.7% |
| FY2021 | Oct 30, 2021 | $677.29M | -0.9% |
| FY2020 | Oct 31, 2020 | $683.29M | -0.6% |
| FY2019 | Nov 2, 2019 | $687.41M | +0.1% |
| FY2018 | Oct 31, 2018 | $686.45M | +17.6% |
| FY2017 | Oct 31, 2017 | $583.69M | -42.6% |
| FY2016 | Oct 31, 2016 | $1.02B | -20.0% |
| FY2015 | Oct 31, 2015 | $1.27B | -0.2% |
| FY2014 | Oct 31, 2014 | $1.27B | +5.2% |
| FY2013 | Oct 31, 2013 | $1.21B | – |
Quarterly total debt
Change is against the same quarter a year earlier.
Periods
| Period | Period end | Value | Change |
|---|---|---|---|
| Q3 FY2026CQ2 2026 | Aug 1, 2026 | $3.23B | +110.0% |
| Q2 FY2026CQ1 2026 | May 2, 2026 | $1.53B | -0.6% |
| Q1 FY2026CQ4 2025 | Jan 31, 2026 | $1.54B | -0.4% |
| Q4 FY2025CQ3 2025 | Nov 1, 2025 | $1.54B | -0.6% |
| Q3 FY2025CQ2 2025 | Aug 2, 2025 | $1.54B | -0.8% |
| Q2 FY2025CQ1 2025 | May 3, 2025 | $1.54B | -0.8% |
| Q1 FY2025CQ4 2024 | Feb 1, 2025 | $1.54B | -0.8% |
| Q4 FY2024CQ3 2024 | Nov 2, 2024 | $1.54B | -0.7% |
| Q3 FY2024CQ2 2024 | Jul 27, 2024 | $1.55B | -0.4% |
| Q2 FY2024CQ1 2024 | Apr 27, 2024 | $1.55B | -0.4% |
| Q1 FY2024CQ4 2023 | Jan 27, 2024 | $1.55B | -0.3% |
| Q4 FY2023CQ3 2023 | Oct 28, 2023 | $1.56B | +45.6% |
| Q3 FY2023CQ2 2023 | Jul 29, 2023 | $1.56B | +129.7% |
| Q2 FY2023CQ1 2023 | Apr 29, 2023 | $1.56B | +128.1% |
| Q1 FY2023CQ4 2022 | Jan 28, 2023 | $1.56B | +126.9% |
| Q4 FY2022CQ3 2022 | Oct 29, 2022 | $1.07B | +55.6% |
| Q4 FY2021CQ3 2021 | Oct 30, 2021 | $677.29M | +16.0% |
| Q4 FY2020CQ3 2020 | Oct 31, 2020 | $683.29M | -32.8% |
| Q4 FY2019CQ3 2019 | Nov 2, 2019 | $687.41M | – |
| Q4 FY2018CQ3 2018 | Oct 31, 2018 | $686.45M | – |
| Q4 FY2017CQ3 2017 | Oct 31, 2017 | $583.69M | – |
| Q4 FY2016CQ3 2016 | Oct 31, 2016 | $1.02B | – |
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