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 r&d expenses
Research and development expenses are spending on new products and technology.
Ciena's R&D Expenses for the twelve months ending Aug 1, 2026 was $924.94M, up 13.4% year over year. For fiscal 2025 it was $848.33M, up 10.5% from the year before. Over ten years it grew 7.4% a year on average. The highest annual figure on record is $848.33M in fiscal 2025.
Annual r&d expenses
| Period | Period end | Value | Change |
|---|---|---|---|
| FY2025 | Nov 1, 2025 | $848.33M | +10.5% |
| FY2024 | Nov 2, 2024 | $767.50M | +2.3% |
| FY2023 | Oct 28, 2023 | $750.56M | +20.2% |
| FY2022 | Oct 29, 2022 | $624.66M | +16.4% |
| FY2021 | Oct 30, 2021 | $536.67M | +1.3% |
| FY2020 | Oct 31, 2020 | $529.89M | -3.3% |
| FY2019 | Nov 2, 2019 | $548.14M | +11.5% |
| FY2018 | Oct 31, 2018 | $491.56M | +3.4% |
| FY2017 | Oct 31, 2017 | $475.33M | +5.2% |
| FY2016 | Oct 31, 2016 | $451.79M | +9.1% |
| FY2015 | Oct 31, 2015 | $414.20M | +3.2% |
| FY2014 | Oct 31, 2014 | $401.18M | +4.6% |
| FY2013 | Oct 31, 2013 | $383.41M | +5.3% |
| FY2012 | Oct 31, 2012 | $364.18M | -4.1% |
| FY2011 | Oct 31, 2011 | $379.86M | +15.9% |
| FY2010 | Oct 31, 2010 | $327.63M | +72.1% |
| FY2009 | Oct 31, 2009 | $190.32M | +8.7% |
| FY2008 | Oct 31, 2008 | $175.02M | – |
Quarterly r&d expenses
Change is against the same quarter a year earlier.
Periods
| Period | Period end | Value | Change |
|---|---|---|---|
| Q3 FY2026CQ2 2026 | Aug 1, 2026 | $236.67M | +11.7% |
| Q2 FY2026CQ1 2026 | May 2, 2026 | $237.91M | +10.7% |
| Q1 FY2026CQ4 2025 | Jan 31, 2026 | $221.46M | +14.9% |
| Q4 FY2025CQ3 2025 | Nov 1, 2025 | $228.90M | +16.8% |
| Q3 FY2025CQ2 2025 | Aug 2, 2025 | $211.90M | +12.2% |
| Q2 FY2025CQ1 2025 | May 3, 2025 | $214.87M | +10.0% |
| Q1 FY2025CQ4 2024 | Feb 1, 2025 | $192.66M | +2.9% |
| Q4 FY2024CQ3 2024 | Nov 2, 2024 | $195.96M | +3.4% |
| Q3 FY2024CQ2 2024 | Jul 27, 2024 | $188.89M | -0.3% |
| Q2 FY2024CQ1 2024 | Apr 27, 2024 | $195.38M | +2.8% |
| Q1 FY2024CQ4 2023 | Jan 27, 2024 | $187.27M | +3.0% |
| Q4 FY2023CQ3 2023 | Oct 28, 2023 | $189.44M | +13.5% |
| Q3 FY2023CQ2 2023 | Jul 29, 2023 | $189.39M | +26.2% |
| Q2 FY2023CQ1 2023 | Apr 29, 2023 | $189.99M | +19.2% |
| Q1 FY2023CQ4 2022 | Jan 28, 2023 | $181.73M | +22.5% |
| Q4 FY2022CQ3 2022 | Oct 29, 2022 | $166.90M | +13.2% |
| Q3 FY2022CQ2 2022 | Jul 30, 2022 | $150.03M | +2.6% |
| Q2 FY2022CQ1 2022 | Apr 30, 2022 | $159.32M | +44.5% |
| Q1 FY2022CQ4 2021 | Jan 29, 2022 | $148.41M | +11.8% |
| Q4 FY2021CQ3 2021 | Oct 30, 2021 | $147.45M | +7.4% |
| Q3 FY2021CQ2 2021 | Jul 31, 2021 | $146.23M | +12.3% |
| Q2 FY2021CQ1 2021 | May 1, 2021 | $110.25M | -16.2% |
| Q1 FY2021CQ4 2020 | Jan 30, 2021 | $132.74M | +1.4% |
| Q4 FY2020CQ3 2020 | Oct 31, 2020 | $137.24M | -3.1% |
| Q3 FY2020CQ2 2020 | Aug 1, 2020 | $130.22M | -6.9% |
| Q2 FY2020CQ1 2020 | May 2, 2020 | $131.53M | -4.7% |
| Q1 FY2020CQ4 2019 | Jan 31, 2020 | $130.90M | +1.8% |
| Q4 FY2019CQ3 2019 | Nov 2, 2019 | $141.66M | +4.9% |
| Q3 FY2019CQ2 2019 | Jul 31, 2019 | $139.88M | +15.5% |
| Q2 FY2019CQ1 2019 | Apr 30, 2019 | $137.97M | +18.0% |
| Q1 FY2019CQ4 2018 | Jan 31, 2019 | $128.63M | +8.5% |
| Q4 FY2018CQ3 2018 | Oct 31, 2018 | $134.98M | +13.3% |
| Q3 FY2018CQ2 2018 | Jul 31, 2018 | $121.13M | +2.9% |
| Q2 FY2018CQ1 2018 | Apr 30, 2018 | $116.92M | -3.9% |
| Q1 FY2018CQ4 2017 | Jan 31, 2018 | $118.52M | +1.4% |
| Q4 FY2017CQ3 2017 | Oct 31, 2017 | $119.11M | +5.9% |
| Q3 FY2017CQ2 2017 | Jul 31, 2017 | $117.73M | – |
| Q2 FY2017CQ1 2017 | Apr 30, 2017 | $121.62M | – |
| Q1 FY2017CQ4 2016 | Jan 31, 2017 | $116.87M | – |
| Q4 FY2016CQ3 2016 | Oct 31, 2016 | $112.45M | – |
See a number that looks wrong?