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 12/30115% above fair value
$293.99−2.05 (-0.69%)
Close on Nov 12, 2026Market cap $41.69BP/E 65.6Yield –
Ciena enterprise value
Enterprise value is market cap plus debt, minus cash: the value of the whole business to all its investors.
Ciena's enterprise value was $42.61B on Nov 11, 2026, against $29.07B a year earlier. Over the last 5 years it ranged from $4.81B to $82.31B, with a median of $8.94B.
Enterprise Value at the end of each year
| Period | Period end | Value | Change |
|---|---|---|---|
| 2026 | Nov 11, 2026 | $42.61B | +28.3% |
| 2025 | Dec 31, 2025 | $33.21B | +168.0% |
| 2024 | Dec 31, 2024 | $12.39B | +78.1% |
| 2023 | Dec 29, 2023 | $6.96B | -7.0% |
| 2022 | Dec 30, 2022 | $7.49B | -31.9% |
| 2021 | Dec 31, 2021 | $10.99B | +44.4% |
| 2020 | Dec 31, 2020 | $7.61B | +21.5% |
| 2019 | Dec 31, 2019 | $6.26B | +24.7% |
| 2018 | Dec 31, 2018 | $5.02B | +89.1% |
| 2017 | Dec 29, 2017 | $2.66B | -21.3% |
| 2016 | Dec 30, 2016 | $3.38B | +7.1% |
| 2015 | Dec 31, 2015 | $3.15B | +20.1% |
| 2014 | Dec 31, 2014 | $2.62B | -18.6% |
| 2013 | Dec 31, 2013 | $3.22B | +263.3% |
| 2012 | Dec 31, 2012 | $886.95M | +39.2% |
| 2011 | Dec 30, 2011 | $637.13M | -50.7% |
| 2010 | Dec 31, 2010 | $1.29B | – |
| 2009 | Dec 31, 2009 | -$51.19M | – |
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