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 EV/EBITDA

EV/EBITDA is enterprise value divided by EBITDA over the trailing twelve months.

Ciena's EV/EBITDA was 57.7× on Nov 11, 2026, against 118.1× a year earlier. Over the last 5 years it ranged from 12.9× to 268.8×, with a median of 33.6×.

EV/EBITDA at the end of each year

Period	Period end	Value	Change (pts)
2026	Nov 11, 2026	57.7×	−110.5
2025	Dec 31, 2025	168.1×	+93.7
2024	Dec 31, 2024	74.4×	+54.9
2023	Dec 29, 2023	19.5×	−14.1
2022	Dec 30, 2022	33.6×	+11.4
2021	Dec 31, 2021	22.2×	+6.6
2020	Dec 31, 2020	15.6×	−2.4
2019	Dec 31, 2019	18.1×	−3.8
2018	Dec 31, 2018	21.9×	+9.5
2017	Dec 29, 2017	12.4×	−9.2
2016	Dec 30, 2016	21.6×	−9.8
2015	Dec 31, 2015	31.4×	−26.0
2014	Dec 31, 2014	57.4×	+21.2
2009	Nov 30, 2009	36.3×	–