As of 2025-09-18, the EV/EBITDA ratio of Ciena Corp (CIEN) is 46.57. EV/EBITDA ratio is calculated by dividing the enterprise value by the TTM EBITDA. Ciena's latest enterprise value is 19,762.11 mil USD. Ciena's TTM EBITDA according to its financial statements is 424.36 mil USD. Dividing these 2 quantities gives us the above Ciena EV/EBITDA ratio.
| Range | Selected | |
| Trailing P/E multiples | 16.4x - 26.5x | 20.8x |
| Forward P/E multiples | 23.7x - 43.1x | 31.8x |
| Fair Price | 45.88 - 118.98 | 73.05 |
| Upside | -66.4% - -12.8% | -46.4% |
| Date | EV/EBITDA |
| 2025-09-17 | 46.57 |
| 2025-09-16 | 46.94 |
| 2025-09-15 | 46.41 |
| 2025-09-12 | 44.87 |
| 2025-09-11 | 45.28 |
| 2025-09-10 | 44.40 |
| 2025-09-09 | 41.84 |
| 2025-09-08 | 40.78 |
| 2025-09-05 | 40.01 |
| 2025-09-04 | 40.09 |
| 2025-09-03 | 32.72 |
| 2025-09-02 | 32.31 |
| 2025-08-29 | 32.44 |
| 2025-08-28 | 33.75 |
| 2025-08-27 | 32.03 |
| 2025-08-26 | 31.61 |
| 2025-08-25 | 31.36 |
| 2025-08-22 | 31.05 |
| 2025-08-21 | 30.24 |
| 2025-08-20 | 30.00 |
| 2025-08-19 | 30.71 |
| 2025-08-18 | 31.76 |
| 2025-08-15 | 31.41 |
| 2025-08-14 | 31.59 |
| 2025-08-13 | 32.67 |
| 2025-08-12 | 33.25 |
| 2025-08-11 | 32.24 |
| 2025-08-08 | 32.80 |
| 2025-08-07 | 32.84 |
| 2025-08-06 | 32.55 |
| 2025-08-05 | 31.61 |
| 2025-08-04 | 32.01 |
| 2025-08-01 | 30.66 |
| 2025-07-31 | 32.06 |
| 2025-07-30 | 32.10 |
| 2025-07-29 | 31.47 |
| 2025-07-28 | 31.30 |
| 2025-07-25 | 30.65 |
| 2025-07-24 | 30.18 |
| 2025-07-23 | 30.04 |
| 2025-07-22 | 29.24 |
| 2025-07-21 | 29.61 |
| 2025-07-18 | 29.45 |
| 2025-07-17 | 29.39 |
| 2025-07-16 | 29.16 |
| 2025-07-15 | 28.66 |
| 2025-07-14 | 28.26 |
| 2025-07-11 | 27.04 |
| 2025-07-10 | 27.27 |
| 2025-07-09 | 27.56 |