The Graham Number of Ciena Corporation (CIEN) is 19.41.
Graham Number estimates the fair value of a stock using both earnings and book value per share. It is commonly used by value investors to identify undervalued stocks.
| Date | Value |
|---|---|
| 2025-11-01 | 19.41 |
| 2024-11-02 | 16.26 |
| 2023-10-28 | 28.50 |
| 2022-10-29 | 21.54 |
| 2021-10-30 | 41.11 |
| 2020-10-31 | 31.85 |
| 2019-10-31 | 24.82 |
| 2018-10-31 | 15.50 |
| 2017-10-31 | 54.92 |
| 2016-10-31 | 7.89 |