The Graham Number of IDT Corporation (IDT) is 34.51.
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 |
|---|---|
| 2026-07-31 | 34.51 |
| 2025-07-31 | 29.09 |
| 2024-07-31 | 24.04 |
| 2023-07-31 | 16.91 |
| 2022-07-31 | 12.84 |
| 2021-07-31 | 24.08 |
| 2020-07-31 | 7.64 |
| 2019-07-31 | 0.45 |
| 2018-07-31 | 2.17 |
| 2017-07-31 | 6.60 |