As of 2026-09-21, the Relative Valuation of Amphastar Pharmaceuticals Inc (AMPH) is 16.28 USD. This relative valuation is based on P/E multiples. With the latest stock price at 23.62 USD, the upside of Amphastar Pharmaceuticals Inc based on Relative Valuation is -31.1%.
The range of the Relative Valuation is 11.58 - 23.70 USD.
| Range | Selected | |
| Trailing P/E multiples | 6.5x - 7.7x | 7.1x |
| Forward P/E multiples | 7.0x - 10.3x | 8.6x |
| Fair Price | 11.58 - 23.70 | 16.28 |
| Upside | -51.0% - 0.3% | -31.1% |
| Date | P/E |
| 2026-09-18 | 13.26 |
| 2026-09-17 | 13.37 |
| 2026-09-16 | 13.44 |
| 2026-09-15 | 13.27 |
| 2026-09-14 | 13.42 |
| 2026-09-11 | 13.35 |
| 2026-09-10 | 13.21 |
| 2026-09-09 | 12.93 |
| 2026-09-08 | 12.87 |
| 2026-09-04 | 13.01 |
| 2026-09-03 | 13.38 |
| 2026-09-02 | 13.33 |
| 2026-09-01 | 12.89 |
| 2026-08-31 | 12.65 |
| 2026-08-28 | 12.35 |
| 2026-08-27 | 12.28 |
| 2026-08-26 | 12.36 |
| 2026-08-25 | 12.34 |
| 2026-08-24 | 12.08 |
| 2026-08-21 | 12.12 |
| 2026-08-20 | 12.17 |
| 2026-08-19 | 12.20 |
| 2026-08-18 | 11.98 |
| 2026-08-17 | 11.71 |
| 2026-08-14 | 11.74 |
| 2026-08-13 | 11.33 |
| 2026-08-12 | 11.22 |
| 2026-08-11 | 11.46 |
| 2026-08-10 | 11.40 |
| 2026-08-07 | 11.66 |
| 2026-08-06 | 11.12 |
| 2026-08-05 | 11.36 |
| 2026-08-04 | 11.17 |
| 2026-08-03 | 11.35 |
| 2026-07-31 | 11.19 |
| 2026-07-30 | 11.44 |
| 2026-07-29 | 11.55 |
| 2026-07-28 | 11.31 |
| 2026-07-27 | 10.77 |
| 2026-07-24 | 10.51 |
| 2026-07-23 | 10.59 |
| 2026-07-22 | 10.83 |
| 2026-07-21 | 11.00 |
| 2026-07-20 | 11.02 |
| 2026-07-17 | 11.08 |
| 2026-07-16 | 11.15 |
| 2026-07-15 | 10.89 |
| 2026-07-14 | 10.56 |
| 2026-07-13 | 10.83 |
| 2026-07-10 | 10.51 |