
Amphastar Pharma (AMPH) P/E Ratio
P/E Ratio as of Nov 24, 2025: 11.84
Average10.58
Median11.24
Minimum9.00
Maximum12.34
11.84
2.66 (28.98%)past month
The P/E ratio for Amphastar Pharma (AMPH) is 11.84 as of Nov 24, 2025. This represents a increase of 17.46% compared to its 12-month average P/E ratio of 10.08. A higher P/E ratio suggests that investors expect strong future earnings growth, while a lower P/E ratio may indicate a potentially undervalued stock or slowing growth.
Amphastar Pharma P/E Ratio Formula = Stock Price ÷ Earnings Per Share (EPS)
Amphastar Pharma’s P/E ratio represents the valuation of the company based on its earnings. It’s calculated by dividing the company’s latest stock price by its diluted earnings per share (EPS) over the past 12 months. The P/E ratio helps investors assess how much they are paying for each dollar of earnings, offering valuable insights when comparing Amphastar Pharma to industry peers.
Amphastar Pharma P/E Ratio Formula = Stock Price ÷ Earnings Per Share (EPS)
Amphastar Pharma’s P/E ratio represents the valuation of the company based on its earnings. It’s calculated by dividing the company’s latest stock price by its diluted earnings per share (EPS) over the past 12 months. The P/E ratio helps investors assess how much they are paying for each dollar of earnings, offering valuable insights when comparing Amphastar Pharma to industry peers.
Amphastar Pharma (AMPH) P/E Ratio Insights
See Amphastar Pharma’s latest P/E ratio, historical trends, and valuation insights with AI-powered fundamental data and custom analysis.
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Amphastar Pharma (AMPH) P/E Ratio Historic Data
| Date | Stock price | P/E ratio |
|---|---|---|
| Nov 3, 2025 | $25.30 | 9.47 |
| Oct 1, 2025 | $26.99 | 10.10 |
| Sep 2, 2025 | $30.81 | 11.54 |
| Aug 1, 2025 | $21.21 | 7.70 |
| Jul 1, 2025 | $23.34 | 8.47 |
| Jun 2, 2025 | $25.38 | 9.21 |
| May 1, 2025 | $23.88 | 7.80 |
| Apr 1, 2025 | $28.29 | 9.24 |
| Mar 3, 2025 | $27.52 | 8.98 |
| Feb 3, 2025 | $33.39 | 11.11 |
| Jan 2, 2025 | $36.36 | 12.10 |
Amphastar Pharma (AMPH) End of Year P/E Ratio
| Date | P/E ratio | Change |
|---|---|---|
| 2025 | 11.84 | -4.13% |
| 2024 | 12.35 | -48.86% |
| 2023 | 24.15 | +28.25% |
| 2022 | 18.83 | +0.59% |
| 2021 | 18.72 | -97.74% |
| 2020 | 827.57 | — |
FAQs About Amphastar Pharma (AMPH) P/E ratio
The latest P/E ratio of Amphastar Pharma (AMPH) is 11.84, as of Nov 24, 2025. This is calculated based on its current stock price and earnings per share (EPS).
Amphastar Pharma’s last 12-month average P/E ratio is 10.08, compared to its current P/E ratio of 11.84. This reflects a increase of 17.46%.
Amphastar Pharma’s current P/E ratio of 11.84 is higher than its last 12-month average P/E of 10.08. A higher P/E can indicate strong future growth expectations, while a lower P/E might suggest undervaluation.
Amphastar Pharma’s average P/E ratio over the last 3 years is 16.4. Comparing this to the current P/E helps assess recent valuation trends and whether the stock is trading above or below its mid-term historical range.
Amphastar Pharma’s average P/E ratio over the last 5 years is 81.26. A deviation from this historical average may indicate shifts in growth expectations, profitability, or broader market conditions affecting valuation.