Achillion Pharmaceuticals (ACHN) P/E Ratio
P/E Ratio as of Dec 24, 2025: -55.29
Average-37.30
Median-35.18
Minimum-55.29
Maximum-34.07
-55.29
21.22 (62.28%)past month
The P/E ratio for Achillion Pharmaceuticals (ACHN) is -55.29 as of Dec 24, 2025. This represents a increase of 56.50% compared to its 12-month average P/E ratio of -35.33. 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.
Achillion Pharmaceuticals P/E Ratio Formula = Stock Price ÷ Earnings Per Share (EPS)
Achillion Pharmaceuticals’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 Achillion Pharmaceuticals to industry peers.
Achillion Pharmaceuticals P/E Ratio Formula = Stock Price ÷ Earnings Per Share (EPS)
Achillion Pharmaceuticals’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 Achillion Pharmaceuticals to industry peers.
Achillion Pharmaceuticals (ACHN) P/E Ratio Insights
See Achillion Pharmaceuticals’s latest P/E ratio, historical trends, and valuation insights with AI-powered fundamental data and custom analysis.
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Achillion Pharmaceuticals (ACHN) P/E Ratio Historic Data
| Date | Stock price | P/E ratio |
|---|---|---|
| Dec 1, 2025 | — | -34.07 |
| Nov 3, 2025 | $1.00 | -46.95 |
| Oct 1, 2025 | — | -44.32 |
| Sep 2, 2025 | $0.69 | -32.39 |
| Aug 1, 2025 | — | -25 |
| Jul 1, 2025 | — | -25.42 |
| Jun 2, 2025 | — | -22.39 |
| May 1, 2025 | — | -36.87 |
| Apr 1, 2025 | — | -36.87 |
| Mar 3, 2025 | — | -37.24 |
| Feb 3, 2025 | — | -41.25 |
| Jan 2, 2025 | — | -41.25 |
Achillion Pharmaceuticals (ACHN) End of Year P/E Ratio
| Date | P/E ratio | Change |
|---|---|---|
| 2025 | -55.29 | +34.04% |
| 2024 | -41.25 | -87.86% |
| 2023 | -339.65 | — |
FAQs About Achillion Pharmaceuticals (ACHN) P/E ratio
The latest P/E ratio of Achillion Pharmaceuticals (ACHN) is -55.29, as of Dec 24, 2025. This is calculated based on its current stock price and earnings per share (EPS).
Achillion Pharmaceuticals’s last 12-month average P/E ratio is -35.33, compared to its current P/E ratio of -55.29. This reflects a increase of 56.50%.
Achillion Pharmaceuticals’s current P/E ratio of -55.29 is higher than its last 12-month average P/E of -35.33. A higher P/E can indicate strong future growth expectations, while a lower P/E might suggest undervaluation.
Achillion Pharmaceuticals’s average P/E ratio over the last 3 years is -168.12. 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.
Achillion Pharmaceuticals’s average P/E ratio over the last 5 years is -100.87. A deviation from this historical average may indicate shifts in growth expectations, profitability, or broader market conditions affecting valuation.