Amarin Corporation plc (AMRN)

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The chart shows the growth of an initial investment of $10,000 in Amarin Corporation plc, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

Amarin Corporation plc (AMRN) has returned 3.62% so far this year and 61.35% over the past 12 months. Over the last ten years, AMRN has returned -7.52% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.

Based on dividend-adjusted daily data since Apr 5, 1993, AMRN's average daily return is +0.12%, while the average monthly return is +2.58%. At this rate, your investment would double in approximately 2.3 years.

Historically, 43% of months were positive and 57% were negative. The best month was Sep 2018 with a return of +414.9%, while the worst month was Jun 1998 at -75.3%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 7 months.

On a daily basis, AMRN closed higher 42% of trading days. The best single day was Sep 24, 2018 with a return of +314.7%, while the worst single day was Apr 25, 2007 at -79.6%.

Amarin Corporation plc has an annualized alpha of 28.64%, beta of 0.63, and R² of 0.01 versus S&P 500 Index. Calculated based on daily prices since April 06, 1993.

• This stock participated in 151.66% of S&P 500 Index downside but only 29.29% of its upside — more exposed to losses than it benefited from rallies.
• Beta of 0.63 may look defensive, but with R² of 0.01 this stock is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this stock's risk.
• R² of 0.01 means this stock moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

AMRN ranks 75 for risk / return — better than 75% of stocks on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.

The table below present risk-adjusted performance metrics for Amarin Corporation plc (AMRN) and compare them to a chosen benchmark (S&P 500 Index).

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the Amarin Corporation plc. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Amarin Corporation plc was 99.97%, occurring on Mar 12, 2025. The portfolio has not yet recovered.

The current Amarin Corporation plc drawdown is 99.95%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of Amarin Corporation plc over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.

The Valuation section provides an overview of how Amarin Corporation plc is priced in the market compared to other companies in the Biotechnology industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.