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Arena Pharmaceuticals, Inc. (ARNA)

Equity · Currency in USD · Last updated Mar 18, 2023

Share Price Chart

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The chart shows the growth of $10,000 invested in Arena Pharmaceuticals, Inc. in Oct 2021 and compares it to the S&P 500 index or another benchmark. It would be worth nearly $4,000 for a total return of roughly -60.00%. All prices are adjusted for splits and dividends.

ARNA (Arena Pharmaceuticals, Inc.)
Benchmark (^GSPC)

S&P 500

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Arena Pharmaceuticals, Inc.


Arena Pharmaceuticals, Inc. had a return of 7.59% year-to-date (YTD) and 29.74% in the last 12 months. Over the past 10 years, Arena Pharmaceuticals, Inc. had an annualized return of 18.82%, outperforming the S&P 500 benchmark which had an annualized return of 11.52%.

1 month6.59%-5.56%
6 months68.36%-6.40%
1 year29.74%5.83%
5 years (annualized)47.80%12.03%
10 years (annualized)18.82%11.52%

Monthly Returns Heatmap


Sharpe Ratio Chart

The Sharpe ratio shows whether the portfolio's excess returns are due to smart investment decisions or a result of taking a higher risk. The higher a portfolio's Sharpe ratio, the better its risk-adjusted performance.

The current Arena Pharmaceuticals, Inc. Sharpe ratio is 0.33. A Sharpe ratio between 0 and 1.0 is considered sub-optimal.

The chart below displays rolling 12-month Sharpe Ratio.

ARNA (Arena Pharmaceuticals, Inc.)
Benchmark (^GSPC)

Dividend History

Arena Pharmaceuticals, Inc. doesn't pay dividends

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way.

ARNA (Arena Pharmaceuticals, Inc.)
Benchmark (^GSPC)

Worst Drawdowns

The table below shows the maximum drawdowns of the Arena Pharmaceuticals, Inc.. A maximum drawdown is an indicator of risk. It shows a reduction in portfolio value from its maximum due to a series of losing trades.

The maximum drawdown since January 2010 for the Arena Pharmaceuticals, Inc. is 97.51%, recorded on May 17, 2017. The portfolio has not recovered from it yet.



To Bottom


To Recover



-97.51%Sep 1, 20004200May 17, 2017
-17.92%Aug 9, 20005Aug 15, 20009Aug 28, 200014
-5.5%Jul 31, 20004Aug 3, 20002Aug 7, 20006

Volatility Chart

Current Arena Pharmaceuticals, Inc. volatility is 28.64%. The chart below shows the rolling 10-day volatility. Volatility is a statistical measure showing how big price swings are in either direction. The higher asset volatility, the riskier it is, because the price movements are less predictable.

ARNA (Arena Pharmaceuticals, Inc.)
Benchmark (^GSPC)