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Arena Pharmaceuticals, Inc. (ARNA)

Equity · Currency in USD · Last updated May 21, 2022

Company Info

Trading Data

  • Previous Close$99.99
  • Year Range$45.80 - $99.99
  • EMA (50)$91.41
  • EMA (200)$77.31
  • Average Volume$1.49M
  • Market Capitalization$6.17B

ARNAShare Price Chart

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The chart shows the growth of $10,000 invested in Arena Pharmaceuticals, Inc. on Jan 5, 2010 and compares it to the S&P 500 index or another benchmark. It would be worth nearly $28,326 for a total return of roughly 183.26%. All prices are adjusted for splits and dividends.

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

ARNAReturns in periods

Returns over 1 year are annualized


ARNAMonthly Returns Heatmap

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ARNASharpe 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)

ARNADividend History

Arena Pharmaceuticals, Inc. doesn't pay dividends

ARNADrawdowns Chart

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

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

ARNAWorst 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 90.26%, recorded on May 17, 2017. The portfolio has not recovered from it yet.



To Bottom


To Recover



-90.26%Jul 11, 20121221May 17, 2017
-84.53%Aug 2, 2010182Apr 20, 2011288Jun 13, 2012470
-25.53%Jan 14, 201092May 26, 201026Jul 2, 2010118
-24.23%Jun 22, 20123Jun 26, 20129Jul 10, 201212
-9.59%Jul 6, 20101Jul 6, 20102Jul 8, 20103
-8.41%Jul 15, 20101Jul 15, 20101Jul 16, 20102
-4.55%Jan 11, 20102Jan 12, 20101Jan 13, 20103
-4.37%Jul 20, 20102Jul 21, 20101Jul 22, 20103
-2.57%Jul 9, 20102Jul 12, 20101Jul 13, 20103
-2.21%Jul 27, 20101Jul 27, 20102Jul 29, 20103

ARNAVolatility 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)

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