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  • ALEXION PHARMACEUTICALS INC Average Monthly Returns

Some investors consider seasonal performance when purchasing or selling stocks. This chart illustrates the average monthly return for the past 5 years. Users often also consider the number of times a stock increases or decreases for any given month. Mouse-over the chart to view 5 years of history for each month.

  • Seasonality Performance Chart: ALXN

  • Seasonal Performance Data: ALXN

    Returns Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Avg.

    Returns %    		 6.47 -0.08 2.35 -0.81 6.40 3.87 14.74 4.34 -3.84 5.96 -3.89 5.96
    #Times ALXN Stock Price Increased 49 47 48 48 58 57 52 54 45 60 47 55
    #Times ALXN Stock Price Unchanged 0 0 2 1 0 1 0 1 2 0 1 1
    #Times ALXN Stock Price Decreased 52 49 59 54 48 50 53 56 55 50 55 49
    2009 % 1.88 -7.23 10.12 -11.25 9.22 12.63 7.15 2.45 -1.30 -0.28 — —
    2008 % -12.93 -6.64 -2.74 18.68 1.38 1.61 29.31 -3.82 -12.81 3.69 -17.39 7.52
    2007 % 2.92 -11.32 17.31 -3.18 16.03 -7.22 29.07 3.97 7.74 17.42 -4.93 3.18
    2006 % 42.32 30.40 -5.74 -4.03 -4.34 11.07 -4.84 9.28 -9.50 9.95 15.69 -6.54
    2005 % -1.82 -5.61 -7.21 -4.26 9.69 1.27 13.02 9.83 -3.31 -0.97 -28.73 3.79
    2004 % — — — — — — — — — — 15.89 21.86