• COSTCO WHSL CORP NEW 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: COST

  • Seasonal Performance Data: COST

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

    Returns %    		 0.30 -0.54 -0.31 0.27 3.10 3.45 -0.56 -5.06 0.46 11.69 0.80 1.41
    #Times COST Stock Price Increased 55 48 48 51 61 53 54 60 47 69 54 52
    #Times COST Stock Price Unchanged 1 0 3 0 0 2 0 1 1 1 0 0
    #Times COST Stock Price Decreased 45 48 59 52 45 52 50 51 54 40 49 53
    2008 % -2.61 -8.60 4.66 9.67 0.10 -1.64 — — — — — —
    2007 % 6.22 -0.47 -3.66 -0.49 5.41 3.63 2.19 3.26 -0.61 9.60 0.21 3.50
    2006 % 0.85 2.61 5.80 0.50 -2.75 8.01 -7.70 -11.31 6.18 7.45 -2.01 1.09
    2005 % -2.34 -1.43 -5.16 -8.03 11.69 -1.42 2.77 -5.58 -0.70 12.11 3.39 -0.95
    2004 % -0.64 5.20 -3.21 -0.28 1.07 8.65 -1.13 1.13 0.83 15.49 1.38 -0.38
    2003 % — — — — — — 1.07 -12.80 -3.40 13.80 1.04 3.80