Problem 8-3 Simple Moving Averages (LO4, CFA1)
The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the simple three-month moving average for each month for both companies. (Input all amounts as positive values. Do not round intermediate calculations. Round your answers to 2 decimal places.)
IBM | AMZN | ||||||
January | $ | 174.44 | $ | 611.96 | |||
February | 176.49 | 622.04 | |||||
March | 190.21 | 575.48 | |||||
April | 206.45 | 547.30 | |||||
May | 192.85 | 512.38 | |||||
June | 208.17 | 496.78 | |||||
July | 233.16 | 606.09 | |||||
August | 205.39 | 537.36 | |||||
September | 220.07 | 512.96 | |||||
October | 214.47 | 600.72 | |||||
November | 195.89 | 592.43 | |||||
December | 175.34 | 654.70 | |||||
IBM AMZN
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