Closing Stock Priceswhich provides data for IBM stock over a 1-month period complete in Excel

Forecast IBM stock prices using 2-period moving average

Forecast IBM stock prices using exponential smoothing with = 0.3

Calculate MAE, MSE and MAPE for both 2-period moving average and exponential smoothing with = 0.3

Using MAE, MSE, MAPE as guidance, which forecasting approach is better in this case?

Closing Stock Prices

Date IBM

9/3/2010 $127.58

9/7/2010 $125.95

9/8/2010 $126.08

9/9/2010 $126.36

9/10/2010 $127.99

9/13/2010 $129.61

9/14/2010 $128.85

9/15/2010 $129.43

9/16/2010 $129.67

9/17/2010 $130.19

9/20/2010 $131.79

9/21/2010 $131.98

9/22/2010 $132.57

9/23/2010 $131.67

9/24/2010 $134.11

9/27/2010 $134.65

9/28/2010 $134.89

9/29/2010 $135.48

9/30/2010 $134.14

10/1/2010 $135.64