how to calculate average price

  1. 98 Posts.
    Good morning all, Can someone please explain to me how to calculate my average stock price on a stock I have 4 parcels of?
    Parcels are as follows:
    4700 @ $1.05
    9000 @ 1.1253
    1250 @ 0.785
    4500 @ 0.85

    I have calculated it @ $1.02, yet in my portfolio list it has been calculated a being 0.83?????
    Cheers in advance,
    Kingo.
 
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