QUOTE(silverwave @ Jul 31 2020, 02:14 PM)
hi, i'm not sure if anyone notices this, let's say i've purchase share A twice and the amount is already averaged. If i sell some portions of this share, the weighted average doesn't change, is this normal in the app?
Correct. Selling doesn't change the average buy price.Buying changes it if you buy at different price.
Case 1: Buying at same price
Buying 100 units @ RM5 and another 100 units @ RM5, means your average price is RM5
Case 2: Buying at different prices
Buying 100 units @ RM5 and another 100 units @ RM6 means your average price is (500+600)/(100+100) = RM5.50
Now let's say from Case 2, you sell 50 units. Your average price is still the same because (500+600-5.50 X 50)/(100+100-50) = RM5.50
Jul 31 2020, 02:25 PM

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