QUOTE(yklooi @ Feb 5 2015, 01:35 PM)
ROI of each fund.....Cost of purchase vs current cost of the fund
ROI of portfolio.....Total cost invested vs current cost available
Simple BUT not sure if that is correct...
QUOTE(Pink Spider @ Feb 5 2015, 01:38 PM)
If that's the case, comparing COST OF PURCHASE vs CURRENT VALUE; do you take into account "CASH RETURN ON SELLING"?Using extreme example where NAV price remains consistent throughout the tenure:
I buy RM1000 on 1/1/2015; current value at 1/1/2015= RM1000
and sold RM500 on 10/1/2015; current value at 10/1/2015= RM500
today as of 5/2/20-15; current value still RM500
based on above example, logically the ROI should be zero (we didnt earn or lose anything).
But if using your formula; COST OF PURCHASE vs CURRENT VALUE; I will get:
-RM1000 / RM500 = -200%, which is wrong.
if I use a modified variant CURRENT EARNINGS BASED ON CURRENT VALUE / (COST OF PURCHASE + CASH RETURN ON SELLING), I'll get 0 / (-RM1k + RM500) = 0%, which "looks" correct
Feb 5 2015, 05:11 PM

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