2. Suppose that you purchase 100 shares of GM stock at the beginning of year 1, and purchase another 100 shares at the end of year 1. | ||||||||
You sell all 200 shares at the end of year 2. Assume that the price of GM was $50 at the beginning of year 1, $55 at the end of year 1 | ||||||||
and $66 at the end of year 2. | ||||||||
What is the arithmetic mean time-weighted return? What is geometric mean time-weighted return? | ||||||||
What is the dollar weighted return? |
a. Rate
of Return year 1 =(Ending Price-Beginning Price+)/Beginning Price
=(55-50)/50 =10%
Rate of Return from Year 2 =(Ending Price-Beginning
Price)/Beginning Price =(66-55)/55 =20%
Arithmatic average rate of return =(10%+20%)/2
=15%
Geometric rate of return =((1+10%)*(1+20%)^(1/2)-1
=14.89%
b. Cash Flow in Year 0 =-100*50=-5000 (Purchase of 100
shares)
Cash flow in year 1 =-100*55=-5500 (Purchase of 100 shares)
Cash Flow in Year 2 =200*66 =13200(Sale of 200 shares)
Dollar Weighted Return using financial Calculator
CF0=-5000;CF1 =-5500;CF2=13200; CPT IRR =16.54%
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