60. Phoenix Company common stock is currently selling for $20
per share. Security analysts at Smith Blarney have assigned the
following probability distribution to the price of (and rate of
return on) Phoenix stock one year from now:
Price |
Rate of Return |
Probability |
$16 |
–20% |
0.25 |
$20 |
0% |
0.30 |
$24 |
+20% |
0.25 |
$28 |
+40% |
0.20 |
Assuming that Phoenix is not expected to pay any dividends during the coming year, determine the coefficient of variation for the rate of return on Phoenix stock.
a. |
0.0 |
|
b. |
2.68 |
|
c. |
2.61 |
|
d. |
0.275 |
Ans : Coefficient of variation for the rate of return on Phoenix stock = b) 2.68
Step 1: Calculation of Expected Return & Standard Deviation of Stock
Price | Return (Rs) | Probability | Rs * Probability | Deviation (D) | D^2 | D^2 * Probability |
16 | -20% | 25% | -0.05 | -0.28 | 0.0784 | 0.01960 |
20 | 0% | 30% | 0.00 | -0.08 | 0.0064 | 0.00192 |
24 | 20% | 25% | 0.05 | 0.12 | 0.0144 | 0.00360 |
28 | 40% | 20% | 0.08 | 0.32 | 0.1024 | 0.02048 |
Total | 0.08 | Total | 0.0456 |
a. Calculation of Expected return of Stock
where Rs = Return of Stock
ER(s) = 0.08 or 8%
b. Calculation of Standard Deviation of Stock
where D = Rs - ER(S)
0.213542 or 21.3542%
Step 2: Calculation of Coefficient of variance (COV)
COV = 0.213542 / 0.08
COV = 2.67 (approx)
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