In: Finance
Using the data shown in the table here,
, that contains historical monthly prices and dividends (paid at the end of the month) for Ford Motor Company stock (Ticker: F) from August 1994 to August 1998, compute the:
a. Average monthly return over this period.
b. Monthly volatility (or standard deviation) over this period.
c. 95% confidence interval of the estimate of the average monthly return.
Here is the data set
Date Stock Price Dividend
Return ( % ) 1+Rt
Aug-94 29.250 0.000
Sep-94 27.750 0.000
-5.13 0.949
Oct-94 29.500 0.260
7.24 1.072
Nov-94 27.125 0.000
-8.05 0.919
Dec-94 27.875 0.000
2.76 1.028
Jan-95 25.250 0.260
-8.48 0.915
Feb-95 26.125 0.000
3.47 1.035
Mar-95 26.875 0.000
2.87 1.029
Apr-95 27.125 0.310
2.08 1.021
May-95 29.250 0.000
7.83 1.078
Jun-95 29.750 0.000
1.71 1.017
Jul-95 29.000 0.310
-1.48 0.985
Aug-95 30.750 0.000
6.03 1.060
Sep-95 31.125 0.000
1.22 1.012
Oct-95 28.750 0.350
-6.51 0.935
Nov-95 28.250 0.000
-1.74 0.983
Dec-95 28.875 0.000
2.21 1.022
Jan-96 29.500 0.350
3.38 1.034
Feb-96 31.250 0.000
5.93 1.059
Mar-96 34.375 0.000
10.00 1.100
Apr-96 35.875 0.350
5.38 1.054
May-96 36.500 0.000
1.74 1.017
Jun-96 32.375 0.000
-11.30 0.887
Jul-96 32.375 0.385
1.19 1.012
Aug-96 33.500 0.000
3.47 1.035
Sep-96 31.250 0.000
-6.72 0.933
Oct-96 31.250 0.385
1.23 1.012
Nov-96 32.750 0.000
4.80 1.048
Dec-96 32.250 0.000
-1.53 0.985
Jan-97 32.125 0.385
0.81 1.008
Feb-97 32.875 0.000
2.33 1.023
Mar-97 31.375 0.000
-4.56 0.954
Apr-97 34.750 0.420
12.10 1.121
May-97 37.500 0.000
7.91 1.079
Jun-97 38.000 0.000
1.33 1.013
Jul-97 40.875 0.420
8.67 1.087
Aug-97 43.000 0.000
5.20 1.052
Sep-97 45.125 0.000
4.94 1.049
Oct-97 43.688 0.420
-2.25 0.977
Nov-97 43.000 0.000
-1.57 0.984
Dec-97 48.563 0.000
12.94 1.129
Jan-98 51.000 0.420
5.88 1.059
Feb-98 56.563 0.000
10.91 1.109
Mar-98 64.813 0.000
14.59 1.146
Apr-98 45.813 23.680
7.22 1.072
May-98 51.875 0.000
13.23 1.132
Jun-98 59.000 0.000
13.73 1.137
Jul-98 57.000 0.420
-2.68 0.973
Aug-98 44.625 0.000
-21.71 0.783
Q=(stock price +dividend)*return % | P=Q-mean | P^2 | |||||||
Date | Stock Price | dividend | return % | ||||||
Aug-94 | 29.25 | 0 | |||||||
Sep-94 | 27.75 | 0 | -5.13 | -1.423575 | -2.585875 | 6.68674952 | |||
Oct-94 | 29.5 | 0.26 | 7.24 | 2.154624 | 0.992324 | 0.98470692 | |||
Nov-94 | 27.125 | 0 | -8.05 | -2.1835625 | -3.3458625 | 11.1947959 | |||
Dec-94 | 27.875 | 0 | 2.76 | 0.76935 | -0.39295 | 0.1544097 | |||
Jan-95 | 25.25 | 0.26 | -8.48 | -2.163248 | -3.325548 | 11.0592695 | |||
Feb-95 | 26.125 | 0 | 3.47 | 0.9065375 | -0.2557625 | 0.06541446 | |||
Mar-95 | 26.875 | 0 | 2.87 | 0.7713125 | -0.3909875 | 0.15287123 | |||
Apr-95 | 27.125 | 0.31 | 2.08 | 0.570648 | -0.591652 | 0.35005209 | |||
May-95 | 29.25 | 0 | 7.83 | 2.290275 | 1.127975 | 1.2723276 | |||
Jun-95 | 29.75 | 0 | 1.71 | 0.508725 | -0.653575 | 0.42716028 | |||
Jul-95 | 29 | 0.31 | -1.48 | -0.433788 | -1.596088 | 2.5474969 | |||
Aug-95 | 30.75 | 0 | 6.03 | 1.854225 | 0.691925 | 0.47876021 | |||
Sep-95 | 31.125 | 0 | 1.22 | 0.379725 | -0.782575 | 0.61242363 | |||
Oct-95 | 28.75 | 0.35 | -6.51 | -1.89441 | -3.05671 | 9.34347602 | |||
Nov-95 | 28.25 | 0 | -1.74 | -0.49155 | -1.65385 | 2.73521982 | |||
Dec-95 | 28.875 | 0 | 2.21 | 0.6381375 | -0.5241625 | 0.27474633 | |||
Jan-96 | 29.5 | 0.35 | 3.38 | 1.00893 | -0.15337 | 0.02352236 | |||
Feb-96 | 31.25 | 0 | 5.93 | 1.853125 | 0.690825 | 0.47723918 | |||
Mar-96 | 34.375 | 0 | 10 | 3.4375 | 2.2752 | 5.17653504 | |||
Apr-96 | 35.875 | 0.35 | 5.38 | 1.948905 | 0.786605 | 0.61874743 | |||
May-96 | 36.5 | 0 | 1.74 | 0.6351 | -0.5272 | 0.27793984 | |||
Jun-96 | 32.375 | 0 | -11.3 | -3.658375 | -4.820675 | 23.2389075 | |||
Jul-96 | 32.375 | 0.385 | 1.19 | 0.389844 | -0.772456 | 0.59668827 | |||
Aug-96 | 33.5 | 0 | 3.47 | 1.16245 | 0.00015 | 2.25E-08 | |||
Sep-96 | 31.25 | 0 | -6.72 | -2.1 | -3.2623 | 10.6426013 | |||
Oct-96 | 31.25 | 0.385 | 1.23 | 0.3891105 | -0.7731895 | 0.597822 | |||
Nov-96 | 32.75 | 0 | 4.8 | 1.572 | 0.4097 | 0.16785409 | |||
Dec-96 | 32.25 | 0 | -1.53 | -0.493425 | -1.655725 | 2.74142528 | |||
Jan-97 | 32.125 | 0.385 | 0.81 | 0.263331 | -0.898969 | 0.80814526 | |||
Feb-97 | 32.875 | 0 | 2.33 | 0.7659875 | -0.3963125 | 0.1570636 | mean | 1.162 | |
Mar-97 | 31.375 | 0 | -4.56 | -1.4307 | -2.593 | 6.723649 | |||
Apr-97 | 34.75 | 0.42 | 12.1 | 4.25557 | 3.09327 | 9.56831929 | std dev | 3.14 | |
May-97 | 37.5 | 0 | 7.91 | 2.96625 | 1.80395 | 3.2542356 | |||
Jun-97 | 38 | 0 | 1.33 | 0.5054 | -0.6569 | 0.43151761 | std error | 2.912907 | |
Jul-97 | 40.875 | 0.42 | 8.67 | 3.5802765 | 2.4179765 | 5.84661035 | |||
Aug-97 | 43 | 0 | 5.2 | 2.236 | 1.0737 | 1.15283169 | |||
Sep-97 | 45.125 | 0 | 4.94 | 2.229175 | 1.066875 | 1.13822227 | for 95%confidence | ||
Oct-97 | 43.688 | 0.42 | -2.25 | -0.99243 | -2.15473 | 4.64286137 | |||
Nov-97 | 43 | 0 | -1.57 | -0.6751 | -1.8374 | 3.37603876 | z value is | 1.96 | |
Dec-97 | 48.563 | 0 | 12.94 | 6.2840522 | 5.1217522 | 26.2323456 | |||
Jan-98 | 51 | 0.42 | 5.88 | 3.023496 | 1.861196 | 3.46405055 | conf interval | ||
Feb-98 | 56.563 | 0 | 10.91 | 6.1710233 | 5.0087233 | 25.0873091 | |||
Mar-98 | 64.813 | 0 | 14.59 | 9.4562167 | 8.2939167 | 68.7890542 | -4.5473 | std dev-std error*z value | |
Apr-98 | 45.813 | 23.68 | 7.22 | 5.0173946 | 3.8550946 | 14.8617544 | 6.871297 | std dev+ std error*z value | |
May-98 | 51.875 | 0 | 13.23 | 6.8630625 | 5.7007625 | 32.4986931 | |||
Jun-98 | 59 | 0 | 13.73 | 8.1007 | 6.9384 | 48.1413946 | |||
Jul-98 | 57 | 0.42 | -2.68 | -1.538856 | -2.701156 | 7.29624374 | |||
Aug-98 | 44.625 | 0 | -21.71 | -9.6880875 | -10.8503875 | 117.730909 | |||
Total | 55.7913523 | ||||||||
mean(total/number) | 1.16231984 | sum | 474.100411 | ||||||
0 | sum/num | 9.8770919 | |||||||
std dev +sqrt(9.877) | 3.1427841 | ||||||||