Question 1 :-
Create log of the returns data ,use log return and calculate historical volatility
Commands used:-
acf(ts.closingpriceacf(returns)
T=(252)^0.5
historicalvolitility<-sd(returns)*T
historicalvolitility
[1] 0.1475815
Fig :- 1
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Question 2:-
create acf plot for log returns data and do an adf test and interpret it.
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