stationary price in stock market

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alm
Posts: 4
Joined: Sat Jul 30, 2016 1:04 pm

stationary price in stock market

Postby alm » Sat Jul 30, 2016 1:21 pm

hi
after using ADF test & zivot andrew test i found that:
in ADF test, price was stationary in intercept while the other 2 models ( just trend, intercept and trend) were non stationary, alos the dlog(price) was sationary in all 3 vesion as expected.
in zivot-andrews both daily price and return of stock market were stationary in all 3 versions
how can I infer them?
Last edited by alm on Sat Aug 13, 2016 6:45 pm, edited 3 times in total.

startz
Non-normality and collinearity are NOT problems!
Posts: 3797
Joined: Wed Sep 17, 2008 2:25 pm

Re: stationary price in stock market

Postby startz » Sat Jul 30, 2016 4:25 pm

If you found that the price of a stock was stationary (for a widely traded stock on one of the major western exchanges), you probably did something wrong.

alm
Posts: 4
Joined: Sat Jul 30, 2016 1:04 pm

Re: stationary price in stock market

Postby alm » Wed Aug 03, 2016 12:41 pm

If you found that the price of a stock was stationary (for a widely traded stock on one of the major western exchanges), you probably did something wrong.

hi
no it wasn`t for a western exchange market!
but I really what to know how do you interpret these:
in ADF test, price was stationary in intercept while the other 2 models ( just trend, intercept and trend) were non stationary, also the return was sationary in all 3 vesion as expected.
in zivot-andrews both daily price and return of stock market were stationary in all 3 versions


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