I am analyzing prices data using ARIMA model. Stata's video clip availabel at https://www.youtube.com/watch?v=HkK_p3jFWss*shows that if the estat sbcusum plot is within the confidence interval, results suggest that a series contains no structural break. In terms of Test -Statistic, if it is higher than the critical values, results suggest that there is a structural break. However, when I perform the test, the estat sbcusum plot falls within the confidence interval (plot attached) while the Test Statistic is less than the critical values. How do I proceed given these results?
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