stocks load ${ticker=aapl} qa summary normality unitroot unitroot -r ct unitroot -r ctt hist hist -b 33 cdf pick volume bw bw -y acf pick adjclose acf -l 3 qqplot rolling -w 10 spread quantile skew kurtosis raw raw --sortby adjclose -r decompose cusum capm beta beta -r MSFT var es sh so om load ${ticker=aapl} -i 1 pick returns summary normality unitroot hist cdf bw qqplot rolling spread quantile skew kurtosis raw decompose cusum capm beta var es sh so om load ${ticker=aapl} --source Polygon pick returns summary normality unitroot hist cdf bw qqplot rolling spread quantile skew kurtosis raw decompose cusum capm beta var es sh so om line line --log help reset exit