proc univariate data=Work.SortTempTableSorted;
    ODS select "Goodness of Fit";
    var price_change_sd;

    histogram price_change_sd / normal(mu=est sigma=est)
                                gamma(alpha=est sigma=est theta=0)
                                lognormal(sigma=est theta=0 zeta=est)
                                weibull(c=est sigma=est theta=0);
    by has_activity;
run;