rank(((ts_rank(close,10)-ts_rank(close,50)))*rank(ts_rank(volume,5)))
rank(ts_corr(ts_rank(close,20),ts_rank(volume,5),10))
-1*rank((close-ts_mean(close,10))/ts_std_dev(close,10)*ts_mean(volume,30))
rank(ts_delta(close,15)*rank(ts_corr((high+low)/2,volume,15)))
-1*rank(ts_rank(close,5)-ts_rank(close,60))*rank(ts_std_dev(close,20)*ts_mean(volume,40))