Z_1:=vol/CAPITAL*100<11 OR REF(VOL/CAPITAL*100,1)>6 AND VOL/CAPITAL*100/REF(VOL/CAPITAL*100,1)<1.99 OR VOL/CAPITAL<REF(HHV(VOL/CAPITAL,90),1);
Z_2:=CLOSE/REF(CLOSE,1)>1.03 AND CLOSE/HHV(HIGH,34)<1 AND NOT(CLOSE<OPEN);
Z_3:=MAX(FORCAST(COST(24)/LOW,3),SMA(COST(24)/LOW,3,1))>1.3;
抓大底:Z_1 AND Z_2 AND Z_3 ;