股价下跌至20均线以及60线也提示然而当天缩量给出买入提示z1:=(c<ma(c,20) and ref(c,1)>ref(ma(c,20),1)) or (c<ma(c,60) and ref(c,1)>ref(ma(c,60),1)) and v<ref(c,1) ;drawicon(z1,l,1);跌穿20或60.6个交易日股价又再次收回20或60线也在当根k线...
参数 n 2 100 11 m 2 100 6cv:=close;bbiboll:=(ma(cv,3)+ma(cv,6)+ma(cv,12)+ma(cv,24))/4;upr:=bbiboll+m*std(bbiboll,n);dwn:=bbiboll-m*std(bbiboll,n);xg:c<dwn;