心中有数主图之B买选股指标公式

DA:=(EMA(C,1)+EMA(C,2)+EMA(C,3)+EMA(C,4))/4;
DB:=(EMA(C,10)+EMA(C,20)+EMA(C,40)+EMA(C,80))/4;
B买:crOSS(DA-DB,0);