difF:=ema(CLOSE,12)-EMA(CLOSE,26);DEA:=EMA(DIFF,9);macd:=2*(DIFF-DEA);A11:=BArslAST(REF(crOSS(DIFF,DEA),1));B11:=REF(C,A11+1)>C AND REF(DIFF,A11+1)M买:B11>0;