DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=2*(DIF-DEA);{系统自带MACD指标}
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;{系统自带KDJ指标}
周期 := 1;{金叉出现周期}
五日均线 := MA(CLOSE,5);
十日均线 := MA(CLOSE,10);
均线金叉周期 := BARSLAST(CROSS(五日均线,十日均线));
KDJ金叉周期 := BARSLAST(CROSS(K,D));
MACD水下金叉:= CROSS(DIF,DEA) AND DEA<0;
MACD金叉周期 := BARSLAST(MACD水下金叉);
三金叉见底:IF((均线金叉周期<=周期 AND KDJ金叉周期<=周期 AND MACD金叉周期
<=周期),1,0);