{指标介绍：
红线--多方线；绿线--空方线；黄线--反弹线；
红线上穿绿线，多方力量强，当红线拐头向下时主力止盈；
红线在0轴下方，反弹线上穿多方线可提前入场，避免追高。}

VAR1:=(HHV(HIGH,21)-C)/(HHV(HIGH,21)-LLV(LOW,21))*100-10;
VAR2:=(C-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100;
VAR3:=SMA(VAR2,13,8);
高位:90;
低位:0;
多方: SMA(VAR3,13,8),COLORRED,LINETHICK2;
空方: SMA(VAR1,21,8),COLORGREEN,LINETHICK2;
中轴:45;
{MACD计算 - 只保留计算不显示图形}
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2;
{KDJ计算 - 只保留J线}
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,COLORYELLOW,LINETHICK2;
{简化KDJ信号条件}
J线金叉:=REF(J,1)D; {J线上穿D线(金叉)}
J线低位拐头向上:=J<50 AND J>REF(J,1) AND REF(J,1)J线超买:=J>80; {J线高于80为超买区域}
J线死叉:=REF(J,1)>REF(D,1) AND JJ线高位拐头向下:=J>50 AND JREF(J,2); {J线在高位开始向下转折}
{J线上穿红色线（多方线）}
J上穿多方:=CROSS(J,多方);
{MACD优化条件}
MACD水上:=DIF>0 AND DEA>0; {双线均在零轴上方}
MACD金叉:=CROSS(DIF,DEA); {DIF上穿DEA}
MACD死叉:=CROSS(DEA,DIF); {DIF下穿DEA}
MACD顶背离:=C>REF(C,1