DIFF:EMA(CLOSE,12) - EMA(CLOSE,26);

DEA:EMA(DIFF,9);

MACD:2*(DIFF-DEA),COLORSTICK;

JC:=CROSS(DIFF,DEA);

SC:=CROSSDOWN(DIFF,DEA);

N1:=BARSLAST(JC)+1;

N2:=BARSLAST(SC)+1;

HH:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(H,N1));//上次MACD红柱期间合约最大值

HH2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(HH,1));//上上次MACD红柱期间合约最大值

MHD:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(MACD,N1));//上次MACD红柱期间MACD最大值

MHD2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(MHD,1));//上上次MACD红柱期间MACD最大值

LL:=VALUEWHEN(CROSS(DIFF,DEA),LLV(L,N2));//上次MACD绿柱期间合约最小值

LL2:=VALUEWHEN(CROSS(DIFF,DEA),REF(LL,1));//上上次MACD绿柱期间合约最小值

MLD:=VALUEWHEN(CROSS(DIFF,DEA),LLV(MACD,N2));//上次MACD绿柱期间MACD最小值

MLD2:=VALUEWHEN(CROSS(DIFF,DEA),REF(MLD,1));//上上次MACD绿柱期间MACD最小值

A:=CROSSDOWN(DIFF,DEA)&&HH>HH2&&MHD<MHD2;//顶背离

B:=CROSS(DIFF,DEA)&&LL<LL2&&MLD>MLD2;//底背离

DRAWICON(A,MACD,5);

DRAWICON(B,MACD,4);