A1:=C-REF(C,1);
A2:=100*EMA(EMA(A1,6),6)/EMA(EMA(ABS(A1),6),6);
SHORT:=7; LONG:=19;
RMA:=EMA(CLOSE,SHORT);
NMA:=EMA(CLOSE,LONG);
涨势线:=DRAWLINE(L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1),LLV(L,BARSLAST(CROSS(NMA,RMA))+1),
H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1),HHV(H,BARSLAST(CROSS(RMA,NMA))+1),0),LINETHICK1,COLORFF00FF;
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跌势线:=DRAWLINE(H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1),HHV(H,BARSLAST(CROSS(RMA,NMA))+1),
L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1),LLV(L,BARSLAST(CROSS(NMA,RMA))+1),0),LINETHICK1,COLORBLUE;
趋势区:=IF((EVERY(跌势线>=REF(跌势线,1),1)),4,2)COLOR0000FF,LINETHICK3;
低买:(CROSS(趋势区,2.1));