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:IF(((CROSS(趋势区,2.1))),10,0),STICK,COLORRED,LINETHICK5;
高卖:IF(((CROSS(3.9,趋势区))),-8,0),STICK,COLORFF9150,LINETHICK5;