压力与支撑
TY:=MAX(CLOSE,OPEN);
TY1:=MIN(CLOSE,OPEN);
HD:=FILTER(BACKSET(FILTER(REF(TY,10)=HHV(TY,21),10),11),10);
LD:=FILTER(BACKSET(FILTER(REF(TY1,10)=LLV(TY1,21),10),11),10);
A:=REF(TY,BARSLAST(HD));
B:=REF(TY1,BARSLAST(LD));
T1:=BARSLAST(HD)<BARSLAST(LD) AND NOT(HD);
T2:=BARSLAST(HD)>BARSLAST(LD) AND NOT(LD);
波峰:IF(T1,A,A),COLORFF00FF,POINTDOT;
STICKLINE(T1,A,A,9,0),COLORFF00FF;
波谷:IF(T2,B,B),COLOR80FF00,POINTDOT;
STICKLINE(T2,B,B,9,0),COLOR80FF00;
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