TR:=MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW));
ATR:=MA(TR,15),linethick;
//該週期取波段高點日期
L1 := Day=12 AND Month=1 AND Year=2006;
L2 := LLV(L,barslast(L1)) ;
L3 := L2+2*ATR;
LL:LLV(L3,barslast(L1)=1);
//該週期取波段低點日期
H1 := Day=23 AND Month=1 AND Year=2006;
H2 := HHV(H,barslast(H1)) ;
H3 := H2-2*ATR;
HH:HHV(H3,barslast(H1)=1);

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