N:=74;
上升通道:DRAWLINE(L<=LLV(L,10),LLV(L,10),H>=HHV(H,10),H,0),COLORFF00FF,LINETHICK2;
下降通道:DRAWLINE(H>=HHV(H,10),H,L<=LLV(L,10),LLV(L,10),0),COLORFFFF33,LINETHICK2;
抄底建仓:IF(上升通道>REF(上升通道,1),上升通道,N),NODRAW,COLOR00FFFF;
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DRAWTEXT(CROSS(上升通道,-24),H-0.99,'⊙抄底建仓'),COLOR00FFFF;
DRAWTEXT(CROSS(下降通道,-24),H-0.4,'⊙到顶减仓'),COLOR0087F3;
到顶减仓:IF(下降通道>REF(下降通道,1),下降通道,N),NODRAW,COLOR0087F3;