当走势接近箱下沿时可以考虑买入，当走势接近箱上沿时可以考虑卖出。

DRAWGBK(CLOSE=CLOSE, STRIP(RGB(10,190,255),RGB(255,155,155),0)); VarA:=IF(CLOSE>150,91.3,0.913); 箱下沿:INTPART(CLOSE/VarA )*VarA,POINTDOT,linethick3,colorgreen; 箱上沿:箱下沿+VarA,POINTDOT,linethick3,coloryellow ; 箱中线:(箱下沿+箱上沿)/2,POINTDOT,colorwhite,linethick3; 走势: SMA(FORCAST(CLOSE,18),6,1),COLOR0066cf,LINETHICK2; var1:=(SMA(HIGH,21,2) * 1.05); Var2:=IF(C/REF(C,1)>1.050 AND V/CAPITAL*10090,LOW*0.98,' 追'),coloryellow; V1:=EMA(EMA(EMA(C,8),13),55); V2:=(REF(H,1)+REF(L,1))/2; V3:=MA(C,20)+2*STD(C,20); DRAWTEXT(CROSS(V2,V3),HIGH*1.06,'→卖'),colorblue; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,9,0),colorFF5B00; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,8,0),colorFF6C00; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,7,0),colorFF7B00; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,6,0),colorFF9C00; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,5,0),colorFFBE00; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,3.5,0),colorFFCC00; STICKLINE((OPEN >= CLOSE),CLOSE,OPEN,1.5,0),colorFFFF00; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,9,0),color070084; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,8,0),color0000A3; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,7,0),color0000B7; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,6,0),color0000CD; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,5,0),color0000E9; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,3,0),color0754E9; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,1.5,0),color076EF3; STICKLINE((CLOSE >= OPEN),CLOSE,OPEN,1,0),color077BF3; STICKLINE((CLOSE > OPEN),OPEN,LOW,1,0),color0726CA; STICKLINE((CLOSE > OPEN),CLOSE,HIGH,1,0),color0726CA; STICKLINE((OPEN > CLOSE),CLOSE,LOW,1,0),colorDE9100; STICKLINE((OPEN > CLOSE),OPEN,HIGH,1,0),colorDE9100; STICKLINE(((((CLOSE / OPEN) > 1.04) AND (CLOSE < var1)) AND ((CLOSE - REF(CLOSE,1)) > 0)),CLOSE,OPEN,9,0),color0090FF; STICKLINE(((((CLOSE / OPEN) > 1.04) AND (CLOSE < var1)) AND ((CLOSE - REF(CLOSE,1)) > 0)),CLOSE,OPEN,8,0),color009FFF; STICKLINE(((((CLOSE / OPEN) > 1.04) AND (CLOSE < var1)) AND ((CLOSE - REF(CLOSE,1)) > 0)),CLOSE,OPEN,4,0),color00B5FF; STICKLINE(((((CLOSE / OPEN) > 1.04) AND (CLOSE < var1)) AND ((CLOSE - REF(CLOSE,1)) > 0)),CLOSE,OPEN,2,0),color00E4FF; STICKLINE(((((CLOSE / OPEN) > 1.04) AND (CLOSE < var1)) AND ((CLOSE - REF(CLOSE,1)) > 0)),OPEN,LOW,0.7,0),color00FFFF; STICKLINE(((((CLOSE / OPEN) > 1.04) AND (CLOSE < var1)) AND ((CLOSE - REF(CLOSE,1)) > 0)),CLOSE,HIGH,0.7,0),color00FFFF; STICKLINE(((((CLOSE < REF(CLOSE,1)) AND (CLOSE < REF(CLOSE,1))) AND (HIGH > var1)) AND (CLOSE < var1)),OPEN,LOW,0.7,0),colorFF76FF; STICKLINE(((((CLOSE < REF(CLOSE,1)) AND (CLOSE < REF(CLOSE,1))) AND (HIGH > var1)) AND (CLOSE < var1)),CLOSE,HIGH,0.7,0),colorFF76FF; STICKLINE(((((CLOSE < REF(CLOSE,1)) AND (CLOSE < REF(CLOSE,1))) AND (HIGH > var1)) AND (CLOSE < var1)),CLOSE,OPEN,9,0),colorFF00FF; STICKLINE(((((CLOSE < REF(CLOSE,1)) AND (CLOSE < REF(CLOSE,1))) AND (HIGH > var1)) AND (CLOSE < var1)),CLOSE,OPEN,6,0),colorFF62FF; STICKLINE(((((CLOSE < REF(CLOSE,1)) AND (CLOSE < REF(CLOSE,1))) AND (HIGH > var1)) AND (CLOSE < var1)),CLOSE,OPEN,4,0),colorFF76FF; STICKLINE(((((CLOSE < REF(CLOSE,1)) AND (CLOSE < REF(CLOSE,1))) AND (HIGH > var1)) AND (CLOSE < var1)),CLOSE,OPEN,2,0),colorFFA8FF;