黄色曲线为底部支撑线，白色曲线为顶部压力线。出现“买”字样为买入信号，后势上涨概率较大；反之为卖出信号。

SMA(CLOSE,2,1),colorgreen,linethick2;
 var4:=(LOW+HIGH+CLOSE)/3;
操作: MA(var4,5),linethick2,colorwhite;
拉升:HHV(操作,13),colorred,linethick1;
压力:HHV(操作,60),colorred;
买卖:LLV(操作,13),linethick1,color00ff00;
底部支撑: LLV(LOW,60)*1.02,color00ccff;
顶部: HHV(HIGH,60)*0.98,colorffffcc;
 STICKLINE(操作>REF(操作,1),操作,操作+0.018,5,0),coloryellow,linethick4;
 STICKLINE(拉升>REF(拉升,1),拉升,拉升+0.018,5,0),coloryellow,linethick2;
 STICKLINE(拉升=REF(拉升,1),拉升,拉升,1,1),colorred;
 STICKLINE(买卖=REF(买卖,1),买卖,买卖,1,1),colorred;
 STICKLINE(买卖>REF(买卖,1),买卖,买卖+0.028,4,1),colorf00ff0,linethick2;
 STICKLINE(顶部=REF(顶部,1),顶部,顶部,7,1),colorred;
 STICKLINE(压力=REF(压力,1),压力,压力,7,1),colorred;
 STICKLINE(底部支撑=REF(底部支撑,1),底部支撑,底部支撑,1,1),colorred;
 {DRAWGBK(DATE>900101,STRIP(RGB(0,150,130),RGB(0,0,0),0));}
买线:=EMA(C,2);
卖线