天梯主图， 感觉不错。简单方便。短线波段操作，出现黄色买入，黄色消失卖出
{通达信天梯指标}
N:=20;
M:=5;
VAR1:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
VAR2:=SMA(VAR1,M,1);
VAR3:=SMA(VAR2,M,1);
天梯:3*VAR2-2*VAR3,COLORRED,LINETHICK2;
支撑线:MA(天梯,M),COLORGREEN,LINETHICK1;
STICKLINE(天梯>支撑线,支撑线,天梯,2,0),COLORRED;
STICKLINE(天梯<支撑线,支撑线,天梯,2,0),COLORGREEN;
DRAWICON(CROSS(天梯,支撑线),支撑线*0.98,1);
DRAWICON(CROSS(支撑线,天梯),支撑线*1.02,2);
