N:=9;M1:=3;M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:SMA(RSV,M1,1);
D:SMA(K,M2,1);
J:3*K-2*D;
水平线20:DRAWLINE(HIGH>=0,20,LOW<=100,20,0),COLORLIGRAY;
水平线50:DRAWLINE(HIGH>=0,50,LOW<=100,50,0),COLORLIGRAY;
水平线80:DRAWLINE(HIGH>=0,80,LOW<=100,80,0),COLORLIGRAY;
DRAWTEXT_FIX(1,0.01,0.05,0,'KD指标用法：'),COLORYELLOW;
DRAWTEXT_FIX(1,0.01,0.10,0,'1. K>80超买区，K<20超卖区。'),COLORLIGRAY;
DRAWTEXT_FIX(1,0.01,0.15,0,'2. K上穿D金叉买入，K下穿D死叉卖出。'),COLORLIGRAY;
DRAWTEXT_FIX(1,0.01,0.20,0,'3. 顶背离看跌，底背离看涨。'),COLORLIGRAY;
