用了多年的波段指标（无未来），适合波段操作，上涨和下跌阶段都适用

源码

VAR1:=((CLOSE - LLV(LOW,15))/(HHV(HIGH,15) - LLV(LOW,15)))*(100);
VAR2:=REVERSE(VAR1);
VAR3:=SMA(VAR1,5,1);
K:=SMA(VAR3,3,1);
D:=SMA(K,3,1);
DRAWTEXT(CROSS(K,D) and (D < 18),15,'买'),Color00FF00;
DRAWTEXT(CROSS(D,K) and (D > 75),85,'卖'),ColorFFFFFF;
STICKLINE((K >= D),K,D,6,0),Color0000A8;
STICKLINE((K >= D),K,D,5,0),Color0000C0;
STICKLINE((K >= D),K,D,4,0),Color0000E0;
STICKLINE((K >= D),K,D,3,0),Color0000F0;
STICKLINE((K >= D),K,D,2,0