N1:=50;N:=8;
80,colorgreen;
20,colorred;
LC:=REF(CLOSE,1);
☆:SMA(MAX(CLOSE-LC,0),N,1)/SMA(ABS(CLOSE-LC),N,1)*100,coloryellow;
☆1:IF(☆<20,40,20),colorred;
☆2:IF(☆>80,60,80),colorgreen;
☆↑:STICKLINE(FILTER(REF(☆,1)<20 AND ☆>REF(☆,1),5),20,40,8,0),colorred;
☆↓:STICKLINE(FILTER(REF(☆,1)>80 AND ☆DRAWTEXT(FILTER(REF(☆,1)<20 AND ☆>REF(☆,1),5),40 ,'买入' ),colorred;
DRAWTEXT(FILTER(REF(☆,1)>80 AND ☆x: REF(CLOSE,1);
冰山: SMA(MAX(CLOSE-x,0),8,1)