逃过最近史上三次大跌的指标

{N1(2,250,5)}{N2(2,150,10)}   

SHI:=REF(CLOSE,1);   

SHOU:SMA(MAX(CLOSE-SHI,0),N1,1)/SMA(ABS(CLOSE-SHI),N1,1)*100;   

TOU:SMA(MAX(CLOSE-SHI,0),N2,1)/SMA(ABS(CLOSE-SHI),N2,1)*100;   

DRAWBAND(SHOU,RGB(255,150,0),TOU,RGB(0,130,50));   

AA:95,COLORGREEN;   

BB:90,COLORCYAN;   

CC:45,COLORYELLOW;   

DD:80,COLORMAGENTA;   

EE:10,COLORRED;   

DRAWTEXT(ISLASTBAR,AA,'清仓');   

DRAWTEXT(ISLASTBAR,BB,'减仓');   

DRAWTEXT(ISLASTBAR,DD,'警觉');