REFLINE: 0, 20, 50, 80, 100;
20,colorblue;
50,colorblue;
80,colorblue;
100,colorred;
0,colorred;
RSV:=(CLOSE-LLV(LOW,49))/(HHV(HIGH,49)-LLV(LOW,49))*100;
A:SMA(RSV,
100,99),colorwhite;
季:SMA(a,49,1),coloryellow;
半:SMA(a,120,1),colorgreen;
年:SMA(a,250,1),colorred;