通达信很好的RSI指标公式

N:=7;
 LC:=REF(CLOSE,1);
 RSI:SMA(MAX(CLOSE-LC,0),N,1)/SMA(ABS(CLOSE-LC),N,1)*100,COLORFFC500,LINETHICK2;
 AVR1:=DRAWLINE(RSI>=HHV(RSI,N),RSI,RSI<=LLV(RSI,N),RSI,0);
 AVR2:=DRAWLINE(RSI<=LLV(RSI,N),RSI,RSI>=HHV(RSI,N),RSI,0);
 AVR3:=RSI=AVR2;
 AVR4:=RSI=AVR1;
 AVR5:=RSI<REF(RSI,1);
 AVR6:=RSI>REF(RSI,1);
 AVR7:DRAWICON(FILTER(AVR4 AND AVR6,1),RSI*1.04,2);
 AVR8:DRAWICON(FILTER(AVR3 AND AVR5,1),RSI*0.9,1);