同花顺BOLL_N_RSI指标公式

LC = REF(CLOSE,1);

RSI$3=SMA(MAX(CLOSE-LC,0),N1,1)/SMA(ABS(CLOSE-LC),N1,1)*100;

P1=P/10;

MID =  MA(RSI$3,N);

UPPER= MID + P1*STD(RSI$3,N);

LOWER= MID - P1*STD(RSI$3,N);

b:(RSI$3-LOWER)/(UPPER-LOWER);

x:1;

y:0;

m:0.5;