通达信估计量指标(源码)

TS:=BARSCOUNT(CLOSE);
R1:=0.5*(LN(H/L)*LN(H/L));
CS:=2*LN(2)-1;
R2:=CS*LN(C/O)*LN(C/O);
TT:=R1-R2;
GT:=SUM(TT,TS)/TS;
HL:SQRT(GT);