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);
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