The natural market mirror indicator (see Jim Sloman's book "Ocean theory") coded in Trading View.
//@version=2 //coded in tradingview by kprsa //idea by Jim Sloman (RIP) - see his book "Ocean theory" // ------ study("Natural Market Mirror",shorttitle="NMM",overlay=false) n=input(defval=40,title="Length",type=integer,minval=1,maxval=100,step=1) s=input(defval=close,title="Source price") nmm(src2) => src=log(src2) sum=0.0 for i=1 to n sum := sum+(src-src[i])/sqrt(i*1.0) nmm=sum/(n*1.0) plot(nmm(s),color=red)