MarcoValente

Average Percentage True Range

163 0 10
ATRP is a volatility indicator similar to ATR , but it use percent of volatility as value; with high volotility the response it s different from the traditional ATR. It can be add, as meseaure of volatility , to other indicator
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//@version=2
study("Average Percentage True Range")
len=input(14)
lh = high - low
pc = close[1]
hc = abs( high - pc )
lc = abs( low - pc )
MM = max( max( lh, hc ), lc ) 
atrs = iff( MM == hc, hc / (  pc + ( hc / 2 ) ), 
       iff( MM == lc, lc / ( low + ( lc / 2 ) ), 
       iff( MM == lh, lh / ( low + ( lh / 2 ) ), 0 ) ) )

APTR = 100*atrs*(2/(len+1))+nz(APTR[1])*(1-(2/(len+1)))
plot( APTR,title= "APTR"  ,color=red )
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