I have modified the version of Nicolas present in the library, added the colors and updated to version no. 2

This Is Version 2 Of This Indicator that now Finds Market Tops and Bottoms

Created by ChrisMoody on 11/03/2014.

// CM_Laguerre PPO PctRank Tops-Bottoms
// modificato CM_Laguerre PPO PercentileRank ora = tradingview
// parameters :
 Short = 0.4
 Long = 0.8
 lkb = 200 //(Look back period)
 pctile = 90 //(Extreme threshold lines)
 midpctile = 70 //(Warning threshold lines)

if(barindex>lkb) then

hl2 = (high+low)/2

//laguerre short
Ls0 = (1 - Short)*hl2+Short*(Ls0[1])
Ls1 = -Short*Ls0+(Ls0[1])+Short*(Ls1[1])
Ls2 = -Short*Ls1+(Ls1[1])+Short*(Ls2[1])
Ls3 = -Short*Ls2+(Ls2[1])+Short*(Ls3[1])
lmas = (Ls0 + 2*Ls1 + 2*Ls2 + Ls3)/6

//laguerre long
Ll0 = (1 - Long)*hl2+Long*(Ll0[1])
Ll1 = -Long*Ll0+(Ll0[1])+Long*(Ll1[1])
Ll2 = -Long*Ll1+(Ll1[1])+Long*(Ll2[1])
Ll3 = -Long*Ll2+(Ll2[1])+Long*(Ll3[1])
lmal = (Ll0 + 2*Ll1 + 2*Ll2 + Ll3)/6

pctileB = pctile * -1
midpctileB = midpctile * -1

//PPO Plot
ppoT = (lmas-lmal)/lmal*100
ppoB = (lmal-lmas)/lmal*100

//PercentRank of PPO
// percent rank = nb of value less than our value / (nb of values less than our value + nb of values greater than our value)
topvalueMinus = 0
topvaluePlus = 0
bottomvalueMinus = 0
bottomvaluePlus = 0

for i = 0 to lkb do
if ppoT[i]<ppoT then
topvalueMinus = topvalueMinus+1
else
topvaluePlus = topvaluePlus+1
endif
if ppoB[i]<ppoB then
bottomvalueMinus = bottomvalueMinus+1
else
bottomvaluePlus = bottomvaluePlus+1
endif
next

pctRankT = topvalueMinus / (topvalueMinus+topvaluePlus)
pctRankB = (bottomvalueMinus / (bottomvalueMinus+bottomvaluePlus)) *-1

//coloring histogram TOP ROSSO
if pctRankT>=pctile/100 then
TopColor = 1
else
TopColor = -1
endif

//coloring histogram MID TOP ARANCIONE
if pctRankT>=midpctile/100 and pctRankT < pctile/100 then
TopColor = 2
endif

if TopColor=1 then
r=255
g=0
b=0
elsif TopColor<0 then
r=128
g=128
b=128
Endif

if TopColor=2 then
r=255
g=140
b=0
elsif TopColor<0 then
r=128
g=128
b=128
Endif

//coloring histogram BOTTOM VERDE CHIARO
if pctRankB <= pctileB/100 then
BottomColor = 1
else
BottomColor = -1
endif

//coloring histogram MID BOTTOM VERDE SCURO
if pctRankB <= midpctileB/100 and pctRankB > pctileB/100 then
BottomColor = 3
endif

if BottomColor = 1 then
rr=255
gg=0
bb=255
elsif BottomColor < 0 then
rr=211
gg=211
bb=211
Endif

if BottomColor=3 then
rr=0
gg=128
bb=0
elsif BottomColor>0 then
rr=0
gg=255
bb=0
Endif

endif

RETURN pctRankT coloured(r,g,b) as "Top", pctRankB coloured(rr,gg,bb) as "Bottom", 0 coloured (105,105,105) as "zero line", pctile/100 coloured (255,0,0) as "Top Percentile Threshold", pctileB/100 coloured (0,128,0) as "Bottom Percentile Threshold",  midpctile/100 coloured (255,140,0) as "Warning Top Percentile Threshold", (midpctile*-1)/100 coloured (0,255,0) as "Warning Bottom Percentile Threshold"