<strong>#Ищет базу на любых уровнях.</strong>
#Cнять галочку Include Extended Session
#Thinkorswim  https://RadchenkoVY.com/TOS


def iDiff = 0.00; #максимальное отклонение в центах
def iBars = 4; #число баров для просмотра
def iLowest = lowest(low,iBars);
def iHighest = highest(high,iBars);
def bBaseLow = fold Lbar = 0 to iBars with Ls=1 do if ((low[Lbar]-iLowest)<=iDiff) then Ls*1 else Ls*0;
def bBaseHigh = fold Hbar = 0 to iBars with Hs=1 do if ((iHighest-high[Hbar])<=iDiff) then Hs*1 else Hs*0;
plot bBase = if bBaseLow then 1 else if bBaseHigh then 2 else 100;
AssignBackgroundColor (if (bBase == 1) then Color.LIGHT_GREEN else if (bBase == 2) then Color.LIGHT_RED else Color.black);
bBase.AssignValueColor (if bBase <> 100 then Color.black else Color.CURRENT);

<strong>#Ищет базу на уровнях кратным 50 центам.</strong>
#Cнять галочку Include Extended Session
#Thinkorswim  https://RadchenkoVY.com/TOS

def iDiff = 0.00; #максимальное отклонение в центах
def iBars = 4; #число баров для просмотра
def iLowest = lowest(low,iBars);
def iHighest = highest(high,iBars);
def bBaseLow = fold Lbar = 0 to iBars with Lsumm=1 do if  ((low[Lbar]-iLowest)<=iDiff) then Lsumm*1 else Lsumm*0;
def bBaseHigh = fold Hbar = 0 to iBars with Hsumm=1 do  if ((iHighest-high[Hbar])<=iDiff) then Hsumm*1 else  Hsumm*0;
def iFigureLow = fold FLbar = 1 to iBars+1 with FLsumm  do if (low[FLbar] == (Floor(low[FLbar]*2))/2) then  FLsumm+1 else FLsumm;                  
def iFigureHigh = fold FHbar = 1 to iBars+1 with FHsumm  do if (high[FHbar] == (Ceil(high[FHbar]*2))/2) then  FHsumm+1 else FHsumm;
plot bBase = if (bBaseLow and iFigureLow) then 1 else if  (bBaseHigh and iFigureHigh) then 2 else 100;
AssignBackgroundColor (if (bBase == 1) then Color.LIGHT_GREEN else if (bBase == 2) then Color.LIGHT_RED else Color.black);
bBase.AssignValueColor (if bBase <> 100 then Color.black else Color.CURRENT);

#Thinkorswim studies 
#Рисует показатели акции прямо на графике.
#Позволяет быстро увидеть ATR акции, средний объем и т.д.
#Thinkorswim  https://RadchenkoVY.com/TOS

def length = 14;  # сколько дней учитывать при расчетах показателей
input AvgVolume = {default "1", "0"};
input ATR = {default "1", "0"};
input VolumePlay = {default "1", "0"};
input ATRPlay = {default "1", "0"};
input Volume_ = {default "1", "0"};
input IQTicker = {default "1", "0"};        #IQ
AddLabel (yes,"RadchenkoVY.COM", Color.LIGHT_GREEN);
def iATR = Round((Average(high(period = "DAY"), length ) - Average(low(period = "DAY"), length )), 2);
AddLabel (!ATR, "ATR " + iATR, Color.WHITE);
def iATRPlay = Round((high(period = "DAY") - low(period = "DAY")) / iATR, 1);
AddLabel (!ATRPlay, "ATRPlay " + iATRPlay, Color.LIGHT_GREEN);
def iAvgVolume = Round(Average (volume(period = "DAY")[1], length), 1);
AddLabel (!AvgVolume, "AvgVol " + iAvgVolume, Color.WHITE);
def iVolume = volume(period = "DAY");
AddLabel (!Volume_, "Vol " + iVolume, Color.LIGHT_GREEN);
def iVolumePlay = Round(iVolume / Average(volume(period = "DAY"), length), 1);
AddLabel (!VolumePlay, "VolPlay " + iVolumePlay, Color.LIGHT_GREEN);
def IQ = round ((iAvgVolume/390*iATR/1000),0);
AddLabel (!IQTicker, "IQ " + IQ, Color.WHITE);

Полная библиотека индикаторов, фильтрови и сканеров для Thinkorswim в этом блоге  bit.ly/2vKq4F8