Common support, resistance and key levels

tride

New member
Hi all

Drawing support, resistance and marking up other key levels on the charts are a pretty common thing that most of the traders end up doing. Volume, gap ups/down, multiple touch points, breakouts, etc. - a bunch of techniques are used to plot these and all of us have this plotted slightly here and there on the price marks.

Would be pretty cool if there was an indicator or service that would show me community collaborated price levels (& verified by some expert) on the chart, that way everyone would be able to leverage everyone's elses work and we wouldnt have to plot these individually, does anything like that exist? or could be made?
 
Support and resistance levels are generally subjective. Not everyone will agree on the same exact price, though some people may have similar levels on their chart, but never the same unless they follow a systematic method.

Would be pretty cool if there was an indicator or service that would show me community collaborated price levels

We have tons of S/R indicators here: https://usethinkscript.com/p/best-support-resistance-indicators-for-thinkorswim/

There are services like FlowAlgo that will display "important" price levels based on significant volume and order blocks.

I hope that helps.
 

Join useThinkScript to post your question to a community of 21,000+ developers and traders.

Here is a very nice Globex support/resistance script: https://tos.mx/JqbDgfJ
yC86NZA.png

Ruby:
## OneNote Archive Name: WIP_PickAPlotPlus_v03
## Suggested Tos Name using JQ naming convention: WIP_PickAPlotPlus_v03
## OneNote Section: Support Resistance
## Archive Date:
## Provenance: scripted and archived by JQ

## Archive, Usage or Lounge Notes:
    # Concept by JQ
    # Initialization and vastly superior logic by Nube...thank you!

 ## Drafting Notes:
    # 02.26.2019  Begin drafting
## End OneNote Archive Header

 declare upper;

# Universal Definitions using Padawan variable naming convention (JQ) v03.04.2019
# iData Definitions
    def vHigh = high;  # creates the variable vHigh.  Use of the variable reduce data calls to tos iData server
    def initHigh =  CompoundValue(1, high, high);  # creates and initialized variable for High
    def vLow = low;
    def initLow = CompoundValue(1, low, low);
    def vOpen = open;
    def initOpen = CompoundValue(1, open, open);
    def vClose = close;
    def initClose = CompoundValue(1, close, close);
    def vVolume = volume;
    def initVolume = CompoundValue(1, volume, volume);
    def nan = Double.NaN;

# Bar Definitions (Time & Date)
    def bn = BarNumber();
    def currentBar = HighestAll(if !IsNaN(vHigh) then bn else nan);
    def Today = GetDay() ==GetLastDay();
    def time = GetTime();
    def GlobeX = GetTime() < RegularTradingStart(GetYYYYMMDD());
    # def globeX_v2 = if time crosses below RegularTradingEnd(GetYYYYMMDD()) then bn else GlobeX[1];
    def RTS  = RegularTradingStart(GetYYYYMMDD());
    def RTE  = RegularTradingEnd(GetYYYYMMDD());
    def RTH = GetTime() > RegularTradingStart(GetYYYYMMDD());
    def RTH_v2 = if time crosses above RegularTradingStart(GetYYYYMMDD()) then bn else RTH[1];

# Bubble Locations
    def x_AxisLastExpansionBar = BarNumber() == HighestAll(BarNumber());  #corrected 11.12.2018 (JQ)
        # syntax: addChartBubble(x_AxisLastExpansionBar, y-axis coordinate," text", Color.LIME); #verified 12.25.2018 (JQ)

## Begin Globex Code
## Globex Highest High Code
## Inputs

input HighestHighGlobeX = {"Do Not Display",  "From High to Current Bar", default  "From High into Expansion Area", "Entire Chart Time Frame"};

#input "Highest High Test" = "the manual states this should function properly";
#addlabel(1,"Highest High Test",color.white);
## Definitions (specific to Globex script)

def iterHighestPrice_GlobeX = if GlobeX and !GlobeX[1]
            then initHigh
            else if GlobeX and initHigh > iterHighestPrice_GlobeX[1]
                then initHigh
            else iterHighestPrice_GlobeX[1];
        ## Iteratively discover the Highest Price occurring during the desired time period
def iterHighestBar_GlobeX = if GlobeX and initHigh == iterHighestPrice_GlobeX
            then bn
            else Double.NaN;
        ## Iteratively discover the bar at which the Highest Price occurs
def HighestHigh_GlobeX = if BarNumber() == HighestAll(iterHighestBar_GlobeX)
            then iterHighestPrice_GlobeX
            else HighestHigh_GlobeX[1];

        ## define a variable which is assigned a value equal to the Highest High
        ## beginning with the bar at which the highest high occurs and then
        ## assign that value (highest high) to any future bars

## Switch Code
plot HighestHigh_GlobeX_plot;
HighestHigh_GlobeX_plot.SetDefaultColor(Color.CYAN);
switch (HighestHighGlobeX)
{
    case "Do Not Display":
        HighestHigh_GlobeX_plot = nan;
    case "From High to Current Bar":
        HighestHigh_GlobeX_plot =
                if Between(bn, HighestAll(iterHighestBar_GlobeX), currentBar)
                then HighestHigh_GlobeX
                else nan;
    case "From High into Expansion Area":
        HighestHigh_GlobeX_plot =
                if bn >= HighestAll(iterHighestBar_GlobeX)
                then HighestHigh_GlobeX
                else nan;
    case "Entire Chart Time Frame":
        HighestHigh_GlobeX_plot =
                HighestAll(HighestHigh_Globex);
}
## End Switch Code

## addChartBubble Code
input showGlobeX_HHighBubble = yes;
AddChartBubble(x_AxisLastExpansionBar and showGlobeX_HHighBubble, HighestHigh_GlobeX_plot, "HighestHigh_GlobeX", HighestHigh_GlobeX_plot.TakeValueColor());
## End GlobeX Highest High Code
## -----  -----  -----  -----  -----  -----  -----  -----

## Begin GlobeX Lowest Low Code
## Inputs
input LowestLowGlobeX = {"Do Not Display", "From Low to Current Bar",  default "From Low into Expansion Area", "Entire Chart Time Frame"};

 
## Definitions
def iterLowestPrice_GlobeX = if GlobeX and !GlobeX[1] or bn == 1
            then initLow
            else if GlobeX and initLow < iterLowestPrice_GlobeX[1]
                then initLow
            else iterLowestPrice_GlobeX[1];

def iterLowestBar_GlobeX = if GlobeX and vLow == iterLowestPrice_GlobeX
            then bn
            else Double.NaN;

def LowestLow_GlobeX = if BarNumber() == HighestAll(iterLowestBar_GlobeX)
            then iterLowestPrice_GlobeX
            else LowestLow_GlobeX[1];

## Switch Code
plot LowestLow_GlobeX_plot;
LowestLow_GlobeX_plot.SetDefaultColor(Color.CYAN);
switch (LowestLowGlobeX)
{
    case "Do Not Display":
        LowestLow_GlobeX_plot = nan;
    case "From Low to Current Bar":
        LowestLow_GlobeX_plot =
                if Between(bn, HighestAll(iterLowestBar_GlobeX), currentBar)
                then LowestLow_GlobeX
                else nan;
    case "From Low into Expansion Area":
        LowestLow_GlobeX_plot =
                if bn >= HighestAll(iterLowestBar_GlobeX)
                then LowestLow_GlobeX
                else nan;
    case "Entire Chart Time Frame":
        LowestLow_GlobeX_plot =
                 HighestAll(LowestLow_GlobeX);
}
## End Switch Code

## addChartBubble Code
input showGlobeX_LLowBubble = yes;
AddChartBubble(x_AxisLastExpansionBar and showGlobeX_LLowBubble, LowestLow_GlobeX_plot, "LowestLow_GlobeX", LowestLow_GlobeX_plot.TakeValueColor());
## End GlobeX Lowest Low Code
## End GlobeX Code
##  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===

## Begin RTH Code
## Begin RTH Highest High Code
## Inputs
input HighestHighRTH = {"Do Not Display",  "From High to Current Bar",  default  "From High into Expansion Area", "Entire Chart Time Frame"};

## Definitions (specific to this script)
## def RTH = GetTime() > RegularTradingStart(GetYYYYMMDD());
## def RTH_v2 = if time crosses above RegularTradingStart(GetYYYYMMDD()) then bn else RTH[1];
def iterHighestPrice_RTH = if RTH and !RTH[1]
            then initHigh
            else if RTH and initHigh > iterHighestPrice_RTH[1]
                then initHigh
            else iterHighestPrice_RTH[1];
        ## Iteratively discover the Highest Price occurring during the desired time period

def iterHighestBar_RTH = if RTH and initHigh == iterHighestPrice_RTH
            then bn
            else Double.NaN;
        ## Iteratively discover the bar at which the Highest Price occurrs

 def HighestHigh_RTH = if BarNumber() == HighestAll(iterHighestBar_RTH)
            then iterHighestPrice_RTH
            else HighestHigh_RTH[1];
        ## define a variable which is assigned a value equal to the Highest High
        ## beginning with the bar at which the highest high occurs and then
        ## assign that value (highest high) to any future bars

##  Switch Code
plot HighestHigh_RTH_plot;
HighestHigh_RTH_plot.SetDefaultColor(Color.CYAN);
switch (HighestHighRTH)
{
    case "Do Not Display":
        HighestHigh_RTH_plot = nan;
    case "From High to Current Bar":
        HighestHigh_RTH_plot =
                if Between(bn, HighestAll(iterHighestBar_RTH), currentBar)
                then HighestHigh_RTH
                else nan;
    case "From High into Expansion Area":
        HighestHigh_RTH_plot =
                if bn >= HighestAll(iterHighestBar_RTH)
                then HighestHigh_RTH
                else nan;
    case "Entire Chart Time Frame":
        HighestHigh_RTH_plot =
                HighestAll(HighestHigh_RTH);
}
## End Switch Code
## addChartBubble Code
input showRTH_HHighBubble = yes;

AddChartBubble(x_AxisLastExpansionBar and  showRTH_HHighBubble, HighestHigh_RTH_plot, "HighestHigh_RTH", HighestHigh_RTH_plot.TakeValueColor());
## End RTH Highest High Code
## Begin RTH Lowest Low Code
## Inputs
input LowestLowRTH = {"Do Not Display",  "From High to Current Bar", default  "From High into Expansion Area", "Entire Chart Time Frame"};

## Definitions
def iterLowestPrice_RTH = if RTH and !RTH[1]
            then initLow
            else if RTH and initLow < iterLowestPrice_RTH[1]
                then initLow
            else iterLowestPrice_RTH[1];

def iterLowestBar_RTH = if RTH and initLow == iterLowestPrice_RTH
            then bn
            else Double.NaN;

def LowestLow_RTH = if BarNumber() == HighestAll(iterLowestBar_RTH)
            then iterLowestPrice_RTH
            else LowestLow_RTH[1];

##  Switch Code
plot LowestLow_RTH_plot;
LowestLow_RTH_plot.SetDefaultColor(Color.CYAN);
switch (LowestLowRTH)
{
    case "Do Not Display":
            LowestLow_RTH_plot = nan;
    case "From High to Current Bar":
            LowestLow_RTH_plot =
                if Between(bn, HighestAll(iterLowestBar_RTH), currentBar)
                then LowestLow_RTH
                else nan;
    case "From High into Expansion Area":
            LowestLow_RTH_plot =
                if bn >= HighestAll(iterLowestBar_RTH)
                then LowestLow_RTH
                else nan;
    case "Entire Chart Time Frame":
            LowestLow_RTH_plot =
                HighestAll(LowestLow_RTH);
}
## End Switch Code

## addChartBubble Code
input showRTH_LLowBubble = yes;
AddChartBubble(x_AxisLastExpansionBar and showRTH_LLowBubble, LowestLow_RTH_plot, "LowestLow_RTH", LowestLow_RTH_plot.TakeValueColor());
## End RTH Lowest Low Code
## End RTH Code
##  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===  ===

## Begin CTF Code
## Begin CTF Highest High Code
## Begin Highest High Chart Time Frame
## Inputs
input HighestHighCTF = {"Do Not Display", "From High to Current Bar", default "From High into Expansion Area", "Entire Chart Time Frame"};

 
## Definitions (specific to this script)
def iterHighestPrice_CTF = HighestAll(vHigh);  # Highest High Price for the Chart Time Frame
def HighestHighBar_CTF = HighestAll(if vHigh == HighestAll(vHigh) then bn else nan);
##  Switch Code
plot HighestHigh_CTF_plot;
HighestHigh_CTF_plot.setDefaultColor(color.CYAN);
switch (HighestHighCTF)
{
    Case "Do Not Display":
        HighestHigh_CTF_plot = nan;
    Case "From High to Current Bar":
        HighestHigh_CTF_plot = if Between(bn, HighestHighBar_CTF, currentBar) then iterHighestPrice_CTF else nan;
    Case "From High into Expansion Area":
        HighestHigh_CTF_plot = if bn >= HighestHighBar_CTF then iterHighestPrice_CTF else nan;
    Case "Entire Chart Time Frame":
        HighestHigh_CTF_plot = iterHighestPrice_CTF;
}
## End Switch Code
## addChartBubble Code
input showCTF_HHighBubble = yes;
AddChartBubble(x_AxisLastExpansionBar and showCTF_HHighBubble, HighestHigh_CTF_plot, "HighestHigh_CTF", HighestHigh_CTF_plot.TakeValueColor());
## End CTF Highest High Code

## Begin CTF Lowest Low Code
## Inputs
input LowestLowCTF = {"Do Not Display", "From Low to Current Bar", default "From Low into Expansion Area", "Across Entire Chart"};
## Definitions (specific to this script)
def iterLowestPrice_CTF = LowestAll(vLow);
def iterLowestBar_CTF = HighestAll(if vLow == LowestAll(vLow) then bn else nan);

##  Switch Code
plot LowestLow_CTF_plot;
LowestLow_CTF_plot.setDefaultColor(color.CYAN);
switch (LowestLowCTF)
{
    Case "Do Not Display":
        LowestLow_CTF_plot = nan;
    Case "From Low to Current Bar":
        LowestLow_CTF_plot = if Between(bn, iterLowestBar_CTF, currentBar) then iterLowestPrice_CTF else nan;
    Case "From Low into Expansion Area":
        LowestLow_CTF_plot = if bn >= iterLowestBar_CTF then iterLowestPrice_CTF else nan;
    Case "Across Entire Chart":
        LowestLow_CTF_plot = iterLowestPrice_CTF;
}
## End Switch Code

## addChartBubble Code
input showCTF_LLowBubble = yes;
AddChartBubble(x_AxisLastExpansionBar and showCTF_LLowBubble, LowestLow_CTF_plot, "LowestLow_CTF", LowestLow_CTF_plot.TakeValueColor());
## End CTF Lowest Low Code
## End CTF Code
## End WIP_PickAPlotPlus_v0
 
Last edited by a moderator:
Hi,
Is it possible to have a script that can alert when price is approaching a support/resistance level? Would like to configure the support and resistance levels and be able to alert realtime at various timeframes. Thank you.
 
@thinkscript78 First, you need to identify support and resistance levels on your chart. You can use the Price Levels drawing tool provided by ThinkorSwim.

Then, right-click on each of your S/R level and select "Create alert with drawing..."

image.png
 
Trendlines serve as good support and resistance... good for a buy the dip approach. Here is a auto trendline that i found online, i modified it a little bit.

Appreciation goes a long way! Remember to hit like if you like my post!

PwQ0Cax.png


Code:
###### Auto Trend Line Plot  aka Auto Support and Resistance  Plot ########

###############################

input TrendLineLength1 = 150;

input TrendLineLength2 = 100;

input TrendLineLength3 = 50;



def Inertia1 = InertiaAll(close, TrendLineLength1);

def Inertia2 = InertiaAll(close, TrendLineLength2);

def Inertia3 = InertiaAll(close, TrendLineLength3);



def TL_Bull1 = Inertia1 - (HighestAll(AbsValue(Inertia1 - close)) * 0.5);

def TL_Bear1 = Inertia1 + (HighestAll(AbsValue(Inertia1 - close)) * 0.5);

def slope1a = TL_Bull1 > TL_Bull1[1];

def slope1b = TL_Bear1 > TL_Bear1[1];



def TL_Bull2 = Inertia2 - (HighestAll(AbsValue(Inertia2 - close)) * 0.8);

def TL_Bear2 = Inertia2 + (HighestAll(AbsValue(Inertia2 - close)) * 0.8);

def slope2a = TL_Bull2 > TL_Bull2[1];

def slope2b = TL_Bear2 > TL_Bear2[1];



def TL_Bull3 = Inertia3 - (HighestAll(AbsValue(Inertia3 - close)) * 0.8);

def TL_Bear3 = Inertia3 + (HighestAll(AbsValue(Inertia3 - close)) * 0.8);

def slope3a = TL_Bull3 > TL_Bull3[1];

def slope3b = TL_Bear3 > TL_Bear3[1];



#### Long length ####

plot TrendLine1a = if slope1a > 0 then TL_Bull1 else TL_Bear1;

TrendLine1a.SetStyle(curve.firm);

TrendLine1a.SetLineWeight(3);

TrendLine1a.SetDefaultColor(CreateColor(237, 116, 0));



plot TrendLine1b = if slope1b > 0 then TL_Bear1 else TL_Bull1;

TrendLine1b.SetStyle(curve.firm);

TrendLine1b.SetLineWeight(3);

TrendLine1b.SetDefaultColor(CreateColor(237, 116, 0));



#### Medium length ####

plot TrendLine2a = if slope2a > 0 then TL_Bull2 else TL_Bear2;

TrendLine2a.SetStyle(curve.medium_dash);

TrendLine2a.SetLineWeight(1);

TrendLine2a.SetDefaultColor(CreateColor(237, 116, 0));



plot TrendLine2b = if slope2b > 0 then TL_Bear2 else TL_Bull2;

TrendLine2b.SetStyle(curve.medium_dash);

TrendLine2b.SetLineWeight(1);

TrendLine2b.SetDefaultColor(CreateColor(237, 116, 0));



#### Short length ####

plot TrendLine3a = if slope3a > 0 then TL_Bull3 else TL_Bear3;

TrendLine3a.SetStyle(curve.firm);

TrendLine3a.SetLineWeight(4);

TrendLine3a.SetDefaultColor(CreateColor(237, 116, 0));

plot TrendLine3b = if slope3b > 0 then TL_Bear3 else TL_Bull3;

TrendLine3b.SetStyle(curve.firm);

TrendLine3b.SetLineWeight(4);

TrendLine3b.SetDefaultColor(CreateColor(237, 116, 0));





#emovaveragePlot3.SetDefaultColor(CreateColor(237, 116, 0));
 
Last edited by a moderator:
I am new to trading so to keep simple, I am trying to find script which could let me visualize as trend how many buyers and sellers standing for given stock volume wise. All my objective is to understand demand and supply which could help me see trend. Am I going into right direction?
 
@unkownriver Are you referring to reading the Level 2 data or identifying support/resistance levels?

In regards to identifying support and resistance levels, it's a great way to know at which price point or area where traders feel the market is unlikely to go above or below.

If you're interested in drawing your own support and resistance levels, I recommend starting with this guide: https://school.stockcharts.com/doku.php?id=chart_analysis:support_and_resistance
 
You would have to define what your interpretation of support and resistance is in detail in order to plot a column for it, there are 1000's of interpretations of support and resistance.

To describe further on this feature, I was thinking to have columns for the support/Resistance price based on time short term, mid term, long term or based on a time we set in the column. I'm using the dynamic S/R study on chart; it works great but something on columns would be nice to have. Seperate columns for support and resistance or something of a combination

For example we have 52 week high and low columns. So, for a stock in my watchlist if the price is at the support level, it will help to decide if we can enter the trade or not depending on the time(20D, 50D and even low or high per user requirement)
 
To describe further on this feature, I was thinking to have columns for the support/Resistance price based on time short term, mid term, long term or based on a time we set in the column. I'm using the dynamic S/R study on chart; it works great but something on columns would be nice to have. Seperate columns for support and resistance or something of a combination

For example we have 52 week high and low columns. So, for a stock in my watchlist if the price is at the support level, it will help to decide if we can enter the trade or not depending on the time(20D, 50D and even low or high per user requirement)
that would require you sharing the code to be able to scan against and share your exact idea more in detail in order to create any kind of possible watchlist.
 
@jauyzed Many members here come to the realization that trendlines, support and resistance, etc.. are best drawn manually.
There are just too many fribbles for a straight computation. That said, you have a point. We have 52 week high and lows which we use to guide our strategy so having an idea where the pivot points / computer-generated support and resistance are can provide some illumination.
In a few of the Mobius support and resistance threads in this forum, you will find a posting of mine that creates a label (which I also use as a watchlist) that provides the resistance price and calculates the percentage between it and the current price. I use that information to guide my entry decisions. If I am close to a resistance line, I generally pass. Here is an example. Just remember the fribbles. Computer-generated lines seldom represent reality.
 
Last edited:
@MerryDay I usually end up using 4-5 indicators to open a long position. Now BTD is another one I'm using now. Whenever I have to use S/R indicator, I switch between watchlist and chart to analyze any given equity which becomes tedious, trivial..whatever you may call it. Hence, I was looking for a way to find the equity in the watch list to guide as a starting point with S/R to analyze all the remaining indicators for the stock on the chart. S/R is mostly speculative based on the historic trends but gives me a start in the watchlist of 50+ stocks. Let me create a study with code you have pointed out and also a column to my WL. TY
 
Hello all!
Does anybody know if there's a function/indicator out there that automatically draws say an horizontal line on key intraday levels like Previous day close, previous day high, previous day low etc?
 
Not sure where I got this, but it does what you want, I believe.

#thinkscript indicator : OCHLO_levels

#It draws yesterday High, Low, Open, Close support and resistance line

#by thetrader.top



input sPeriod = {default DAY, WEEK, MONTH, QUARTER};

input iHigh = {default “yes”, “no”};

input iLow = {default “yes”, “no”};

input iClose = {default “yes”, “no”};

input iOpen = {default “yes”, “no”};

input iTodayOpen = {default “yes”, “no”};

plot pHigh = if !iHigh then high(period = sPeriod)[1] else Double.NaN;

plot pLow = if !iLow then low(period = sPeriod)[1] else Double.NaN;

plot pClose = if !iClose then close(period = sPeriod)[1] else Double.NaN;

plot pOpen = if !iOpen then open(period = sPeriod)[1] else Double.NaN;

plot pTodayOpen = if !iTodayOpen then open(period = sPeriod)[0] else Double.NaN;



pHigh.SetDefaultColor (Color.GREEN);

pHigh.SetPaintingStrategy(PaintingStrategy.DASHES);

pLow.SetDefaultColor(Color.RED);

pLow.SetPaintingStrategy(PaintingStrategy.DASHES);

pClose.SetDefaultColor (Color.GRAY);

pClose.SetPaintingStrategy(PaintingStrategy.DASHES);

pOpen.SetDefaultColor (Color.WHITE);

pOpen.SetPaintingStrategy(PaintingStrategy.DASHES);

pTodayOpen.SetDefaultColor (Color.WHITE);

pTodayOpen.SetPaintingStrategy(PaintingStrategy.DASHES);
 

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