Williams AD Indicator with Moving Average Crossover for ThinkorSwim

RyanC

New member
thinkorswim does have a "WilliamsAD" study but it is missing the simple moving average and does not show crossovers.


Code:
declare lower;

input length = 20;

plot ad = AccumDistBuyPr();
plot smoothed = SimpleMovingAvg(ad, length=length);

smoothed.AssignValueColor(Color.WHITE);

ad.DefineColor("Up", Color.GREEN);
ad.DefineColor("Down", Color.RED);
ad.AssignValueColor(if ad > smoothed then ad.color("Up") else ad.color("Down"));
 

markos

Well-known member
VIP
Try this, hopefully you can customize it. Generally, if TOS takes something out, it is because the Citizen CMT's asked for it that way when it was built. Sometimes it can be an error that gets thrown because of the original programming.
Did you check Williams books or papers to see if he had a preference? I'm just asking as I don't know.
This is an old version from what I can tell. Let us know what's going on. Thanks!
Code:
#
# thinkorswim, inc. (c) 2007
#

declare lower;

input length = 57;
input displace = 0;

def clMax = Max(close[1], high);
def clMin = Min(close[1], low);

def result = TotalSum(if close > close[1] then close - clMin else if close < close[1] then close - clMax else 0);

def ad_ma = Average(data = result[-displace], length = length);

plot WAD = result;
WAD.SetDefaultColor(GetColor(1));
WAD.HideBubble();

plot ADMA = ad_ma;
ADMA.SetDefaultColor(CreateColor(153,153,0));
ADMA.HideBubble();

Some notes from ThinkScript Lounge August 1, 2018:
14:30 Mobius: Scan for WilliamsAd is

AccumDistBuyPR() crosses above 0

14:30 Mobius: or below 0 or > 0 or < 0 whatever floats your boat
14:31 Mobius: if you use crosses it'd be best for it to be a dynamic watchlist scan
14:32 KC_Mama: Thank you everyone! I think I can do it now.
14:33 Mobius: lol it was just provided for you what's to do
14:34 KC_Mama: LOL!
14:34 Mobius: WillimsAD is the same code as AccumDistBuyPr() in TOS The WilliamsAD just references that code
14:36 Nube: Drats, now I gotta check to see if we can pass arguments to AccumDistBuyPr()
14:37 Nube: But also nice to know.
14:37 Mobius: What won't make sense to you is that when you get a signal from the scanner it's looking at the TotalSum of bars in a fixed range that may of may not match your charts range.
 
Last edited:

RyanC

New member
No, I could not find it in thinkorswim so I added the missing SMA to it with crossover colors. 57 might be the default value in books.
 

RyanC

New member
Markos gave you the code. It is also in ToS named "AccumDistBuyPr "

I know as mine uses it too. The WilliamsAD indicator in thinkorswim is only "AccumDistBuyPr". It only shows the raw value and not when it crosses the simple moving average.

ZeoGZgC.png


GiQNq6X.png
 
Last edited by a moderator:

tomsk

Well-known member
VIP
It is interesting to note that in the study that @markos posted above, a length of 57 was used in the Williams AD moving average, must be some sort of default period

I have cobbled up a simple version of the Williams AD based on the ThinkorSwim standard Williams AD study
Added a simple moving average of the 57 period, as well as added vertical lines that signify whenever a cross up or cross down occurred
Note that the simple moving average line is color coded depending on whether it is above or below the calculated Williams AD line

Here's the code

Code:
# Williams AD
# tomsk
# 11.26.2019

declare lower;

input MAlength = 57;

plot WAD = AccumDistBuyPr();
plot ZeroLine = 0;
WAD.SetDefaultColor(Color.Orange);
ZeroLine.SetDefaultColor(GetColor(5));

plot SMA = Average(WAD, MAlength) ;
SMA.SetDefaultColor(Color.Orange);
SMA.AssignValueColor(if SMA > WAD then Color.Green else Color.Red);

AddVerticalLine(WAD crosses above SMA, "Cross Up", Color.Green, Curve.Points);
AddVerticalLine(WAD crosses below SMA, "Cross Down", Color.Yellow, Curve.Points);
# End Williams AD
 
Last edited:

markos

Well-known member
VIP
Hey @tomsk That script at the top was something either I found or JQ scrounged up. Being from 2007, it predates TDA.
Curious as to the 57 DMA, I have no idea why it's there. Didn't Williams trade Commodities mostly?
 

tomsk

Well-known member
VIP
@markos For some reason even a Williams AD script that BLT posted in 2016 also used the 57 period.
It must be some sort of default that is generally used
 

markos

Well-known member
VIP
@tomsk if you are inclined to, could you, someday, ask BLT under what conditions, time frame, etc. he used it? Curious to know. ;)
 

tomsk

Well-known member
VIP
@markos Knowing his trading style, it was probably written for some user requester who had specific requirements
 
Last edited:

WhiteWindows2

New member
I am using the AccumDistBuyPr for charts. I am wondering if there's a way to input into Scan so I can tell if it's closer to 0% or 100%? Thank you.
 

HSI1600

Member
VIP
First, thank everyone in this community for sharing. You have differently increased my knowledge and lessen the learning curve. I took my first dive in writing code tonight to set up a scan to catch stock when the WAD crosses an EMA. If someone can take a look at the code and let me know if I am in the ballpark or outside still in the parking lot.

def data = reference WIlliamsAD()."WAD";
def ema = ExpAverage(close,14);
def crossingAbove = ema[1] < data[1] and ema > data;
def crossingBelow = ema[1] > data[1] and ema < data;
# scan for crossing above
#plot scan = crossingAbove;
# scan for crossing below
plot scan = crossingBelow;
 

DaysOff

New member
The 57 for the SMA period likely comes from Jake Bernstein's WAD moving average strategy. It seems to be a decent strategy.

It would be nice to know the calculation behind the AccumDistBuyPr function. I'm trying to work with the WAD in TradingView but having a hard time finding the 'correct' code for the WAD indicator. There's several out there but they seem to yield different outputs.
 

BigH

New member
Jake Bernstein's Moving Average Channel strategy (or WAD as you say)
@DaysOff, Here are the details:

Set-Up
Upper Indicators
  • Use HLOC price bars
  • Use daily bars but other periods should work
  • 10-period simple moving average of high (red line)
  • 8-period simple moving average of low (green line)
Lower Indicators
  • Williams Accumulation/Distribution (WAD)
  • 57-period simple moving average of Williams AD

Buy Triggers
You have three options (choices) for buying:

Option One
  • Two consecutive bars above the top of the channel (red line)
  • AND Williams AD above its 57-SMA
  • BUY
  • Risk or Stop-Loss is 2x width of the channel (2x distance between green and red lines)
Option Two
  • Wait for 5 consecutive price bars above the red line
  • BUY on the 5th bar
  • Profit target should be the distance between the highest price bar and lowest price bar
Option Three
  • Wait for price to drop into the channel or below the green line before buying
  • This is more conservative but risky because you could miss lots of profit
 
Last edited by a moderator:

GiantBull

New member
The 57 MA works nicely on the 1m and 5m timeframes. I noticed that crossovers on the 1m chart can be nice scalping opportunities and on the 5m pullback to ADMA work nicely when the market is trending.
 

jaricarr

New member
Here is a version of WAD with 2 MA's with color. I find them to be useful. WAD 2MAs



# Williams AD with 2MAs

declare lower;

input MAlength = 21;
input MAlength2 = 200;

plot WAD = AccumDistBuyPr();
WAD.SetDefaultColor(Color.ORANGE);

plot SMA = Average(WAD, MAlength) ;
SMA.SetDefaultColor(Color.ORANGE);

SMA.SetLineWeight(1);
SMA.AssignValueColor(if SMA < WAD then Color.Light_GREEN else Color.Dark_Red);

WAD.SetLineWeight(2);
WAD.AssignValueColor(if WAD > SMA then Color.GREEN else Color.Light_RED);

plot SMA2 = Average(WAD, MAlength2);
SMA2.SetLineWeight(2);
SMA2.AssignValueColor(if SMA2 < WAD then Color.Light_GREEN else Color.Dark_Red);

plot ZeroLine = 0;
ZeroLine.SetDefaultColor(GetColor(5));

# End Williams AD
 

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