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VSA for ThinkorSwim
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VSA for ThinkorSwim

  #91 (permalink)
Trading for Profit
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Futures Experience: Beginner
Platform: ThinkOrSwim
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Posts: 256 since Aug 2010
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Quoting 
green - short term up, mid term up, long term up
light green - short term up, mid term up, long term down
lime green bar - short term up, mid term down, long term down
red bar - short term down, mid term down, long term down
lime green bar - short term down, mid term up, long term up
orange bar - short term down, mid term down, log term up
yellow bar - anything not matching the above.


Thanks for the info. Is there any clarification of what is considered short term, mid term and long term? I would guess they would be the same as from the Investopedia website:

Short Term (from minutes to hours, i.e. Day Trading)
Mid Term (within one to four days, i.e. Swing Trading)
Long Term (from months to years, i.e. Position Trading)

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  #92 (permalink)
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StockJock View Post
Thanks for the info. Is there any clarification of what is considered short term, mid term and long term? I would guess they would be the same as from the Investopedia website:

Short Term (from minutes to hours, i.e. Day Trading)
Mid Term (within one to four days, i.e. Swing Trading)
Long Term (from months to years, i.e. Position Trading)

From the source code:

 
Code
                            
# Trend Definitions
rec fiveDaysSma compoundValue(5Average(close5)[0], Double.NaN);
def LongTermTrendSlope LinearRegressionSlope(price fiveDaysSmalength 40)[0];
def MiddleTermTrendSlope LinearRegressionSlope(price fiveDaysSmalength 15)[0];
def ShortTermTrendSlope LinearRegressionSlope(price fiveDaysSmalength 5)[0]; 
Regards,
-C

Strategy without tactics is the slowest route to victory. Tactics without strategy is the noise before defeat. - Sun Tzu
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  #93 (permalink)
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Thanks very much. Yes, a lot can be learned by reading the code. This is another reason I'm searching for the document that tells me the reasons behind the lines of code. I'm not sure how he arrived at a 5 day SMA and then took the linear regression of it among other question I have of the code. I may have to send the original programmer an email, if I can find his email address.

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  #94 (permalink)
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Quoting 
green - short term up, mid term up, long term up
light green - short term up, mid term up, long term down
lime green bar - short term up, mid term down, long term down
red bar - short term down, mid term down, long term down
lime green bar - short term down, mid term up, long term up
orange bar - short term down, mid term down, log term up
yellow bar - anything not matching the above.

I noticed that the lime green color is mentioned twice including all time frames in both directions and I was wondering what this color is supposed to indicate? Any ideas? Also, anyone have any idea of what is meant by up and down. Does that refer to bullish and bearish or supply up/down or demand up/down?


Quoting 
lime green bar - short term up, mid term down, long term down
lime green bar - short term down, mid term up, long term up


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  #95 (permalink)
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StockJock View Post
I noticed that the lime green color is mentioned twice including all time frames in both directions and I was wondering what this color is supposed to indicate? Any ideas? Also, anyone have any idea of what is meant by up and down. Does that refer to bullish and bearish or supply up/down or demand up/down?

I thought the same thing the first time I saw that list. What at first glance appears to make no sense does if you consider that Lime Green is the first stage of an Uptrend beginning and the first indication of that Uptrend ending. It becomes more clear if the list is re-ordered. If you watch the "ups" propagate from short to mid to long on the way up and the "downs" propagate from short to mid to long on the way down it makes more sense.

lime green bar - short term up, mid term down, long term down
light green - short term up, mid term up, long term down
green - short term up, mid term up, long term up
lime green bar - short term down, mid term up, long term up
orange bar - short term down, mid term down, long term up
red bar - short term down, mid term down, long term down
yellow bar - anything not matching the above.

"Up" means rising prices, "Down" means falling prices.

All of that being said, it might make more sense to change the second Lime Green to Yellow and change the current Yellow ("anything not matching the above") to White or very light Grey. That would match the new symbol color scheme much better.


Last edited by snowcloud; September 9th, 2010 at 11:25 AM.
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  #96 (permalink)
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StockJock View Post
I noticed that the lime green color is mentioned twice including all time frames in both directions and I was wondering what this color is supposed to indicate? Any ideas? Also, anyone have any idea of what is meant by up and down. Does that refer to bullish and bearish or supply up/down or demand up/down?

This point was brought up on previous posts and not just with this particular item. There's a lot of questionable items the author put in the NT version. Obviously, it means something to him or her, but that has been lost along the way since there are no comments in the code about why certain things were implemented the way they were.

That being said, I think the author did a great service to the VSA community and the trader community as a whole by trying to qualify in computer code what William's was trying to describe about supply and demand and how to identify smart money on the move.

Regards,
-C

Strategy without tactics is the slowest route to victory. Tactics without strategy is the noise before defeat. - Sun Tzu
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  #97 (permalink)
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Yes, we should appreciate the time and effort that Karthik Marar put into devoping the VPA indicator. His blog on Volume Price Analysis has explanations of some of the terminology in his indicator. This is part of the evolution of Wyckoff's Method of Trading which Tom Williams terms as Volume Spread Analysis. Will you be changing one of the lime greens to another color?

Reversal and Retracement
No Supply Bar
Reverse Upthrust
Stopping Volume
Effort without Result
Weakness
What to do when we see an Upthrust?
Pseudo Upthrusts
What is an Upthrust Bar?
Mark Down
Distribution
Mark Up
How one checks if the congestion area is really an accumulation area?
Introduction to UpThrust Bar


Last edited by StockJock; September 9th, 2010 at 01:50 AM.
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  #98 (permalink)
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I'll let @snowcloud do the updates since he's taking over the development

Your links to the discussion about each bar type is good to have for this thread. Users would be wise to keep those handy while learning to use this indicator.

Regards,
-C



StockJock View Post
Yes, we should appreciate the time and effort that Karthikmarar put into devoping the VPA indicator. His blog on Volume Price Analysis has explanations of some of the terminology in his indicator. This is part of the evolution of Wyckoff's Method of Trading which Tom Williams terms as Volume Spread Analysis. Will you be changing one of the lime greens to another color?

Reversal and Retracement
No Supply Bar
Reverse Upthrust
Stopping Volume
Effort without Result
Weakness
What to do when we see an Upthrust?
Pseudo Upthrusts
What is an Upthrust Bar?
Mark Down
Distribution
Mark Up
How one checks if the congestion area is really an accumulation area?
Introduction to UpThrust Bar


Strategy without tactics is the slowest route to victory. Tactics without strategy is the noise before defeat. - Sun Tzu
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  #99 (permalink)
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StockJock View Post
Will you be changing one of the lime greens to another color?

At some point I probably will but want to wait until there's a critical mass of changes that need to be made or should be made. So far, there's not enough feedback about how the study is working. I have some of my own ideas but want to hear more from traders about what works and what doesn't.

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  #100 (permalink)
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If you're accumulating items for a todo list. I might add to change both lime green colors to some other colors to make those bars more distint from the green bars.


Last edited by StockJock; September 9th, 2010 at 03:10 PM.
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