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Bid-Ask Pressure Indicator for Tradestation
Software Version: , by Soultrader (Founder of TL!) Soultrader is offline
Developer Last Online: May 2008

Trading Platform: Rating: -
Release Date: 11-17-2006 Last Update: n/a Installs: 48

This is a bid-ask pressure indicator for Tradestation trading platform. All credits go out to the author of this indicator from the Tradestation forum alias lleibfarth.

Here is a description from his post:

Description: This indicator is a smoothed version of the TS indicator Bid & Ask Vol Ratio and works with real-time, intraday charts. The intent is to provide more usable information about the current ratio of bid/ask volume. This indicator will not work on historical data (it must be used during a live intraday market) and is relative to the chart interval on which it is used. I have found this indicator to be most useful in shorter charting intervals.

How it works: The data is smoothed using a double-smoothed exponential average that heavily weighs the most recent ratios. This provides a relatively predictable curve (or histogram) that tracks changes very quickly. In addition, a logarithmic ratio is used to provide a zero-line reference (and color change). "

Screenshot:


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By TinGull on 11-17-2006, 01:41 PM
Re: Bid-Ask Pressure Indicator for Tradestation

Glad you found it useful!
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  1 links from elsewhere to this Post. Click to view. #1 (permalink)  
By namstrader on 11-18-2006, 09:26 AM
Re: Bid-Ask Pressure Indicator for Tradestation

Thanks so much Tingull
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  #2 (permalink)  
By TinGull on 11-18-2006, 11:19 AM
Re: Bid-Ask Pressure Indicator for Tradestation

Anytime
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  #3 (permalink)  
By Agora on 11-01-2007, 04:29 AM
Re: Bid-Ask Pressure Indicator for Tradestation

Is there anyway that this can be converted to ELS (2000i) version? Or I can get the code so that I can do it myself?

Thanks
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By Blu-Ray on 11-01-2007, 05:45 AM
Re: Bid-Ask Pressure Indicator for Tradestation

Quote:
View Post
Is there anyway that this can be converted to ELS (2000i) version? Or I can get the code so that I can do it myself?

Thanks
Here you go ...........



inputs:
Period(20),
UpColor(green),
DownColor(red);

variables:
MyVol(0),
Color(yellow),
SmoothedBA(0),
Length(squareroot(Period) ),
intrabarpersist MyCurrentBar(0),
intrabarpersist VolumeAtBid(0),
intrabarpersist VolumeAtAsk(0),
intrabarpersist BAVolRatio(0),
intrabarpersist VolTmp(0);

if LastBarOnChart and BarStatus(1) <> 2 then begin
MyVol = Iff(BarType < 2, Ticks, Volume);
if CurrentBar > MyCurrentBar then begin
VolumeAtBid = 0;
VolumeAtAsk = 0;
BAVolRatio = 0;
VolTmp = 0;
MyCurrentBar = CurrentBar;
end;
if InsideBid < InsideAsk then begin
if Close <= InsideBid then
VolumeAtBid = VolumeAtBid + MyVol - VolTmp
else if Close >= InsideAsk then
VolumeAtAsk = VolumeAtAsk + MyVol - VolTmp ;
end;
if VolumeAtBid > 0 and VolumeAtAsk > 0 then BAVolRatio = Log( VolumeAtAsk / VolumeAtBid );
VolTmp = MyVol ;
end ;
SmoothedBA = xaverage(xaverage(BAvolra tio, Length), Length);
if SmoothedBA <= 0 then color = DownColor else color = UpColor;

plot1(SmoothedBA, "Pressure", color);
Plot2( 0, "ZeroLine" ) ;


Cheers

Blu-Ray
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  #5 (permalink)  
By Agora on 11-01-2007, 07:49 AM
Re: Bid-Ask Pressure Indicator for Tradestation

Blu-ray,

Wow, thanks and so fast! Great customer service!

A
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By bubba on 01-06-2008, 11:21 PM
Re: Bid-Ask Pressure Indicator for Tradestation

has anyone succeeded in plotting this indicator w/ ts2000i?
it appears it's way beyond my level..
oh, and the same w/ the bid/ask tape indicator. i'll keep trying.
is it missing a function perhaps, that's in the later versions of TS?
2000i doesn't recognize 'insideBid' or 'insideAsk', so i've been trying to replace them. also the 'intrabarpersist' is not known in 2000i..

:edit: could be it's just not doable in 2000i
Last edited by bubba; 01-06-2008 at 11:27 PM.
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By TRADER1972 on 02-14-2008, 05:32 PM
Re: Bid-Ask Pressure Indicator for Tradestation

Thanks for sharing this indicator. I just learned about it today. It seems like it has good potential to identify buy and sell points. Anyone here have experience with this indicator they would like to share?
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By drvictorho on 03-20-2008, 03:20 PM
Re: Bid-Ask Pressure Indicator for Tradestation

This is a good indicator, but may be i am old and like things visual. Is it possible for someone to code it so that on the histogram and up bar is green and if it goes down the histogram bar is red?? Because if you look at the indicator, it can tell bottoms and tops of the wave form very well as compared to price action. A change in color of the histogram bar would be great.....thanks !!!
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