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Worden Discussion Forum » Customer Training & Support » Ask a Trainer - TC2000 version 7 » % True Indicator

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klic
Posted : Saturday, August 22, 2009 10:59:26 PM
Registered User
Joined: 8/4/2006
Posts: 8
 Hello,

I am having some trouble with a % True indicator that I have written in Telechart.

I have written a % True indicator to tell when the 100 day exponential average of the low is greater than or equal to the 100 day exponential average of the low 10 days ago. The formula is xavgL100>=xavgL100.10.

This should give a line at the top of the window when true and at the bottom if false.

The problem I am having is that the line does not always show up at the top of my window when it should. I have the 100 day exponential moving average showing in the top pane with price and the % True indicator in the middle pane. As of tonight I have a watchlist of 94 stocks where the condition is true as I can easily tell by looking at the moving average in the top pane. The indicator is appearing at the top of the middle pane in 80 of the charts, but not in the other 14 even though you can tell the moving average has been rising.

Does anyone have any ideas on why this indicator appears to be working on some charts and not others?

Thanks.
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Bruce_L
Posted : Monday, August 24, 2009 11:35:11 AM


Worden Trainer

Joined: 10/7/2004
Posts: 65,138
QUOTE (klic)
This should give a line at the top of the window when true and at the bottom if false.

This can be True, but this is not always the case. A Custom Percent True Indicator is actually autoscaled. What this means is that the highest point reached during the visible portion of the Chart is Plotted at the top of the Chart and the lowest point reached during the visible portion of the Chart is Plotted at the bottom of the Chart.

If the Indicator was always True or always False during the visible portion of the Chart, this means that the Scale has no range. What actually happens is that some padding is added to the Scale and a very small Range is shown for the Value Scale... but that the line doesn't visibly Plot on the Chart because it is at the very bottom of the Value Scale.
-Bruce
Personal Criteria Formulas
TC2000 Support Articles
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klic
Posted : Monday, September 7, 2009 4:15:52 PM
Registered User
Joined: 8/4/2006
Posts: 8
 Bruce,

Thanks for your help.  I guess I was intepreting the indicator wrong. I was thinking always true would show "always" show at the top and false would "always" show at the bottom. 

Thanks for the explanation.
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Bruce_L
Posted : Tuesday, September 8, 2009 8:09:00 AM


Worden Trainer

Joined: 10/7/2004
Posts: 65,138
 You're welcome.
-Bruce
Personal Criteria Formulas
TC2000 Support Articles
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