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Support and Resistance Indicator

Formula for: TradeStation

indicator


 

 

Views:  1997

Added: August 01, 2008
 
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Tags: TradeStation, indicator
 
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In our Traders' Tip this month, we'll focus on the support and resistance oscillators detailed by Mel Widner in "Automated support and resistance." The EasyLanguage code shown uses two functions, WRO and WSO, to provide the calculations for the support and resistance oscillator.
Before creating the support-resistance indicator, the WRO and WSO functions must first be created and verified in the Power Editor.



Type: Function, Name: WSO
Inputs:
Strength(Numeric),
Length(Numeric);
Vars:
SCalc(0);

Array: Support[100](0);
Condition1 = SwingLow(1, Low, Strength, Strength+1) <> -1;
IF Condition1 Then Begin
For value1 = 100 DownTo 2 Begin
Support[value1] = Support[value1-1];
End;
Support[1] = Low[Strength];
End;
IF Support[Length] <> 0 Then Begin
SCalc = 0;
For value1 = 1 To Length Begin
SCalc = SCalc + IntPortion(Support[value1] / Close);
End;
WSO = 100 * (1 - (SCalc / Length));
End Else
WSO = 0;





Type: Function, Name: WRO

Inputs:
Strength(Numeric),
Length(Numeric);
Vars:
RCalc(0);

Array: Resist[100](0);
Condition1 = SwingHigh(1, High, Strength, Strength+1) <> -1;
IF Condition1 Then Begin
For value1 = 100 DownTo 2 Begin
Resist[value1] = Resist[value1-1];
End;
Resist[1] = High[Strength];
End;
IF Resist[Length] <> 0 Then Begin
RCalc = 0;
For value1 = 1 To Length Begin
RCalc = RCalc + IntPortion(Resist[value1] / Close);
End;
WRO = 100 * (1 - (RCalc / Length));
WRO = 0;
end




Once the WRO and WSO functions have been created and verified, the support-resistance indicator can then be created. Because the necessary calculations have already been taken care of by the functions, building the indicator is quite simple.




Type: Indicator, Name: Support-Resistance
Inputs: Strength(4), Length(6);
Plot1(WSO(Strength, Length), "SupportOsc");
Plot2(WRO(Strength, Length), "ResistOsc");






This EasyLanguage code is also available at Omega Research's Web site; the name of the file is "SuppRes.ela." Please note that all Traders' Tips and techniques that are posted at the site can be utilized by either TradeStation or SuperCharts. Whenever possible, the posted analysis techniques will include both QuickEditor and PowerEditor formats.
-- Gaston Sanchez, Omega Research 800 422-8587, 305 270-1095
Internet: http://www.omegaresearch.com

 

 



Code:

Type: Function, Name: WSO
Inputs:
Strength(Numeric),
Length(Numeric);
Vars:
SCalc(0);

Array: Support[100](0);
Condition1 = SwingLow(1, Low, Strength, Strength+1) <> -1;
IF Condition1 Then Begin
For value1 = 100 DownTo 2 Begin
Support[value1] = Support[value1-1];
End;
Support[1] = Low[Strength];
End;
IF Support[Length] <> 0 Then Begin
SCalc = 0;
For value1 = 1 To Length Begin
SCalc = SCalc + IntPortion(Support[value1] / Close);
End;
WSO = 100 * (1 - (SCalc / Length));
End Else
WSO = 0;




Type: Function, Name: WRO

Inputs:
Strength(Numeric),
Length(Numeric);
Vars:
RCalc(0);

Array: Resist[100](0);
Condition1 = SwingHigh(1, High, Strength, Strength+1) <> -1;
IF Condition1 Then Begin
For value1 = 100 DownTo 2 Begin
Resist[value1] = Resist[value1-1];
End;
Resist[1] = High[Strength];
End;
IF Resist[Length] <> 0 Then Begin
RCalc = 0;
For value1 = 1 To Length Begin
RCalc = RCalc + IntPortion(Resist[value1] / Close);
End;
WRO = 100 * (1 - (RCalc / Length));
WRO = 0;
end






Type: Indicator, Name: Support-Resistance
Inputs: Strength(4), Length(6);
Plot1(WSO(Strength, Length), "SupportOsc");
Plot2(WRO(Strength, Length), "ResistOsc");


 






Author: Mel Widner
Source: http://www.traders.com

 

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