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Hi. I use an approach similar to Antonio's except mine is based on types of
symbols, not specific symbols. Standard symbols ("Price" below) are one
type, "Mutual Funds" are another type, "Index" is a third type.
In a chart I have this function to plot the MA:
PlotMA(Name(), "Price", C, "Short");
In my Include file I have two functions - PlotMA and MAPeriodsGet.
MAPeriodsGet, gets the number of periods based on the type. PlotMA calls
MAPeriodsGet and then plots the MA. The code is below. Note that I have
several types of ATC symbols (Money Flow, AD, New Hi/Low) that do NOT have
the MA plotted. That's what the "if(CurSymbolType == ..." code is for.
I hope this helps.
Regards,
Dan.
function PlotMA(Symbol, CurSymbolType, Field, MALengthCategory)
{
//Get Num MA Periods
MAPeriods = MAPeriodsGet(Symbol, CurSymbolType, MALengthCategory);
//Title
if(MALengthCategory == "Tiny")
MATitle = "Tiny MA";
else if(MALengthCategory == "Short")
MATitle = "Short MA";
else if(MALengthCategory == "Mid")
MATitle = "Mid MA";
else if(MALengthCategory == "Long")
MATitle = "Long MA";
else if(MALengthCategory == "Very Long")
MATitle = "Very Long MA";
//Now Plot the pup IF this is a price or index, otherwise NOT
if (CurSymbolType == "Price" OR CurSymbolType == "Index" OR
CurSymbolType == "MutualFund" )
{
Plot( MA( C, MAPeriods ), MATitle + "(" + NumToStr(MAPeriods , 1.0) +
")", ParamColor( "Color", colorCycle ), ParamStyle("Style") + styleNoRescale
+ styleNoLabel );
}
}
function MAPeriodsGet(Symbol, SymbolType, MALengthCategory)
{
/*
** Return an MA number of periods given the type of symbol.
** and MALengthCategory
*/
Periods = 0;
if (SymbolType == "Price" )
{
if(MALengthCategory == "Tiny")
Periods = 4;
if(MALengthCategory == "Short")
Periods = 10;
else if(MALengthCategory == "Mid")
Periods = 21;
else if(MALengthCategory == "Long")
Periods = 50;
else if(MALengthCategory == "Very Long")
Periods = 200;
}
else if (SymbolType == "MutualFund" )
{
if(MALengthCategory == "Short")
Periods = 20;
else if(MALengthCategory == "Mid")
Periods = 50;
else if(MALengthCategory == "Long")
Periods = 185;
else if(MALengthCategory == "Very Long")
Periods = 325;
}
else if (SymbolType == "Index" )
{
if ( StrLeft(Symbol, 12) == "~Index_USMkt"
OR StrLeft(Symbol, 12) == "~Index_ADRMkt"
OR StrLeft(Symbol, 1) == "!")
{
//Standard Indexes
if(MALengthCategory == "Short")
Periods = 30;
else if(MALengthCategory == "Mid")
Periods = 50;
else if(MALengthCategory == "Long")
Periods = 185;
else if(MALengthCategory == "Very Long")
Periods = 325;
}
else
{
//Sector or industry Indices
if(MALengthCategory == "Short")
Periods = 20;
else if(MALengthCategory == "Mid")
Periods = 50;
else if(MALengthCategory == "Long")
Periods = 150;
else if(MALengthCategory == "Very Long")
Periods = 225;
}
}
else
Periods = 0;
return Periods ;
}
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Antonio Marra
Sent: Thursday, November 03, 2005 5:16 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] custom indicator question
Hi,
Are You searching for a solution like this one?
Regards,
Antonio
//XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
//if You want to create a 3rd list, simply add a statement
//like this and another "else if...".
List_1 = Name() == "^AORD" OR
Name() == "^N225" OR
Name() == "^AFLI";
List_2 = Name() == "AAC.AX" OR
Name() == "AAT.AX";
List_1_MA = Param("MA List 1",20,2,1000,1);
List_2_MA = Param("MA List 2",30,2,1000,1);
Others_MA = Param("MA Others",40,2,1000,1);
if (List_1)
{
PER = List_1_MA;
}
else if (List_2)
{
PER = List_2_MA;
}
else
{
PER = Others_MA;
}
Plot(MA(C,PER),"MOV AVG("+PER+")",colorRed,styleLine);
//XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of rasepi
Sent: Thursday, November 03, 2005 11:50 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] custom indicator question
for one custom sheet
example "moving average"
how can i personalize a different period for different stocks
ex for gnbt i will show a 10 ma
for nvax i will show a 12 ma
it is possible?
when I choose a period with Param its allways the same for all stocks
thanks for the experts that helps the beginners
i am on the way to finalise the float channel indicator without vbscript
the float must be parametred manually for each stock
i will share the code when finished
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