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Re: [amibroker] Re: Coding assistance.

To: <amibroker@xxxxxxxxxxxxxxx>
Subject: Re: [amibroker] Re: Coding assistance.
From: "Anthony Faragasso" <ajf1111@xxxxxxxx>
Date: Mon, 21 Mar 2005 21:36:54 -0500

PureBytes Links

Trading Reference Links

Here is a second version, corrects the first.:

EnableScript ( "jscript" );

comfirmDays=3; boxAtHighConfirm=1;

startState=comfirmDays+1; endState=startState+comfirmDays;

Low = VBArray( AFL ("L" ) ).toArray();

High = VBArray( AFL ("H") ).toArray();

boxArr1 = new Array(); boxArr2 = new Array();

stateArr = new Array();

state = stateArr[0] = 1; boxStart = 0;

boxTop = High[0]; boxBot = 0; swap=0;

function fillBox(start, end) {

if (boxAtHighConfirm) {

for (j=end-1; stateArr[j+1]!=1; j--) {

boxArr1[j] = swap ? boxTop : boxBot;

boxArr2[j] = swap ? boxBot : boxTop;

}

oldBot = swap ? boxArr1[start-1] : boxArr2[start-1];

lineLevel = boxBot > oldBot ? boxBot : boxTop;

for (k=start; k<=j; k++)

boxArr1[k] = boxArr2[k] = lineLevel;

}

else

for (j=start; j<end; j++) {

boxArr1[j] = swap ? boxTop : boxBot;

boxArr2[j] = swap ? boxBot : boxTop;

}

}

for (i=1; i<Low.length; i++) {

if (state==endState) {

if (boxBot>Low[i] || boxTop<High[i]) {

fillBox(boxStart, i);

state = 1; swap = !swap;

boxTop = High[i]; boxStart = i;

}

}

else if (boxTop>High[i]) {

if ((state<startState) || (boxBot<Low[i]) ) state++;

else state=startState;

if (state==startState) boxBot=Low[i];

}

else {

state=1; boxTop=High[i]; }

stateArr[i] = state;

}

fillBox(boxStart, Low.length);

AFL.Var("boxSide1") = boxArr1;

AFL.Var("boxSide2") = boxArr2;

AFL.Var("state") = stateArr;

AFL.Var("endState") = endState;

Plot(C, "", 1, 128);

Plot(boxSide1, "Side1", state+1,512);

Plot(boxSide2, "Side2", state+1,512);

boxTop = Max(boxSide1,boxSide2); boxBot = Min(boxSide1,boxSide2);

endBox = Ref(state==endState, -1);

Buy = H>Ref(boxTop,-1) AND endBox; Sell = L<Ref(boxBot,-1) AND endBox;

BuyPrice = IIf(Open>Ref(boxTop,-1), Open, Ref(boxTop,-1) );

SellPrice = IIf(Open<Ref(boxBot,-1), Open, Ref(boxBot,-1) );

Title= "DarvaBox for:"+Name() +" state("+WriteVal(state,1)+")"

+" Bottom:"+WriteVal(boxBot, 1.2)

+" Top:"+WriteVal(boxTop,1.2);

----- Original Message -----

From: alex huynh

To: amibroker@xxxxxxxxxxxxxxx

Sent: Monday, March 21, 2005 8:50 PM

Subject: Re: [amibroker] Re: Coding assistance.

Anthony,

I am glad to but I have not learn how to take a shoot at the graph and I would like to learn how to attach picture that is display in the email so the viewers don't have to download.

Alex

Anthony Faragasso <ajf1111@xxxxxxxx> wrote:

Alex,

Could you show what this looks like in Metastock chart

Anthony

----- Original Message -----

From: alex huynh

To: amibroker@xxxxxxxxxxxxxxx

Sent: Monday, March 21, 2005 7:19 PM

Subject: Re: [amibroker] Re: Coding assistance.

Anthony,

Yes this code is a conversion from metastock "How I made 2 million on the stockmarket" by Jason Prestwidge. The bottom is original of code.

Periods:=Input("periods",1,260,260); Topbox:=If(Ref(H,-3)>=Ref(HHV(H,Periods),-4) AND Ref(H,-2)<Ref(H,-3) AND Ref(H,-1)<Ref(H,-3) AND H< Ref(H,-3),Ref(H,-3),PREVIOUS);

Botbox:=If(Ref(H,-3)>=Ref(HHV(H,Periods),-4) AND Ref(H,-2)<Ref(H,-3) AND Ref(H,-1)<Ref(H,-3) AND H< Ref(H,-3),LLV(L,4),PREVIOUS);

Topbox;
Botbox;

Anthony Faragasso <ajf1111@xxxxxxxx> wrote:

Alex,

This code you have posted is incomplete , is this a conversion from metastock ?

Do you have original ?

Can you explain what this code in english ?

Anthony

----- Original Message -----

From: alex huynh

To: amibroker@xxxxxxxxxxxxxxx

Sent: Monday, March 21, 2005 6:49 PM

Subject: Re: [amibroker] Re: Coding assistance.

Anthony,

Periods=Param("periods",260,1,260,1);

Topbox=IIf(Ref(H,-3)>=Ref(HHV(H,Periods),-4) AND Ref(H,-2)<Ref(H,-3) AND Ref(H,-1)<Ref(H,-3) AND H< Ref(H,-3),Ref(H,-3),PREVIOUS);

Plot(Topbox,"Topbox",colorRed,1);

Botbox=IIf(Ref(H,-3)>=Ref(HHV(H,Periods),-4) AND

Ref(H,-2)<Ref(H,-3) AND Ref(H,-1)<Ref(H,-3) AND H< Ref(H,-3),LLV(L,4),PREVIOUS);

Plot(Botbox,"Botbox",colorGreen,1);

That's the code but I don't know "PREVIOUS" what they prefer to!!!

Anthony Faragasso <ajf1111@xxxxxxxx> wrote:

Tom,

Try this:

Cond=L > Ref(L,-1) AND H > Ref(H,-1);

Cond2=BarsSince(Cond < 1);

Filter=1;

AddColumn(Cond2,"");

----- Original Message -----

From: carstuff

To: amibroker@xxxxxxxxxxxxxxx

Sent: Monday, March 21, 2005 4:35 PM

Subject: RE: [amibroker] Re: Coding assistance.

Is it possible to have Higher Highs AND Higher Lows show at the same time.

Thank you

Tom

-----Original Message-----
From: Anthony Faragasso [mailto:ajf1111@xxxxxxxx]
Sent: Monday, March 21, 2005 12:30 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Re: Coding assistance.

trendingup=BarsSince(L < Ref(L,-1));

trendingdown=BarsSince(H > Ref(H,-1));

Filter=1;

AddColumn(trendingup,"up",1);

AddColumn(trendingdown,"down",1);

----- Original Message -----

From: carstuff

To: amibroker@xxxxxxxxxxxxxxx

Sent: Monday, March 21, 2005 2:04 PM

Subject: RE: [amibroker] Re: Coding assistance.

Anthony,

Again, thank you. What I am trying to determine is how many days in a row the stock is setting higher highs and higher lows, as opposed to a moving average. Is this possible to code?

Tom

-----Original Message-----
From: Anthony Faragasso [mailto:ajf1111@xxxxxxxx]
Sent: Saturday, March 19, 2005 4:17 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Re: Coding assistance.

Tom,

You have yet to define what you consider as trending....here is another sample:

periods=Param("periods",10,1,100,1);//N period moving average

trendingup=BarsSince(L < MA(L,periods));

trendingdown=BarsSince(H > MA(H,periods));

Filter=1;

AddColumn(trendingup,"up",1);

AddColumn(trendingdown,"down",1);

Anthony

----- Original Message -----

From: carstuff

To: amibroker@xxxxxxxxxxxxxxx

Sent: Friday, March 18, 2005 5:53 PM

Subject: RE: [amibroker] Re: Coding assistance.

Thank you. I ran your script and realized that I asked the wrong question. What I am trying to determine is if the price has been in a "continuous" up or down trend for n periods.

Tom

-----Original Message-----
From: Anthony Faragasso [mailto:ajf1111@xxxxxxxx]
Sent: Friday, March 18, 2005 12:11 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Re: Coding assistance.

Depends on how you want to define trending Higher or lower..Here is a sample explore...

//Automatic analysis

//Explore

//all symbols

//n last quotations

//n=1

periods=10;

trending=ROC(C,periods);

trendingUP=trending > 0;

trendingDown=trending < 0;

state=WriteIf(trendingup,"trendingUP for ("+WriteVal(periods,1)+") periods ","trendingdown for ("+WriteVal(periods,1)+")periods");

Filter=1;

AddTextColumn(state,"State");

----- Original Message -----

From: carstuff

To: amibroker@xxxxxxxxxxxxxxx

Sent: Friday, March 18, 2005 12:39 PM

Subject: [amibroker] Re: Coding assistance.

Would someone be able to tell me how to write a condition to a scan that says 'if prices are trending either higher or lower for n periods'?

Thank you

Tom

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References:
- Re: [amibroker] Re: Coding assistance.
  - From: alex huynh

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