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5 / 5 (Votes 2)

trading system, amibroker, pivots, darvas

I’ve found it in internet. Try it wisely

Submitted by mahesh.aranake over 14 years ago

Submitted by cruzc over 14 years ago

Submitted by tigernifty about 13 years ago

Submitted by pharaoh over 14 years ago

Submitted by rani over 14 years ago

Submitted by vargasc1 over 13 years ago

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_SECTION_BEGIN("Darvas Box SupportResistance by Isfandi");
box1=0;
box2=0;
SetBarsRequired(10000,10000);
procedure fillDarvas(start,end,swap,top, bottom )
{
  for ( j = start; j < end; j++)
  {
      if( box1[j] == swap)
  box1[j]= top ;
else
box1[j]= bottom;
 
      if(box2[j] == swap)
  box2[j]= bottom ;
else
box2[j]= top;
  }
}
 
BoxArr1 = 0;
BoxArr2 = 0;
StateArray = 0;
DBuy = 0;
DSell = 0;
TopArray = 0;
BotArray = 0;
tick=0;
 
BoxTop = High[0];
BoxBot = Low[0];
swap=0;
state = 0;
BoxStart = 0;
 
for (i=0; i<BarCount; i++)
{
if (state==5)
{
  TopArray[i]=BoxTop;
  BotArray[i]=BoxBot;
  if (Low[i]<(BoxBot*(1-tick/100)) || High[i]>(BoxTop*(1+tick/100)))
  {
fillDarvas(BoxStart,i,swap,BoxTop,BoxBot);
 
  state = 1;
  swap =  !swap;
  BoxTop = High[i];
  BoxStart = i;
  }
}
else
{
  if (High[i]<BoxTop)
  {
      if ((state<3) || (Low[i]>BoxBot))
      {
  state++;
  }
      else
  {
      state=3;
  }
      if (state==3)
      BoxBot=Low[i];
  }
  else
  {
      state=1;
      BoxTop=High[i];
  }
}
StateArray[i] = state;
}
 
fillDarvas(BoxStart,BarCount,swap,BoxTop,BoxBot);
Buy=Cover=H>Ref(box1,-1) AND H>Ref(box2,-1) AND Ref(statearray,-1)==5;
Short=Sell=L<Ref(box1,-1) AND L<Ref(box2,-1) AND Ref(statearray,-1)==5;
 
 
PlotShapes(shapeUpArrow*(Buy) ,colorGreen, 0,H,Offset= 25);
PlotShapes(shapeDownArrow*(Sell) ,colorRed, 0,L,Offset= 35);
 
 
Plot( box1, "" , 1 + statearray, styleLine );
Plot( box2, "" , 1 + statearray , styleLine );
 
_SECTION_END();
 
_SECTION_BEGIN("14 Line HHLL by: Isfandi");
//****** sahamlq45.blogspot.com ******
 
 
of=1;
n=100;
Hh=HHV(H,n);
Ll=LLV(L,n);
 
p1=ll+(hh-ll)*0.5;
p2=ll+(hh-ll)*0.382;
p3=ll+(hh-ll)*0.618;
p4=ll+(hh-ll)*0.236;
p5=ll+(hh-ll)*0.786;
 
Plot(p1, "p1:",9,styleDashed);
Plot(p2, "p1:",24,styleDashed);
Plot(p3, "p1:",24,styleDashed);
Plot(p4, "p1:",24,styleDashed);
Plot(p5, "p1:",24,styleDashed);
Plot(Hh, "p1:",8,styleDashed);
Plot(Ll, "p1:",13,styleDashed);
 
_SECTION_END();
_SECTION_END();
 
_SECTION_BEGIN("Price ADX");
function PercentR( periods )
{ return -100 * ( HHV( H, periods ) - C )/( HHV( H, periods ) - LLV( L, periods
) ); }
range = Param("Periods", 14, 2, 200, 1 );
ADX(range);
PDI(range) ;
MDI(range);
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g,
Close %g (%.1f%%) Vol " +WriteVal( V, 1.0 ) +" {{VALUES}}", O, H, L, C,
SelectedValue( ROC( C, 1 )) ));
Plot( C, "Close", IIf( PDI(range) > MDI(range), ParamColor("Up Color",
colorGreen ), ParamColor("Down Color", colorRed ) ), styleNoTitle |
ParamStyle("Style") | GetPriceStyle() );
Bull_Trend=(PercentR( Param("Periods", 14, 2, 100 ) )> -30);
Bear_Trend=(PercentR( Param("Periods", 14, 2, 100 ) )< -70);
Ribbon_kol=IIf( Bull_Trend, colorGreen, IIf(Bear_Trend, colorRed,colorYellow))
;
Plot(6, "ribbon", Ribbon_kol, styleOwnScale| styleArea|
styleNoLabel,-0.5,100);
_SECTION_END();
 
/* **********************************
 
Code to automatically identify pivots
 
********************************** */
// -- what will be our lookback range for the hh and ll?
farback=Param("How Far back to go",100,50,5000,10);
nBars = Param("Number of bars", 12, 5, 40);
// -- Title.
Title = Name() + " (" + StrLeft(FullName(), 15) + ") O: " + Open + ",
H: " + High + ", L: " + Low + ", C: " + Close;
// -- Plot basic candle chart
PlotOHLC(Open, High, Low, Close,
"BIdx = " + BarIndex() +
"\n" + "O = " + O + "\n"+"H = "+ H + "\n"+"L = " + L
+ "\n"+"C ",
colorBlack, styleCandle);
GraphXSpace=7;
// -- Create 0-initialized arrays the size of barcount
aHPivs = H - H;
aLPivs = L - L;
// -- More for future use, not necessary for basic plotting
aHPivHighs = H - H;
aLPivLows = L - L;
aHPivIdxs = H - H;
aLPivIdxs = L - L;
nHPivs = 0;
nLPivs = 0;
lastHPIdx = 0;
lastLPIdx = 0;
lastHPH = 0;
lastLPL = 0;
curPivBarIdx = 0;
// -- looking back from the current bar, how many bars
// back were the hhv and llv values of the previous
// n bars, etc.?
aHHVBars = HHVBars(H, nBars);
aLLVBars = LLVBars(L, nBars);
aHHV = HHV(H, nBars);
aLLV = LLV(L, nBars);
// -- Would like to set this up so pivots are calculated back from
// last visible bar to make it easy to "go back" and see the pivots
// this code would find. However, the first instance of
// _Trace output will show a value of 0
aVisBars = Status("barvisible");
nLastVisBar = LastValue(Highest(IIf(aVisBars, BarIndex(), 0)));
_TRACE("Last visible bar: " + nLastVisBar);
// -- Initialize value of curTrend
curBar = (BarCount-1);
curTrend = "";
if (aLLVBars[curBar] <
aHHVBars[curBar]) {
curTrend = "D";
}
else {
curTrend = "U";
}
// -- Loop through bars. Search for
// entirely array-based approach
// in future version
for (i=0; i<farback; i++) {
curBar = (BarCount - 1) - i;
// -- Have we identified a pivot? If trend is down...
if (aLLVBars[curBar] < aHHVBars[curBar]) {
// ... and had been up, this is a trend change
if (curTrend == "U") {
curTrend = "D";
// -- Capture pivot information
curPivBarIdx = curBar - aLLVBars[curBar];
aLPivs[curPivBarIdx] = 1;
aLPivLows[nLPivs] = L[curPivBarIdx];
aLPivIdxs[nLPivs] = curPivBarIdx;
nLPivs++;
}
// -- or current trend is up
} else {
if (curTrend == "D") {
curTrend = "U";
curPivBarIdx = curBar - aHHVBars[curBar];
aHPivs[curPivBarIdx] = 1;
aHPivHighs[nHPivs] = H[curPivBarIdx];
aHPivIdxs[nHPivs] = curPivBarIdx;
nHPivs++;
}
// -- If curTrend is up...else...
}
// -- loop through bars
}
// -- Basic attempt to add a pivot this logic may have missed
// -- OK, now I want to look at last two pivots. If the most
// recent low pivot is after the last high, I could
// still have a high pivot that I didn't catch
// -- Start at last bar
curBar = (BarCount-1);
candIdx = 0;
candPrc = 0;
lastLPIdx = aLPivIdxs[0];
lastLPL = aLPivLows[0];
lastHPIdx = aHPivIdxs[0];
lastHPH = aHPivHighs[0];
if (lastLPIdx > lastHPIdx) {
// -- Bar and price info for candidate pivot
candIdx = curBar - aHHVBars[curBar];
candPrc = aHHV[curBar];
if (
lastHPH < candPrc AND
candIdx > lastLPIdx AND
candIdx < curBar) {
// -- OK, we'll add this as a pivot...
aHPivs[candIdx] = 1;
// ...and then rearrange elements in the
// pivot information arrays
for (j=0; j<nHPivs; j++) {
aHPivHighs[nHPivs-j] = aHPivHighs[nHPivs-
(j+1)];
aHPivIdxs[nHPivs-j] = aHPivIdxs[nHPivs-(j+1)];
}
aHPivHighs[0] = candPrc ;
aHPivIdxs[0] = candIdx;
nHPivs++;
}
} else {
// -- Bar and price info for candidate pivot
candIdx = curBar - aLLVBars[curBar];
candPrc = aLLV[curBar];
if (
lastLPL > candPrc AND
candIdx > lastHPIdx AND
candIdx < curBar) {
// -- OK, we'll add this as a pivot...
aLPivs[candIdx] = 1;
// ...and then rearrange elements in the
// pivot information arrays
for (j=0; j<nLPivs; j++) {
aLPivLows[nLPivs-j] = aLPivLows[nLPivs-(j+1)];
aLPivIdxs[nLPivs-j] = aLPivIdxs[nLPivs-(j+1)];
}
aLPivLows[0] = candPrc;
aLPivIdxs[0] = candIdx;
nLPivs++;
}
}
// -- Dump inventory of high pivots for debugging
/*
for (k=0; k<nHPivs; k++) {
_TRACE("High pivot no. " + k
+ " at barindex: " + aHPivIdxs[k] + ", "
+ WriteVal(ValueWhen(BarIndex()==aHPivIdxs[k],
DateTime(), 1), formatDateTime)
+ ", " + aHPivHighs[k]);
}
*/
// -- OK, let's plot the pivots using arrows
PlotShapes(IIf(aHPivs==1, shapeDownArrow, shapeNone), colorRed, 0, High,
Offset=-15);
PlotShapes(IIf(aLPivs==1, shapeUpArrow , shapeNone), colorBlue, 0, Low,
Offset=-15);
 
_SECTION_BEGIN("EMA1");
P = ParamField("Price field",-1);
Periods = Param("Periods", 15, 2, 200, 1, 10 );
Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ),
ParamStyle("Style") );
_SECTION_END();
 
_SECTION_BEGIN("EMA2");
P = ParamField("Price field",-1);
Periods = Param("Periods", 15, 2, 300, 1, 10 );
Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
_SECTION_END();

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Darvas Box for Amibroker (AFL)
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