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--- Begin Message ---
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Pivot exploration. & ind.code, was: Pivots, Pivots, Pivots........ (explore co
From: "Gordon" <amibroker@xxxxxxxxxxxxxx>
Date: Thu, 05 Feb 2004 05:00:52 -0000
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I wanted to respond to the posts on using the pivots code I wrote and
uploaded a bit back. Explorations are the primary purpose of the
code. As an indicator, its purpose is to display charts you find via
an exploration. What I've done is create two models of how you might
use the code -- an indicator that automatically draws a specific
combination of fibonacci retracements when present and an exploration
that searches for them. Please note -- the exploration works "as of"
a given individual bar -- it works back from a given bar to determine
pivots -- and in an exploration, that would be the current bar (n
last days, n=1) or a "from" range where the start and end dates are
equal to each other; in an indicator, that would be the last bar or
the last visible bar, depending on parameter settings (use ctrl-R to
change). I am including both of the afl code sets here as well as
posting them to the code library. Naturally, these two code sets can
be easily broken into an include and then indicator- and exploration-
specific subsets. Enjoy!
PS -- note the calculations for symmetry in the code and as displayed
in the title in the indicator version.
// **************************
// BEING EXPLORATION CODE
// **************************
// -- what will be our lookback range for the hh and ll?
nBars = Param("Number of bars", 12, 5, 40);
bTrace = Param("Include trace output", 1, 0, 1);
nNoPivsInSetup = Param("No. Pivs in Setup", 4, 3, 4, 1);
bShowTCZ = Param("Show TCZ", 1, 0, 1);
nMinBarsBtwPivs = Param("Min. number of bars btw. pivots", 1, 1, 10,
1);
nMinPctBtwPivs = Param("Min. percent diff. btw.
pivots", .05, .04, .2, .01);
bLastBarCanBePiv = Param("Last bar can be a pivot", 1, 0, 1);
retrcTolerance = .01;
tczTolerance = .005;
nNumBarsToScan = 120;
// -- added from exploration version 20040204
nExploreBarIdx = 0;
nExploreDate = 0;
nCurDateNum = 0;
DN = DateNum();
DT = DateTime();
// -- key exploration variables
bTCZLong = False;
bTCZShort = False;
nAnchorPivIdx = 0;
ADX8 = ADX(8);
// 1 - INDICATOR, 2 - COMMENTARY, 3 - SCAN,
// 4 - EXPLORATION, 5 - BACKTEST / Optimize
if(Status("action")==1) {
bDraw = True;
bUseLastVis = Param("Use last visible bar", 1, 0, 1);
} else {
bDraw = False;
bUseLastVis = False;
bTrace = False;
nExploreDate = Status("rangetodate");
for (i=LastValue(BarIndex());i>=0;i--) {
nCurDateNum = DN[i];
if (nCurDateNum == nExploreDate) {
nExploreBarIdx = i;
}
}
// -- if(Status("action")==1...
}
GraphXSpace=7;
// -- basic candle chart
// -- if this appears inside if block, strange
// drawing results!
PlotOHLC(Open, High, Low, Close,
"BIdx = " + BarIndex() +
"\n" + "O = " + O + "\n"+"H = "+ H + "\n"+"L = " + L
+ "\n"+"C ",
colorBlack, styleCandle);
if (bDraw) {
Plot(MA(C, 21), "21 bar MA", colorAqua,
styleLine+styleNoRescale+styleNoLabel);
Plot(MA(C, 55), "55 bar MA", colorGreen,
styleLine+styleNoRescale+styleNoLabel);
//Plot(MA(C, 233), "233 bar MA", colorDarkRed,
// styleLine+styleNoRescale+styleNoLabel);
}
// -- Create 0-initialized arrays the size of barcount
aHPivs = H - H;
aLPivs = L - L;
aHPivHighs = H - H;
aLPivLows = L - L;
aHPivIdxs = H - H;
aLPivIdxs = L - L;
aAddedHPivs = H - H;
aAddedLPivs = L - L;
aLegVol = H - H;
aRetrcVol = H - H;
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);
// -- Initialize value of curTrend
nLastVisBar = LastValue(
Highest(IIf(Status("barvisible"), BarIndex(), 0)));
curBar = IIf(nlastVisBar > 0 AND bUseLastVis, nlastVisBar,
IIf(Status("action")==4 AND nExploreBarIdx > 0,
nExploreBarIdx,
LastValue(BarIndex())));
curTrend = "";
if (aLLVBars[curBar] < aHHVBars[curBar])
curTrend = "D";
else
curTrend = "U";
// -- Loop through bars. Search for
// entirely array-based approach
// in future version
/* *******************
Find main pivots
******************* */
// -- Make sure there are enough bars!
if (curBar >= nNumBarsToScan) {
for (i=0; i<nNumBarsToScan; i++) {
// -- value of curBar dependent on two parameters
curBar = IIf(nlastVisBar > 0 AND bUseLastVis,
nlastVisBar-i,
IIf(Status("action")==4 AND nExploreBarIdx >
0,
nExploreBarIdx-i,
LastValue(BarIndex())-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
}
}
/* *******************
Found main pivots
******************* */
/* *************************
Finding missed pivot(s)
************************* */
// -- Start at last bar. Reestablish curBar
curBar =
IIf(nlastVisBar > 0 AND bUseLastVis,
nlastVisBar,
IIf(Status("action")==4 AND nExploreBarIdx > 0,
nExploreBarIdx,
LastValue(BarIndex()))
);
// -- Make sure I found at least two of each above.
if (nHPivs >= 2 AND nLPivs >= 2) {
lastLPIdx = aLPivIdxs[0];
lastLPL = aLPivLows[0];
lastHPIdx = aHPivIdxs[0];
lastHPH = aHPivHighs[0];
nLastHOrLPivIdx = Max(lastLPIdx, lastHPIdx);
nAddPivsRng = curBar - nLastHOrLPivIdx;
aLLVAfterLastPiv = LLV(L, nAddPivsRng);
nLLVAfterLastPiv = aLLVAfterLastPiv[curBar];
aLLVIdxAfterLastPiv = LLVBars(L, nAddPivsRng);
nLLVIdxAfterLastPiv = curBar - aLLVIdxAfterLastPiv[curBar];
aHHVAfterLastPiv = HHV(H, nAddPivsRng);
nHHVAfterLastPiv = aHHVAfterLastPiv[curBar];
aHHVIdxAfterLastPiv = HHVBars(H, nAddPivsRng);
nHHVIdxAfterLastPiv = curBar - aHHVIdxAfterLastPiv[curBar];
// -- Later want to add last high pivot only if
// not in buy mode from last and still in trade
/*
Note - I'm only interested in adding pivots if I'm in
a higher-highs or lower-lows scenario
*/
// -- OK, let's start where the last high pivot occurs after
the
// last Low pivot
if (lastHPIdx > lastLPIdx) {
/* There are at least two possibilities here.
One is that
the previous high was higher, indicating that
this is a
possible short retracement or one in the
making.
The other is that the previous high was
lower, indicating
that this is a possible long retracement in
the working.
However, both depend on opposing pivots.
E.g., if I find
higher highs, what if I have lower lows?
If the highs are descending, then I can
consider:
- a lower low, and leave it at that
- a higher high and higher low
- a lower low and another lower high
*/
if (aHPivHighs[0] < aHPivHighs[1]) {
if (nLLVAfterLastPiv < aLPivLows[0] AND
(nLLVIdxAfterLastPiv - lastHPIdx - 1)
>= nMinBarsBtwPivs
AND nLLVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark it for plotting...
aLPivs[nLLVIdxAfterLastPiv] = 1;
aAddedLPivs[nLLVIdxAfterLastPiv] = 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] = nLLVAfterLastPiv;
aLPivIdxs[0] = nLLVIdxAfterLastPiv;
nLPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
// -- Here, the last piv is a high piv, and we have
// higher-highs. The most likely addition is a
// Low piv that is a retracement.
} else {
if (nLLVAfterLastPiv > aLPivLows[0] AND
(nLLVIdxAfterLastPiv - lastHPIdx - 1)
>= nMinBarsBtwPivs
AND nLLVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark it for plotting...
aLPivs[nLLVIdxAfterLastPiv] = 1;
aAddedLPivs[nLLVIdxAfterLastPiv] = 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] = nLLVAfterLastPiv;
aLPivIdxs[0] = nLLVIdxAfterLastPiv;
nLPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
// -- The last piv is a high and we have higher highs
// OR lower highs
}
/*
****************************************************************
Still finding missed pivot(s). Here, the last piv is
a low piv.
**************************************************************
** */
} else {
// -- First case, lower highs
if (aHPivHighs[0] < aHPivHighs[1]) {
if (nHHVAfterLastPiv < aHPivHighs[0] AND
(nHHVIdxAfterLastPiv - lastLPIdx - 1)
>= nMinBarsBtwPivs
AND nHHVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark that for plotting
aHPivs[nHHVIdxAfterLastPiv] = 1;
aAddedHPivs[nHHVIdxAfterLastPiv] = 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] = nHHVAfterLastPiv;
aHPivIdxs[0] = nHHVIdxAfterLastPiv;
nHPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
// -- Second case when last piv is a low piv, higher
highs
// Most likely addition is high piv that is a
retracement.
// Considering adding a high piv as long as it is
higher
} else {
// -- Where I have higher highs,
if (nHHVAfterLastPiv > aHPivHighs[0] AND
(nHHVIdxAfterLastPiv - lastLPIdx - 1)
>= nMinBarsBtwPivs
AND nHHVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark it for plotting...
aHPivs[nHHVIdxAfterLastPiv] = 1;
aAddedHPivs[nHHVIdxAfterLastPiv] = 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] = nHHVAfterLastPiv;
aHPivIdxs[0] = nHHVIdxAfterLastPiv;
nHPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
}
}
// -- If there are at least two of each
}
/* ****************************************
// -- Done with finding pivots
***************************************** */
if (bDraw) {
// -- OK, let's plot the pivots using arrows
PlotShapes(
IIf(aHPivs==1, shapeDownArrow, shapeNone),
colorRed, 0, High, Offset=-15);
PlotShapes(
IIf(aAddedHPivs==1, shapeDownArrow, shapeNone),
colorDarkRed, 0, High, Offset=-15);
PlotShapes(
IIf(aLPivs==1, shapeUpArrow , shapeNone),
colorGreen, 0, Low, Offset=-15);
PlotShapes(
IIf(aAddedLPivs==1, shapeUpArrow , shapeNone),
colorDarkGreen, 0, Low, Offset=-15);
}
/* ****************************************
// -- Done with discovering and plotting pivots
***************************************** */
// -- I'm going to want to look for possible retracement
risk = 0;
profInc = 0;
nLeg0Pts = 0;
nLeg0Bars = 0;
nLeg0Vol = 0;
nLeg1Pts = 0;
nLeg1Bars = 0;
nLeg1Vol = 0;
nLegBarsDiff = 0;
nRtrc0Pts = 0;
nRtrc0Bars = 0;
nRtrc0Vol = 0;
nRtrc1Pts = 0;
nRtrc1Bars = 0;
nRtrc1Vol = 0;
minRtrc = 0;
maxRtrc = 0;
minLine = 0;
maxLine = 0;
triggerLine = 0;
firstProfitLine = 0;
triggerInc = 0;
triggerPrc = 0;
firstProfitPrc = 0;
retrcPrc = 0;
retrcBar = 0;
retrcBarIdx = 0;
retrcRng = 0;
aRetrcPrc = H-H;
aRetrcPrcBars = H-H;
aRetrcClose = C;
retrcClose = 0;
// -- Do TCZ calcs. Arrangement of pivs very specific
// for this setup.
if (nHPivs >= 2 AND
nLPivs >=2 AND
aHPivHighs[0] > aHPivHighs[1] AND
aLPivLows[0] > aLPivLows[1]) {
tcz500 =
(aHPivHighs[0] -
(.5 * (aHPivHighs[0] - aLPivLows[1])));
tcz618 =
(aHPivHighs[0] -
(.618 * (aHPivHighs[0] - aLPivLows[1])));
tcz786 =
(aHPivHighs[0] -
(.786 * (aHPivHighs[0] - aLPivLows[0])));
retrcRng = curBar - aHPivIdxs[0];
aRetrcPrc = LLV(L, retrcRng);
retrcPrc = aRetrcPrc[curBar];
aRetrcPrcBars = LLVBars(L, retrcRng);
retrcBarIdx = curBar - aRetrcPrcBars[curBar];
retrcClose = aRetrcClose[retrcBarIdx];
// -- bTCZLong setup?
bTCZLong = (
// -- Are retracement levels arranged in
// tcz order?
tcz500 >= (tcz786 * (1 - tczTolerance))
AND
// .681 is below .786 for long setups
tcz618 <= (tcz786 * (1 + tczTolerance))
AND
// -- Is the low in the tcz range
// -- Is the close >= low of tcz range
// and low <= high of tcz range
retrcClose >= ((1 - retrcTolerance) * tcz618)
AND
retrcPrc <= ((1 + retrcTolerance) * tcz500)
);
// -- risk would be high of signal bar minus low of
zone
//risk = 0;
// -- lower highs and lower lows
} else if (nHPivs >= 2 AND nLPivs >=2
AND aHPivHighs[0] < aHPivHighs[1]
AND aLPivLows[0] < aLPivLows[1]) {
tcz500 =
(aHPivHighs[1] -
(.5 * (aHPivHighs[1] - aLPivLows[0])));
tcz618 =
(aHPivHighs[0] -
(.618 * (aHPivHighs[1] - aLPivLows[0])));
tcz786 =
(aHPivHighs[0] -
(.786 * (aHPivHighs[0] - aLPivLows[0])));
retrcRng = curBar - aLPivIdxs[0];
aRetrcPrc = HHV(H, retrcRng);
retrcPrc = aRetrcPrc[curBar];
aRetrcPrcBars = HHVBars(H, retrcRng);
retrcBarIdx = curBar - aRetrcPrcBars[curBar];
retrcClose = aRetrcClose[retrcBarIdx];
bTCZShort = (
// -- Are retracement levels arranged in
// tcz order?
// .500 is below .786 for short setups
tcz500 <= (tcz786 * (1 + tczTolerance))
AND
// .681 is above .786 for short setups
tcz618 >= (tcz786 * (1 - tczTolerance))
AND
// -- Is the close <= high of tcz range
// and high >= low of tcz range
retrcClose <= ((1 + retrcTolerance) * tcz618)
AND
retrcPrc >= ((1 - retrcTolerance) * tcz500)
);
// -- Risk would be top of zone - low of signal bar
//risk = 0;
}
Filter = (bTCZShort OR bTCZLong);
AddColumn(C, "Close");
AddColumn(IIf(bTCZLong, 76, 83), "L/S", formatChar);
// **************************
// END EXPLORATION CODE
// **************************
// **************************
// BEGIN INDICATOR CODE
// **************************
// -- what will be our lookback range for the hh and ll?
nBars = Param("Number of bars", 12, 5, 40);
bTrace = Param("Include trace output", 1, 0, 1);
nNoPivsInSetup = Param("No. Pivs in Setup", 4, 3, 4, 1);
bShowTCZ = Param("Show TCZ", 1, 0, 1);
nMinBarsBtwPivs = Param("Min. number of bars btw. pivots", 1, 1, 10,
1);
nMinPctBtwPivs = Param("Min. percent diff. btw.
pivots", .05, .04, .2, .01);
bLastBarCanBePiv = Param("Last bar can be a pivot", 1, 0, 1);
retrcTolerance = .01;
tczTolerance = .005;
nNumBarsToScan = 120;
// -- added from exploration version 20040204
nExploreBarIdx = 0;
nExploreDate = 0;
nCurDateNum = 0;
DN = DateNum();
DT = DateTime();
// -- key exploration variables
bTCZLong = False;
bTCZShort = False;
nAnchorPivIdx = 0;
ADX8 = ADX(8);
// 1 - INDICATOR, 2 - COMMENTARY, 3 - SCAN,
// 4 - EXPLORATION, 5 - BACKTEST / Optimize
if(Status("action")==1) {
bDraw = True;
bUseLastVis = Param("Use last visible bar", 1, 0, 1);
} else {
bDraw = False;
bUseLastVis = False;
bTrace = False;
nExploreDate = Status("rangetodate");
for (i=LastValue(BarIndex());i>=0;i--) {
nCurDateNum = DN[i];
if (nCurDateNum == nExploreDate) {
nExploreBarIdx = i;
}
}
// -- if(Status("action")==1...
}
GraphXSpace=7;
// -- basic candle chart
// -- if this appears inside if block, strange
// drawing results!
PlotOHLC(Open, High, Low, Close,
"BIdx = " + BarIndex() +
"\n" + "O = " + O + "\n"+"H = "+ H + "\n"+"L = " + L
+ "\n"+"C ",
colorBlack, styleCandle);
if (bDraw) {
Plot(MA(C, 21), "21 bar MA", colorAqua,
styleLine+styleNoRescale+styleNoLabel);
Plot(MA(C, 55), "55 bar MA", colorGreen,
styleLine+styleNoRescale+styleNoLabel);
//Plot(MA(C, 233), "233 bar MA", colorDarkRed,
// styleLine+styleNoRescale+styleNoLabel);
}
// -- Create 0-initialized arrays the size of barcount
aHPivs = H - H;
aLPivs = L - L;
aHPivHighs = H - H;
aLPivLows = L - L;
aHPivIdxs = H - H;
aLPivIdxs = L - L;
aAddedHPivs = H - H;
aAddedLPivs = L - L;
aLegVol = H - H;
aRetrcVol = H - H;
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);
// -- Initialize value of curTrend
nLastVisBar = LastValue(
Highest(IIf(Status("barvisible"), BarIndex(), 0)));
curBar = IIf(nlastVisBar > 0 AND bUseLastVis, nlastVisBar,
IIf(Status("action")==4 AND nExploreBarIdx > 0,
nExploreBarIdx,
LastValue(BarIndex())));
curTrend = "";
if (aLLVBars[curBar] < aHHVBars[curBar])
curTrend = "D";
else
curTrend = "U";
// -- Loop through bars. Search for
// entirely array-based approach
// in future version
/* *******************
Find main pivots
******************* */
// -- Make sure there are enough bars!
if (curBar >= nNumBarsToScan) {
for (i=0; i<nNumBarsToScan; i++) {
// -- value of curBar dependent on two parameters
curBar = IIf(nlastVisBar > 0 AND bUseLastVis,
nlastVisBar-i,
IIf(Status("action")==4 AND nExploreBarIdx >
0,
nExploreBarIdx-i,
LastValue(BarIndex())-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
}
}
/* *******************
Found main pivots
******************* */
/* *************************
Finding missed pivot(s)
************************* */
// -- Start at last bar. Reestablish curBar
curBar =
IIf(nlastVisBar > 0 AND bUseLastVis,
nlastVisBar,
IIf(Status("action")==4 AND nExploreBarIdx > 0,
nExploreBarIdx,
LastValue(BarIndex()))
);
// -- Make sure I found at least two of each above.
if (nHPivs >= 2 AND nLPivs >= 2) {
lastLPIdx = aLPivIdxs[0];
lastLPL = aLPivLows[0];
lastHPIdx = aHPivIdxs[0];
lastHPH = aHPivHighs[0];
nLastHOrLPivIdx = Max(lastLPIdx, lastHPIdx);
nAddPivsRng = curBar - nLastHOrLPivIdx;
aLLVAfterLastPiv = LLV(L, nAddPivsRng);
nLLVAfterLastPiv = aLLVAfterLastPiv[curBar];
aLLVIdxAfterLastPiv = LLVBars(L, nAddPivsRng);
nLLVIdxAfterLastPiv = curBar - aLLVIdxAfterLastPiv[curBar];
aHHVAfterLastPiv = HHV(H, nAddPivsRng);
nHHVAfterLastPiv = aHHVAfterLastPiv[curBar];
aHHVIdxAfterLastPiv = HHVBars(H, nAddPivsRng);
nHHVIdxAfterLastPiv = curBar - aHHVIdxAfterLastPiv[curBar];
// -- Later want to add last high pivot only if
// not in buy mode from last and still in trade
/*
Note - I'm only interested in adding pivots if I'm in
a higher-highs or lower-lows scenario
*/
// -- OK, let's start where the last high pivot occurs after
the
// last Low pivot
if (lastHPIdx > lastLPIdx) {
/* There are at least two possibilities here.
One is that
the previous high was higher, indicating that
this is a
possible short retracement or one in the
making.
The other is that the previous high was
lower, indicating
that this is a possible long retracement in
the working.
However, both depend on opposing pivots.
E.g., if I find
higher highs, what if I have lower lows?
If the highs are descending, then I can
consider:
- a lower low, and leave it at that
- a higher high and higher low
- a lower low and another lower high
*/
if (aHPivHighs[0] < aHPivHighs[1]) {
if (nLLVAfterLastPiv < aLPivLows[0] AND
(nLLVIdxAfterLastPiv - lastHPIdx - 1)
>= nMinBarsBtwPivs
AND nLLVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark it for plotting...
aLPivs[nLLVIdxAfterLastPiv] = 1;
aAddedLPivs[nLLVIdxAfterLastPiv] = 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] = nLLVAfterLastPiv;
aLPivIdxs[0] = nLLVIdxAfterLastPiv;
nLPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
// -- Here, the last piv is a high piv, and we have
// higher-highs. The most likely addition is a
// Low piv that is a retracement.
} else {
if (nLLVAfterLastPiv > aLPivLows[0] AND
(nLLVIdxAfterLastPiv - lastHPIdx - 1)
>= nMinBarsBtwPivs
AND nLLVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark it for plotting...
aLPivs[nLLVIdxAfterLastPiv] = 1;
aAddedLPivs[nLLVIdxAfterLastPiv] = 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] = nLLVAfterLastPiv;
aLPivIdxs[0] = nLLVIdxAfterLastPiv;
nLPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
// -- The last piv is a high and we have higher highs
// OR lower highs
}
/*
****************************************************************
Still finding missed pivot(s). Here, the last piv is
a low piv.
**************************************************************
** */
} else {
// -- First case, lower highs
if (aHPivHighs[0] < aHPivHighs[1]) {
if (nHHVAfterLastPiv < aHPivHighs[0] AND
(nHHVIdxAfterLastPiv - lastLPIdx - 1)
>= nMinBarsBtwPivs
AND nHHVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark that for plotting
aHPivs[nHHVIdxAfterLastPiv] = 1;
aAddedHPivs[nHHVIdxAfterLastPiv] = 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] = nHHVAfterLastPiv;
aHPivIdxs[0] = nHHVIdxAfterLastPiv;
nHPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
// -- Second case when last piv is a low piv, higher
highs
// Most likely addition is high piv that is a
retracement.
// Considering adding a high piv as long as it is
higher
} else {
// -- Where I have higher highs,
if (nHHVAfterLastPiv > aHPivHighs[0] AND
(nHHVIdxAfterLastPiv - lastLPIdx - 1)
>= nMinBarsBtwPivs
AND nHHVIdxAfterLastPiv != curBar
) {
// -- OK, we'll add this as a pivot.
// Mark it for plotting...
aHPivs[nHHVIdxAfterLastPiv] = 1;
aAddedHPivs[nHHVIdxAfterLastPiv] = 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] = nHHVAfterLastPiv;
aHPivIdxs[0] = nHHVIdxAfterLastPiv;
nHPivs++;
// -- Test whether to add piv given last piv
is high
// AND we have lower highs
}
}
}
// -- If there are at least two of each
}
/* ****************************************
// -- Done with finding pivots
***************************************** */
if (bDraw) {
// -- OK, let's plot the pivots using arrows
PlotShapes(
IIf(aHPivs==1, shapeDownArrow, shapeNone),
colorRed, 0, High, Offset=-15);
PlotShapes(
IIf(aAddedHPivs==1, shapeDownArrow, shapeNone),
colorDarkRed, 0, High, Offset=-15);
PlotShapes(
IIf(aLPivs==1, shapeUpArrow , shapeNone),
colorGreen, 0, Low, Offset=-15);
PlotShapes(
IIf(aAddedLPivs==1, shapeUpArrow , shapeNone),
colorDarkGreen, 0, Low, Offset=-15);
}
/* ****************************************
// -- Done with discovering and plotting pivots
***************************************** */
// -- I'm going to want to look for possible retracement
risk = 0;
profInc = 0;
nLeg0Pts = 0;
nLeg0Bars = 0;
nLeg0Vol = 0;
nLeg1Pts = 0;
nLeg1Bars = 0;
nLeg1Vol = 0;
nLegBarsDiff = 0;
nRtrc0Pts = 0;
nRtrc0Bars = 0;
nRtrc0Vol = 0;
nRtrc1Pts = 0;
nRtrc1Bars = 0;
nRtrc1Vol = 0;
minRtrc = 0;
maxRtrc = 0;
minLine = 0;
maxLine = 0;
triggerLine = 0;
firstProfitLine = 0;
triggerInc = 0;
triggerPrc = 0;
firstProfitPrc = 0;
retrcPrc = 0;
retrcBar = 0;
retrcBarIdx = 0;
retrcRng = 0;
aRetrcPrc = H-H;
aRetrcPrcBars = H-H;
aRetrcClose = C;
retrcClose = 0;
// -- Do TCZ calcs. Arrangement of pivs very specific
// for this setup.
if (nHPivs >= 2 AND
nLPivs >=2 AND
aHPivHighs[0] > aHPivHighs[1] AND
aLPivLows[0] > aLPivLows[1]) {
tcz500 =
(aHPivHighs[0] -
(.5 * (aHPivHighs[0] - aLPivLows[1])));
tcz618 =
(aHPivHighs[0] -
(.618 * (aHPivHighs[0] - aLPivLows[1])));
tcz786 =
(aHPivHighs[0] -
(.786 * (aHPivHighs[0] - aLPivLows[0])));
retrcRng = curBar - aHPivIdxs[0];
aRetrcPrc = LLV(L, retrcRng);
aRetrcPrcBars = LLVBars(L, retrcRng);
retrcPrc = aRetrcPrc[curBar];
retrcBarIdx = curBar - aRetrcPrcBars[curBar];
retrcClose = aRetrcClose[retrcBarIdx];
// -- bTCZLong setup?
bTCZLong = (
// -- Are retracement levels arranged in
// tcz order?
// .500 is above .786 for long setups
tcz500 >= (tcz786 * (1 - tczTolerance))
AND
// .681 is below .786 for long setups
tcz618 <= (tcz786 * (1 + tczTolerance))
AND
// -- Is the low in the tcz range
// -- Is the close >= low of tcz range
// and low <= high of tcz range
retrcClose >= ((1 - retrcTolerance) * tcz618)
AND
retrcPrc <= ((1 + retrcTolerance) * tcz500)
);
// -- risk would be high of signal bar minus low of
zone
//risk = 0;
// -- lower highs and lower lows
} else if (nHPivs >= 2 AND nLPivs >=2
AND aHPivHighs[0] < aHPivHighs[1]
AND aLPivLows[0] < aLPivLows[1]) {
tcz500 =
(aHPivHighs[1] -
(.5 * (aHPivHighs[1] - aLPivLows[0])));
tcz618 =
(aHPivHighs[0] -
(.618 * (aHPivHighs[1] - aLPivLows[0])));
tcz786 =
(aHPivHighs[0] -
(.786 * (aHPivHighs[0] - aLPivLows[0])));
retrcRng = curBar - aLPivIdxs[0];
aRetrcPrc = HHV(H, retrcRng);
retrcPrc = aRetrcPrc[curBar];
aRetrcPrcBars = HHVBars(H, retrcRng);
retrcBarIdx = curBar - aRetrcPrcBars[curBar];
retrcClose = aRetrcClose[retrcBarIdx];
bTCZShort = (
// -- Are retracement levels arranged in
// tcz order?
// .500 is below .786 for short setups
tcz500 <= (tcz786 * (1 + tczTolerance))
AND
// .681 is above .786 for short setups
tcz618 >= (tcz786 * (1 - tczTolerance))
AND
// -- Is the close <= high of tcz range
// and high >= low of tcz range
retrcClose <= ((1 + retrcTolerance) * tcz618)
AND
retrcPrc >= ((1 - retrcTolerance) * tcz500)
);
// -- Risk would be top of zone - low of signal bar
//risk = 0;
}
// -- Show zone if present
if (bTCZShort OR bTCZLong) {
// -- Be prepared to see symmetry
if (bTCZShort) {
if (aLPivIdxs[0] > aHPivIdxs[0]) {
// -- Valuable, useful symmetry information
nRtrc0Pts = aHPivHighs[0] - aLPivLows[1];
nRtrc0Bars = aHPivIdxs[0] - aLPivIdxs[1] + 1;
nRtrc1Pts = retrcPrc - aLPivLows[0];
nRtrc1Bars = retrcBarIdx - aLPivIdxs[0] + 1;
} else {
nRtrc0Pts = aHPivHighs[1] - aLPivLows[1];
nRtrc0Bars = aHPivIdxs[1] - aLPivIdxs[1] + 1;
nRtrc1Pts = aHPivHighs[0] - aLPivLows[0];
nRtrc1Bars = aHPivIdxs[0] - aLPivIdxs[0] + 1;
}
} else { // bLongSetup
if (aLPivIdxs[0] > aHPivIdxs[0]) {
nRtrc0Pts = aHPivHighs[0] - aLPivLows[1];
nRtrc0Bars = aHPivIdxs[0] - aLPivIdxs[1] + 1;
nRtrc1Pts = retrcPrc - aLPivLows[0];
nRtrc1Bars = retrcBarIdx - aLPivIdxs[0] + 1;
} else {
nRtrc0Pts = aHPivHighs[1] - aLPivLows[0];
nRtrc0Bars = aLPivIdxs[0] - aHPivIdxs[1] + 1;
nRtrc1Pts = aHPivHighs[0] - aLPivLows[0];
nRtrc1Bars = aLPivIdxs[0] - aHPivIdxs[0] + 1;
}
}
if (bShowTCZ) {
Plot(
LineArray( IIf(bTCZLong, aHPivIdxs[0],
aLPivIdxs[0]),
tcz500, curBar, tcz500 , 0),
"tcz500", colorPaleBlue, styleLine);
Plot(
LineArray( IIf(bTCZLong, aHPivIdxs[0],
aLPivIdxs[0]),
tcz618, curBar, tcz618, 0),
"tcz618", colorPaleBlue, styleLine);
Plot(
LineArray( IIf(bTCZLong, aHPivIdxs[0],
aLPivIdxs[0]),
tcz786, curBar, tcz786, 0),
"tcz786", colorTurquoise, styleLine);
}
// -- if (bShowTCZ)
}
if (bDraw) {
Title = Name() + " (" + StrLeft(FullName(), 10) +
") ATR: " + NumToStr(ATR(1), 4.2) + " ( " +
NumToStr((C - Ref(C, -1)), 4.2) + " / " +
NumToStr((((C - Ref(C, -1)) / Ref(C, -1)) * 100), 2.1) +
"% ) " +
WriteVal( SelectedValue( DateTime() ), formatDateTime) +
" \nO: " + Open +
", \nH: " + High +
", \nL: " + Low +
", \nC: " + Close + ", \n" +
// "Risk: " + WriteVal(risk, 2.1) + "% \n" +
"Rtrc 0/1 Pts: " + WriteVal(nRtrc0Pts, 2.1) + "/" +
WriteVal(nRtrc1Pts, 2.1) + " \n" +
"Rtrc 0/1 Bars: " + WriteVal(nRtrc0Bars, 2.0) + "/" +
WriteVal(nRtrc1Bars, 2.0);
}
// **************************
// END INDICATOR CODE
// **************************
Gordon
--- End Message ---
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