gordon rose (617).afl

一个更精度的平滑涵数, 可用于股票交易系统.用于Amibroker 平台

	//    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
// **************************