afl for scanning inside day , nr7 ,nr4 and hook patterns.

sanjn84

Active Member
#1
hi friends ,
i am searhing an afl for searching nr4 , nr7 , inside day , doji , and hook patterns on eod or daily charts .

by it can these patterns can show up on charts and can we also scan or explore it.

i mean all low volatility days or low range days ,

also if any for high range days or low volume , high volume days.

if some one have plz share it.
thanks
 

sanjn84

Active Member
#2
the idea behind searching is to utilize the line that " after conteridiction there is expansion "

so after finding low range days than we shift on next day to lower time frame and with help of range breakout methods , try to trade .

so there is low risk trades with proper sl and if we click right than reward will be high.

the main idea is to search or predict a trend day .
 

sanjn84

Active Member
#3
thanks asnavle sir for this afl



_SECTION_BEGIN("NR7");

/*********** NR7 System for Chart and Exploration ***********************/

R = H - L;
NR7 = False;
NR4 = False;
m7 = m4 = idm7 = idm4 = idm = 0;

for(i = 7; i < BarCount; i++)
{
if( R < R[i - 1] AND R < R[i -2] AND R < R[i - 3] AND R < R[i - 4] AND R < R[i - 5] AND R < R[i - 6])
{
NR7 = True;
m7 = 1;
}
}

for(i = 4; i < BarCount; i++)
{
if((R < R[i - 1] AND R < R[i -2] AND R < R[i - 3] ) AND NOT NR7)
{
NR4 = True;
m4 = 1;
}
}
IDNR7 = Inside() * NR7;
IDNR4 = Inside() * NR4;
ID = Inside();
idm7 = IIf(IDNR7, 1, 0);
idm4 = IIf(IDNR4, 1, 0);
idm = IIf(id, 1, 0);

for(i = 1; i < BarCount; i++)
{
if(IDNR7 == IDNR7[i - 1]) idm7 = idm7 + idm7[i - 1];
if(IDNR4 == IDNR4[i - 1]) idm4 = idm4 + idm4[i - 1];
if(NR7 == NR7[i - 1]) m7 = m7 + m7[i - 1];
if(NR4 == NR4[i - 1]) m4 = m4 + m4[i - 1];
if(ID == ID[i - 1]) idm = idm + idm[i - 1];
}

MarkerIDNR7 = MarkerIDNR4 = shapeStar ;

Marker7 = shapeDigit7;
NR7Color = colorBrightGreen;

Marker4 = shapeDigit4;
NR4Color = colorLightOrange;

MarkerID = shapeHollowCircle;
IDColor = colorYellow;

IDNR7Color = colorBrightGreen;
IDNR4Color = colorLightOrange;

MarkerDist = L * 0.995;
IDNRDist = H * 1.03;

if(Status("action") == actionIndicator)
{
_N(Title = StrFormat("{{NAME}}, {{DATE}} ({{INTERVAL}}): {{VALUES}}") + ", Range=" + Prec(R + 0.00001, 2) + ","
+ WriteIf(IDNR7, EncodeColor(colorBrightGreen) + WriteIf(idm7 > 1, StrLeft(NumToStr(idm7), 4), "") + " IDNR7 ", "")
+ WriteIf(IDNR4, EncodeColor(colorLightOrange) + WriteIf(idm4 > 1, StrLeft(NumToStr(idm4), 4), "") + " IDNR4 ", "")
+ WriteIf(NR7 AND NOT ID, EncodeColor(colorBrightGreen) + WriteIf(m7 > 1, StrLeft(NumToStr(m7), 4), "") + " NR7 ", "")
+ WriteIf(NR4 AND NOT ID, EncodeColor(colorLightOrange) + WriteIf(m4 > 1, StrLeft(NumToStr(m4), 4), "") + " NR4 ", "")
+ WriteIf(ID AND NOT NR7 AND NOT NR4, EncodeColor(colorTurquoise) + WriteIf(idm > 1, StrLeft(NumToStr(idm), 4), "") + " Inside Day ", ""));

PlotOHLC(O, H, L, C, "Close", colorLightGrey, styleBar);
PlotShapes(IIf(IDNR7, MarkerIDNR7, shapeNone), IDNR7Color, 0, IDNRDist);
PlotShapes(IIf(IDNR4 AND NOT IDNR7, MarkerIDNR4, shapeNone), IDNR4Color, 0, IDNRDist);
PlotShapes(IIf(NR7 AND NOT ID, Marker7, shapeNone), NR7Color, 0, MarkerDist);
PlotShapes(IIf(NR4 AND NOT NR7 AND NOT ID, Marker4, shapeNone), NR4Color, 0, MarkerDist);
PlotShapes(IIf(ID AND NOT NR7 AND NOT NR4, MarkerID, shapeNone), IDColor, 0, IDNRDist);
}

if(Status("action") == actionExplore)
{
Filter = (m7 > 0) OR (m4 > 0) OR (idm > 0);

SetOption("NoDefaultColumns", True);

AddColumn(DateTime(), "DATE", formatDateTime, colorDefault, colorDefault, 96);
AddTextColumn(Name(), "SYMBOL", 77, colorDefault, colorDefault, 120);
AddColumn(R, "Range", 6.2, colorDefault, colorDefault, 84);
AddColumn(IIf(idm, 48 + idm, 32), "INSIDE", formatChar, colorYellow, IIf(idm, colorLightBlue, colorDefault));
AddColumn(IIf(m4, 48 + m4, 32), "NR4", formatChar, colorYellow, IIf(m4, colorBlue, colorDefault));
AddColumn(IIf(m7, 48 + m7, 32), "NR7", formatChar, colorYellow, IIf(m7, colorGreen, colorDefault));
}

/************************** END OF AFL CODE *****************************/

_SECTION_END();
 

sanjn84

Active Member
#4
can some one help me in finding high volume day and high range day scanning afl .

also for finding pin bar or doji pattern through exploration.
 
#5
Nr4 , inside ba, volitility, VOLUME INCREASE,MY IDEA

// See http://trader.online.pl/MSZ/e-ex-Historical_Volatility_System_Connors_Raschkes.html
//
// Note http://www.amibroker.com/library/detail.php?id=115 has a mistake
// Connors/Raschke say buy based on "either an inside day or an NR4 day"
// but formula 115 uses AND instead of OR.
logRocc = log(C/Ref(C,-1));
HistVol = StDev(logRocc,5) / StDev(logRocc,25);

H_L = H-L;
NR4 = H_L == LLV(H_L,4);


Plot(HistVol, "HistVol", ParamColor("Color", colorCycle), styleLine);

Plot(0.5,"",colorBlack, styleDashed);

Plot(IIf(HistVol>0.5, 3, IIf(NR4,6, IIf(Inside(), 9, 3))),
"NR4 or Inside",
IIf(HistVol>0.5, colorLightGrey, IIf(NR4,colorLime, IIf(Inside(), colorBlue, colorLightGrey))),
styleOwnScale|styleArea|styleNoLabel, -0.5, 50);


NumColumns = 5;
Column0 = HistVol;
Column0Name = "HistVol";

Column1 = NR4;
Column1Name = "NR4Day";

Column2 = Inside();
Column2Name = "Inside";

Column3 = High+0.125;
Column3Name = "Buy Stop";

Column4 = Low-0.125;
Column4Name = "Sell Stop";

B= V > Ref (V, -1) ;

Filter = HistVol < 0.5 AND (NR4 AND Inside() AND B);
Buy = Filter;

AddColumn( Close, "Close" );
AddColumn( V, "Volume",1 );
AddColumn( B, "Volume increase",1 );
 
#7
thanks asnavle sir for this afl



_SECTION_BEGIN("NR7");

/*********** NR7 System for Chart and Exploration ***********************/

R = H - L;
NR7 = False;
NR4 = False;
m7 = m4 = idm7 = idm4 = idm = 0;

for(i = 7; i < BarCount; i++)
{
if( R < R[i - 1] AND R < R[i -2] AND R < R[i - 3] AND R < R[i - 4] AND R < R[i - 5] AND R < R[i - 6])
{
NR7 = True;
m7 = 1;
}
}

for(i = 4; i < BarCount; i++)
{
if((R < R[i - 1] AND R < R[i -2] AND R < R[i - 3] ) AND NOT NR7)
{
NR4 = True;
m4 = 1;
}
}
IDNR7 = Inside() * NR7;
IDNR4 = Inside() * NR4;
ID = Inside();
idm7 = IIf(IDNR7, 1, 0);
idm4 = IIf(IDNR4, 1, 0);
idm = IIf(id, 1, 0);

for(i = 1; i < BarCount; i++)
{
if(IDNR7 == IDNR7[i - 1]) idm7 = idm7 + idm7[i - 1];
if(IDNR4 == IDNR4[i - 1]) idm4 = idm4 + idm4[i - 1];
if(NR7 == NR7[i - 1]) m7 = m7 + m7[i - 1];
if(NR4 == NR4[i - 1]) m4 = m4 + m4[i - 1];
if(ID == ID[i - 1]) idm = idm + idm[i - 1];
}

MarkerIDNR7 = MarkerIDNR4 = shapeStar ;

Marker7 = shapeDigit7;
NR7Color = colorBrightGreen;

Marker4 = shapeDigit4;
NR4Color = colorLightOrange;

MarkerID = shapeHollowCircle;
IDColor = colorYellow;

IDNR7Color = colorBrightGreen;
IDNR4Color = colorLightOrange;

MarkerDist = L * 0.995;
IDNRDist = H * 1.03;

if(Status("action") == actionIndicator)
{
_N(Title = StrFormat("{{NAME}}, {{DATE}} ({{INTERVAL}}): {{VALUES}}") + ", Range=" + Prec(R + 0.00001, 2) + ","
+ WriteIf(IDNR7, EncodeColor(colorBrightGreen) + WriteIf(idm7 > 1, StrLeft(NumToStr(idm7), 4), "") + " IDNR7 ", "")
+ WriteIf(IDNR4, EncodeColor(colorLightOrange) + WriteIf(idm4 > 1, StrLeft(NumToStr(idm4), 4), "") + " IDNR4 ", "")
+ WriteIf(NR7 AND NOT ID, EncodeColor(colorBrightGreen) + WriteIf(m7 > 1, StrLeft(NumToStr(m7), 4), "") + " NR7 ", "")
+ WriteIf(NR4 AND NOT ID, EncodeColor(colorLightOrange) + WriteIf(m4 > 1, StrLeft(NumToStr(m4), 4), "") + " NR4 ", "")
+ WriteIf(ID AND NOT NR7 AND NOT NR4, EncodeColor(colorTurquoise) + WriteIf(idm > 1, StrLeft(NumToStr(idm), 4), "") + " Inside Day ", ""));

PlotOHLC(O, H, L, C, "Close", colorLightGrey, styleBar);
PlotShapes(IIf(IDNR7, MarkerIDNR7, shapeNone), IDNR7Color, 0, IDNRDist);
PlotShapes(IIf(IDNR4 AND NOT IDNR7, MarkerIDNR4, shapeNone), IDNR4Color, 0, IDNRDist);
PlotShapes(IIf(NR7 AND NOT ID, Marker7, shapeNone), NR7Color, 0, MarkerDist);
PlotShapes(IIf(NR4 AND NOT NR7 AND NOT ID, Marker4, shapeNone), NR4Color, 0, MarkerDist);
PlotShapes(IIf(ID AND NOT NR7 AND NOT NR4, MarkerID, shapeNone), IDColor, 0, IDNRDist);
}

if(Status("action") == actionExplore)
{
Filter = (m7 > 0) OR (m4 > 0) OR (idm > 0);

SetOption("NoDefaultColumns", True);

AddColumn(DateTime(), "DATE", formatDateTime, colorDefault, colorDefault, 96);
AddTextColumn(Name(), "SYMBOL", 77, colorDefault, colorDefault, 120);
AddColumn(R, "Range", 6.2, colorDefault, colorDefault, 84);
AddColumn(IIf(idm, 48 + idm, 32), "INSIDE", formatChar, colorYellow, IIf(idm, colorLightBlue, colorDefault));
AddColumn(IIf(m4, 48 + m4, 32), "NR4", formatChar, colorYellow, IIf(m4, colorBlue, colorDefault));
AddColumn(IIf(m7, 48 + m7, 32), "NR7", formatChar, colorYellow, IIf(m7, colorGreen, colorDefault));
}

/************************** END OF AFL CODE *****************************/

_SECTION_END();


hello


a) instead of nr4 in the above afl i need nr21 . so can any one insert the param option to select according to one's choice of narrow range. so it may be nr4 ,nr7 or nr21 or whatever may be the trader's choice

b) Also can an option be also introduced in parameters to plot on chart what one wants to see eg nr7 only or nr7 +id (inside day.bar) similarly nr 21 only or nr21+id only .

my whole purpose is to make charts look uncluttered !

best regards

sumit
 

colion

Active Member
#8
hello


a) instead of nr4 in the above afl i need nr21 . so can any one insert the param option to select according to one's choice of narrow range. so it may be nr4 ,nr7 or nr21 or whatever may be the trader's choice

b) Also can an option be also introduced in parameters to plot on chart what one wants to see eg nr7 only or nr7 +id (inside day.bar) similarly nr 21 only or nr21+id only .

my whole purpose is to make charts look uncluttered !

best regards

sumit
Try this to get any number of days for narrow range:

priceRange = H - L;
numberNRDays = Param( "Number of NR Days", 4, 4, 50, 1 );
nr = IIf( priceRange == LLV( priceRange, numberNRDays ), 1, Null );
 

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