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Modified Renko Chart for Amibroker (AFL)
SPASHA
almost 4 years ago
Amibroker (AFL)

Rating:
3 / 5 (Votes 5)
Tags:
amibroker, chart

newest afl wriiiten by G. Kavanagh

Screenshots

Indicator / Formula

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// Modified Renko Chart with custom date axis
// and high/low winks
// Loosely based on Renko chart formula by G. Kavanagh
// from AmBroker on-line formula library (id=521)
// Modifications & fixes TJ 2014
function FillRun( dir, num, changedir )
{
    global i, j, modified, dt, RKC, RKO, RKD, RKH, RKL;

    for( x = 1; x <= num AND j < BarCount - 1; x++ )
    {
        j++;
        extra = ( changedir AND x == 1 ) * dir;
        RKC[ j ] = RKC[ j - 1 ] + dir + extra;
        RKO[ j ] = RKC[ j - 1 ] + IIf( modified, 0, extra );
        RKD[ j ] = dt[ i ];
        RKH[ j ] = High[ i - 1 ];
        RKL[ j ] = Low[ i - 1 ];
    }
}
SetBarsRequired( sbrAll, sbrAll );
Brick = Param( "Brick Size", 0.001, 0.0001, 1.00, 0.001 );
reverse = 2;
intra = ParamToggle( "Intraday", "No|Yes", 0 );
modified = ParamToggle( "Modified", "No|Yes", 0 );
// Convert the closing price to rising and falling rounded bricks
CF = ceil( C / Brick );
CR = floor( C / Brick );
// initialize first element
j = 0;
RKC[j] = CF[0];
RKO[j] = CF[0] + 1;
RKD = 0;
RKH = 0;
RKL = 0;
dt = IIf( intra, floor( TimeNum() / 100 ), DateNum() );
dir = -1; // 1 is up, -1 is down

// Loop to produce the Renko values in number of bricks
for( i = 1; i < BarCount - 1; i++ )
{
    if( j >= BarCount )
        break; // no more room -> finish

    if( CF[i] <= RKC[j] - 1 AND dir < 0 )  // Continue down
    {
        num = RKC[j] - CF[i];
        FillRun( dir, num, False );
    }
    else
        if( CR[i] >= RKC[j] + Reverse AND dir < 0 )  // Change down to up
        {
            num = CR[i] - RKC[j];
            dir = 1;
            FillRun( dir, num, True );
        }
        else
            if( CR[i] >= RKC[j] + 1 AND dir > 0 )  // Continue Up
            {
                num = CR[i] - RKC[j];
                FillRun( dir, num, False );
            }
            else
                if( CF[i] <= RKC[j] - Reverse AND dir > 0 )  // Change up to down
                {
                    num = RKC[j] - CF[i];
                    dir = -1;
                    FillRun( dir, num, True );
                }
}

// move the chart to right end of chart space, ie last brick on last bar position
delta =  BarCount - 1 - j;
RKC = Ref( RKC, -delta );
RKO = Ref( RKO, -delta );
RKD = Ref( RKD, -delta );
RKH = Ref( RKH, -delta );
RKL = Ref( RKL, -delta );
C = RKC * Brick;
O = RKO * Brick;
H = IIf( modified, RKH, Max( C, O ) );
L = IIf( modified, RKL, Min( C, O ) );
Plot( C, "", IIf( C > O, colorGreen, colorRed ), styleCandle );
m1 = MA( ( C + H + L ) / 3, 8 );
m2 = MA( C, 8 );
Plot( m1, "SMA Typ", colorBlue );
Plot( m2, "SMA Renko", colorOrange );
Cover = Cross( m2, m1 );
Sell = Cross( m1, m2 );
Short = Sell AND C < O;
Buy = Cover AND C > O;
PlotShapes( shapeUpArrow * Buy, colorGreen, 0, m1 );
PlotShapes( shapeDownArrow * Sell, colorRed, 0, m1 );
PlotShapes( shapeHollowUpArrow * Cover, colorGreen, 0, m1, -25 );
PlotShapes( shapeHollowDownArrow * Short, colorRed, 0, m1, -25 );
color = IIf( Flip( Buy, Sell ), ColorRGB( 220, 255, 220 ),IIf( Flip( Short, Cover ), ColorRGB( 255, 220, 220 ), colorWhite ) );
Plot( 1, "", color, styleArea | styleOwnScale, 0, 1, 0, -1 );
xnum = floor( RKD / 1000 );
XChange = IIf( xnum != Ref( xnum, -1 ), 1, Null );
Plot( XChange, "", colorGrey50, styleHistogram | styleOwnScale, 0, 1 );
// Draw renko-date axis
MonthNames = "Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec";
fvb = FirstVisibleValue( BarIndex() );
lvb = LastVisibleValue( BarIndex() );

for( i = fvb; i < lvb; i++ )
{
    if( XChange[ i ] )
    {
        if( intra )
            datetext = StrFormat( "%02gh", floor( RKD[ i ] / 100 ) );
        else
            if( ( xnum[ i ] % 100 ) == 1 )
                datetext = StrFormat( "%04.0f", 1900 + ( xnum[ i ] / 100 ) );
            else
                datetext = StrExtract( MonthNames, ( xnum[ i ] % 100 ) - 1 );

        PlotText( datetext  , i, LowestVisibleValue( Low ), colorGrey50, colorWhite, -20 );
    }
}

Title = Name() + StrFormat( " - 20%06.0f", RKD % 1000000 ) + " - Renko Chart : Last Value = " + RKC * Brick + " H: " + RKH + " L: " + RKL + ", Brick Size = " + Brick;
GraphXSpace = 5;

15 comments

1. SPASHA

this is good afl change brick size to 1,

2. mumbaiboy

Sir,

Giving Error on Line No,113

Col:79 , Error 16. Too Many Arguments

3. szgolyas

error on line 113

4. viraldalal

Which timeframe does it work better ? Please explain and does it work under Auto Trading platform also ?

5. arun.victor

It is not working error on line 113, kindly help

6. arun.victor

It is working change Parameters: Brick size = 1

7. arun.victor

Thanks

8. arun.victor

I am unable to understand the values shown it is not matching with closing price, Kindly let me know how trade using this afl?

9. nns2770

It shows error…….

10. pulakesh13

when seeing buy call price not matching..means price is down and when seeing sell call..price is up…why.I hve test it crude oil..

11. acchiang

Is there any update on this formula ? still not working

12. abhijeet_f

error still persists

13. ranjicgnr

Find and replace “reverse” to reverseval

reverse is a function. Here it is used as a variable.

Refernce Lines : 22, 48, 61 in the above afl

14. rctrading

Hi,
how can I add wicks ?
I know other programing but dont have much fluency in AB codes. can smbdy point/guide ?
I also want to change this afl to Median Renko which can be easier, will try to find myself but suggestions are welcome !

R

15. ashishnarula

How do we change the brick size in the afl ???

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