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Re: MT4 Indicator requests and ideas

#13871
mikew6051 wrote:
Thu Sep 16, 2021 7:44 am
Thank you, here is the source code;

Code: Select all

// This source code is free to use, copy, and alter in any way you choose.
// ...but credit is always nice :)

//@version=4
//@author=JayRogers

study( "Heikin Ashi RSI Oscillator", "HARSI •", false, format.price, 2 )

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
// ====== ABOUT THIS INDICATOR                                                //
//                                                                            //
//  - RSI based Heikin Ashi candle oscillator                                 //
//                                                                            //
// ====== ARTICLES and FURTHER READING                                        //
//                                                                            //
//  - https://www.investopedia.com/terms/h/heikinashi.asp                     //
//                                                                            //
//    "Heikin-Ashi is a candlestick pattern technique that aims to reduce     //
//    some of the market noise, creating a chart that highlights trend        //
//    direction better than typical candlestick charts"                       //
//                                                                            //
// ====== REASON FOR STUDY                                                    //
//                                                                            //
//  - Mostly experimental. I wanted to see if I could translate RSI into a    //
//    Heikin Ashi function and retain it's oscillating nature. That goal      //
//    was met more easily than I anticipated with quite delightful results.   //
//                                                                            //
// ====== DISCLAIMER                                                          //
//                                                                            //
//    Any trade decisions you make are entirely your own responsibility.      //
//    I've made an effort to squash all the bugs, but you never know!         //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
//                           ====== TOOLTIPS ======                           //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////

string TT_HARSI = "Period for the RSI calculations used to generate the"        +
                  "candles. This seperate from the RSI plot/histogram length."

string TT_PBIAS = "Smoothing feature for the OPEN of the HARSI candles."        +
                  "\n\nIncreases bias toward the prior open value which can"    +
                  " help provide better visualisation of trend strength."       +
                  "\n\n** By changing the Open values, High and Low can also"   +
                  " be distorted - however Close will remain unchanged."

string TT_SMRSI = "This option smoothes the RSI in a manner similar to HA"      +
                  " open, but uses the realtime rsi rather than the prior"      +
                  " close value."

string TT_STOCH = "Uses the RSI generated by the above settings, and as such"   +
                  " will be affected by the smoothing option."

string TT_STFIT = "Adjusts the vertical scaling of the stochastic, can help"    +
                  " to prevent distortion of other data in the channel."        +
                  "\n\nHas no impact cross conditions."

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
//                            ====== INPUTS ======                            //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////

// -- Candle config

string GROUP_CAND = "Config » HARSI Candles"
i_lenHARSI  = input( 14,            "Length",               input.integer,  group = GROUP_CAND,
                  minval = 1, tooltip = TT_HARSI )
i_smoothing = input( 1,             "Open Smoothing",       input.integer,  group = GROUP_CAND,
                  minval = 1, maxval = 100, tooltip = TT_PBIAS )
string INLINE_COL = "Colour Pallette"
i_colUp     = input( color.teal,    "Colour Pallette  ",    input.color,    group = GROUP_CAND, inline = INLINE_COL )
i_colDown   = input( color.red,     " ",                    input.color,    group = GROUP_CAND, inline = INLINE_COL )
i_colWick   = input( color.gray,    " ",                    input.color,    group = GROUP_CAND, inline = INLINE_COL )

// -- RSI plot config

string GROUP_PLOT = "Config » RSI Plot"
i_source    = input( ohlc4,         "Source",               input.source,   group = GROUP_PLOT )
i_lenRSI    = input( 7,             "Length",               input.integer,  group = GROUP_PLOT,
                  minval = 1 )
i_mode      = input( true,          "Smoothed Mode RSI?",   input.bool,     group = GROUP_PLOT,
                  tooltip = TT_SMRSI )
i_showPlot  = input( true,          "Show RSI Plot?",       input.bool,     group = GROUP_PLOT )
i_showHist  = input( true,          "Show RSI Histogram?",  input.bool,     group = GROUP_PLOT )

// -- Stochastic RSI plots config

string GROUP_STOCH = "Config » Stochastic RSI Plot"
string INLINE_STDS = "Stoch Draw States"
i_showStoch = input( false,         "Show Stochastic? ",    input.bool,     group = GROUP_STOCH, inline = INLINE_STDS,
                  tooltip = TT_STOCH )
i_ribbon    = input( true,          "Ribbon?",              input.bool,     group = GROUP_STOCH, inline = INLINE_STDS )
i_smoothK   = input( 3,             "Smoothing K",          input.integer,  group = GROUP_STOCH,
                  minval = 1 )
i_smoothD   = input( 3,             "Smoothing D",          input.integer,  group = GROUP_STOCH,
                  minval = 1 )
i_stochLen  = input( 14,            "Stochastic Length",    input.integer,  group = GROUP_STOCH,
                  minval = 1 )
i_stochFit  = input( 80,            "Stoch Scaling %",      input.integer,  group = GROUP_STOCH,
                  minval = 1, maxval = 100, tooltip = TT_STFIT )

// -- Channel OB/OS config

string GROUP_CHAN = "Config » OB/OS Boundaries"
i_upper     = input( 20,            "OB",                   input.integer,  group = GROUP_CHAN, inline = "OB",
                  minval = 1, maxval = 50 )
i_upperx    = input( 30,            "OB Extreme",           input.integer,  group = GROUP_CHAN, inline = "OB",
                  minval = 1, maxval = 50 )

i_lower     = input( -20,           "OS",                   input.integer,  group = GROUP_CHAN, inline = "OS",
                  minval = -50, maxval = -1 )
i_lowerx    = input( -30,           "OS Extreme",           input.integer,  group = GROUP_CHAN, inline = "OS",
                  minval = -50, maxval = -1 )

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
//                          ====== FUNCTIONS ======                           //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////

//  zero median rsi helper function, just subtracts 50.
f_zrsi( _source, _length ) => rsi( _source, _length ) - 50

//  zero median stoch helper function, subtracts 50 and includes % scaling
f_zstoch( _source, _length, _smooth, _scale ) =>
    float _zstoch   = stoch( _source, _source, _source, _length) - 50
    float _smoothed = sma( _zstoch, _smooth )
    float _scaled   = ( _smoothed / 100 ) * _scale

//  mode selectable rsi function for standard, or smoothed output
f_rsi( _source, _length, _mode ) =>

    //  get base rsi
    float _zrsi = f_zrsi( _source, _length )

    //  smoothing in a manner similar to HA open, but rather using the realtime
    //  rsi in place of the prior close value.
    var float _smoothed = na
    _smoothed := na( _smoothed[1] ) ? _zrsi : ( _smoothed[1] + _zrsi ) / 2

    //  return the requested mode
    _mode ? _smoothed : _zrsi

//  RSI Heikin-Ashi generation function
f_rsiHeikinAshi( _length ) =>

    //  get close rsi
    float _closeRSI = f_zrsi( close, _length )

    //  emulate "open" simply by taking the previous close rsi value
    float _openRSI  = nz( _closeRSI[1], _closeRSI )

    //  the high and low are tricky, because unlike "high" and "low" by
    //  themselves, the RSI results can overlap each other. So first we just go
    //  ahead and get the raw results for high and low, and then..
    float _highRSI_raw  = f_zrsi( high, _length )
    float _lowRSI_raw   = f_zrsi( low, _length )
    //  ..make sure we use the highest for high, and lowest for low
    float _highRSI  = max( _highRSI_raw, _lowRSI_raw )
    float _lowRSI   = min( _highRSI_raw, _lowRSI_raw )

    //  ha calculation for close
    float _close    = ( _openRSI + _highRSI + _lowRSI + _closeRSI ) / 4

    //  ha calculation for open, standard, and smoothed/lagged
    var float _open = na
    _open  := na( _open[ i_smoothing ] ) ? ( _openRSI + _closeRSI ) / 2 :
              ( ( _open[1] * i_smoothing ) + _close[1] ) / ( i_smoothing + 1 )

    //  ha high and low min-max selections
    float _high     = max( _highRSI, max( _open, _close ) )
    float _low      = min( _lowRSI,  min( _open, _close ) )

    //  return the OHLC values
    [ _open, _high, _low, _close ]

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
//                   ====== SERIES, LINES and LABELS ======                   //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////

//  standard, or ha smoothed rsi for the line plot and/or histogram
float RSI = f_rsi( i_source, i_lenRSI, i_mode )

//  stoch stuff
float StochK = f_zstoch( RSI, i_stochLen, i_smoothK, i_stochFit )
float StochD = sma( StochK, i_smoothD )

//  get OHLC values to use in the plotcandle()
[ O, H, L, C ] = f_rsiHeikinAshi( i_lenHARSI )

//  candle body colouring
color bodyColour    = C > O ? i_colUp : i_colDown
color wickColour    = i_colWick

//  shadow, invisible
color colShadow     = color.rgb( 0, 0, 0, 20 )
color colNone       = color.rgb( 0, 0, 0, 100 )

//  rsi color
color colRSI        = color.rgb( 250, 200, 50, 0 )

//  stoch ribbon fill
color colStochK     = color.new( #0094FF, 0 )
color colStochD     = color.new( #FF6A00, 0 )
color colStochFill  = StochK >= StochD ? color.new( colStochK, 50 ) : color.new( colStochD, 50 )

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
//                     ====== DRAWING and PLOTTING ======                     //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////

//  zero median RSI channel hlines
upperx  = hline( i_upperx,  "OB Extreme",   color.new( color.silver, 60 ) )
upper   = hline( i_upper,   "OB",           color.new( color.silver, 80 ) )
median  = hline( 0,         "Median",       color.orange, hline.style_dotted )
lower   = hline( i_lower,   "OS",           color.new( color.silver, 80 ) )
lowerx  = hline( i_lowerx,  "OS Extreme",   color.new( color.silver, 60 ) )

//  channel fill
fill( upper, upperx, color.new( color.red, 90 ),    title = "Background Fill OB" )
fill( upper, lower,  color.new( color.blue, 90 ),   title = "Background Channel" )
fill( lower, lowerx, color.new( color.green, 90 ),  title = "Background Fill OS" )

//  histogram first, so it is on the bottom of the plot/candle draw stack
plot( i_showHist ? RSI : na,    "RSI Histogram",    color.new( color.silver, 80 ),  1, plot.style_histogram )

//  make our HA rsi candles
plotcandle( O, H, L, C, "HARSI", bodyColour, wickColour, bordercolor = bodyColour )

//  RSI overlay plot
plot( i_showPlot ? RSI : na,                    "RSI Shadow",       colShadow,  3 )
plot_rsi    = plot( i_showPlot ? RSI : na,      "RSI Overlay",      colRSI,     1 )

//  Stochastic RSI plots and fill
plot( i_showStoch ? StochK : na,                "Stoch K Shadow",   not i_ribbon ? colShadow : colNone,  3 )
plot( i_showStoch ? StochD : na,                "Stoch D Shadow",   not i_ribbon ? colShadow : colNone,  3 )
plot_stochK = plot( i_showStoch ? StochK : na,  "Stoch K",          not i_ribbon ? colStochK : colNone,  1 )
plot_stochD = plot( i_showStoch ? StochD : na,  "Stoch D",          not i_ribbon ? colStochD : colNone,  1 )
fill( plot_stochK, plot_stochD, i_ribbon ? colStochFill : na )
Kind of a start posted here Heiken Ashi


Re: MT4 Indicator requests and ideas

#13875
mrtools wrote:
Fri Sep 17, 2021 12:56 am
Sorry somehow missed your link, but still not understanding how you want the arrows??
its okay
there it is both links for the rules snap Post #13861 & indicator post # 5299

viewtopic.php?f=579496&t=8418142&start=13860
viewtopic.php?t=8418142&p=1295384935#p1295384935
lukas arrows and curves_mtf +alerts.mq4

RULES FOR UP ARROW
1. Blue arrow confirm upper channel
2. next current bar low price breaks lower channel (close price)
3. arrow for UP on next new bar open price.
Screenshot_5.jpg


Re: MT4 Indicator requests and ideas

#13876
Good evening! could you help me with a simple indicator please!
Rule: rsi period 3;
overbought 99
oversale 1
middle row 50.
every time the candle ends up crossing the middle line (50) an arrow appears on the chart.
Thanks


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