-- More information about this indicator can be found at: -- https://fxcodebase.com/code/viewtopic.php?f=17&t=72626 --+------------------------------------------------------------------------------------------------+ --| Copyright © 2022, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --| https://AppliedMachineLearning.systems | --| https://mario-jemic.com/ | --| Patreon : https://goo.gl/GdXWeN | --+------------------------------------------------------------------------------------------------+ --Your donations will allow the service to continue onward. --+------------------------------------------------------------------------------------------------+ --|BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --|Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --|SOL Address : 4tJXw7JfwF3KUPSzrTm1CoVq6Xu4hYd1vLk3VF2mjMYh | --|Cardano/ADA : addr1v868jza77crzdc87khzpppecmhmrg224qyumud6utqf6f4s99fvqv | --|Dogecoin Address : DBGXP1Nc18ZusSRNsj49oMEYFQgAvgBVA8 | --|SHIB Address : 0x1817D9ebb000025609Bf5D61E269C64DC84DA735 | --|Binance(ERC20 & BSC only) : 0xe84751063de8ade7c5fbff5e73f6502f02af4e2c | --|BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --|LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------------------------------------+ -- Indicator profile initialization routine -- Defines indicator profile properties and indicator parameters -- TODO: Add minimal and maximal value of numeric parameters and default color of the streams function Init() indicator:name("Volatility breakout indicator"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("InpBandsPeriod", "Period", "", 18, 1, 2000); indicator.parameters:addInteger("Smooth", "Smoothness", "", 2, 1, 2000); indicator.parameters:addInteger("cp", "Fractals periods", "", 10, 1, 2000); indicator.parameters:addDouble("change", "Percent change to modify the upper/lower channel", "", 0.1, 0, 2000); indicator.parameters:addGroup("Line Style"); indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); indicator.parameters:addColor("color", "Line Color", "", core.rgb(0, 0, 255)); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- TODO: Refine the first period calculation for each of the output streams. -- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries -- Parameters block local first; local source = nil; -- Routine function Prepare(nameOnly) InpBandsPeriod=instance.parameters.InpBandsPeriod; Smooth=instance.parameters.Smooth; cp=instance.parameters.cp; change=instance.parameters.change; source = instance.source local name = profile:id() .. "(" .. instance.source:name().. "," .. InpBandsPeriod.. "," .. Smooth .. "," .. cp.. "," .. change .. ")"; instance:name(name); if (nameOnly) then return; end --Indicator= core.indicators:create("AO", source, Period1, Period2); first=source:first()+InpBandsPeriod ; StdDev = instance:addInternalStream(0, 0); VolDer= instance:addInternalStream(0, 0); BOTy= instance:addInternalStream(0, 0); TOPy= instance:addInternalStream(0, 0); Top = instance:addStream("Top", core.Line, name, "Top", instance.parameters.color, first+InpBandsPeriod+1 +Smooth); Top:setPrecision(math.max(2, instance.source:getPrecision())); Top:setWidth(instance.parameters.width); Top:setStyle(instance.parameters.style); Top:addLevel(0); Bottom = instance:addStream("Bottom", core.Line, name, "Bottom", instance.parameters.color, first+InpBandsPeriod+1+Smooth ); Bottom:setPrecision(math.max(2, instance.source:getPrecision())); Bottom:setWidth(instance.parameters.width); Bottom:setStyle(instance.parameters.style); Bottom:addLevel(0); end function Update(period, mode) -- Indicator:update(mode); if period <= first then return; end StdDev[period] = mathex.stdev(source.close, period-InpBandsPeriod, period) if period <= first +InpBandsPeriod+1 then return; end local lowindex, highindex = mathex.minmax( StdDev, period-1-InpBandsPeriod, period-1) VolDer[period] = (StdDev[period]-highindex)/(highindex-lowindex) if period <= first +InpBandsPeriod+1+Smooth then return; end local VolSmooth = mathex.avg(VolDer, period-Smooth, period) if VolSmooth>0 then VolSmooth = 0 elseif VolSmooth<-1.0 then VolSmooth = -1.0 end if period <= first+2*cp+1 then return; end local lowest, highest=mathex.minmax(source, period-2*cp+1, period) if source.high[period-cp] >= highest then LH = 1 else LH = 0 end if source.low[period-cp] <= lowest then LL = -1 else LL = 0 end BOTy[period]= BOTy[period-1]; TOPy[period]= TOPy[period-1]; Top[period]= Top[period-1]; Bottom[period]= Bottom[period-1]; if LH == 1 then TOPy[period] = source.high[period-cp] end if LL == -1 then BOTy[period] = source.low[period-cp] end if VolSmooth == -1.0 then if math.abs(TOPy[period]-Top[period])/source.close[period]>change/100 then Top[period] = TOPy[period] end if math.abs(BOTy[period]-Bottom[period])/source.close[period]>change/100 then Bottom[period] = BOTy[period] end end end