-- More information about this indicator can be found at: -- https://fxcodebase.com/code/viewtopic.php?f=17&t=72387 --+------------------------------------------------------------------------------------------------+ --| 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 | --| 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("Standard deviation Channel"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Standard deviation Period", "", 14, 1, 1000); indicator.parameters:addGroup("Channel Calculation"); indicator.parameters:addInteger("Channel_Period", "Channel Period", "", 14, 1, 1000); indicator.parameters:addDouble("Multiplier", "Multiplier", "", 2, 0, 1000); indicator.parameters:addString("Price" , "Data Source", "", "close"); indicator.parameters:addStringAlternative("Price" , "Open", "", "open"); indicator.parameters:addStringAlternative("Price", "High", "", "high"); indicator.parameters:addStringAlternative("Price" , "Low", "", "low"); indicator.parameters:addStringAlternative("Price" , "Close", "", "close"); indicator.parameters:addStringAlternative("Price", "Median", "", "median"); indicator.parameters:addStringAlternative("Price" , "Typical", "", "typical"); indicator.parameters:addStringAlternative("Price" , "Weighted ", "", "weighted"); indicator.parameters:addString("Method", "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method", "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method", "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method", "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method", "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method", "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method", "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method", "WMA", "WMA" , "WMA"); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Up", "Up color", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Down color", "", core.rgb(255, 0, 0)); indicator.parameters:addColor("Neutral", "Neutral color", "", core.rgb(0, 0, 255)); 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 Up,Down, Neutral; local first; local source = nil; local Price,Method,Channel_Period,Multiplier; local open=nil; local close=nil; local high=nil; local low=nil; local Period; function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")"; instance:name(name); if (nameOnly) then return; end Up = instance.parameters.Up; Down= instance.parameters.Down; Neutral= instance.parameters.Neutral; Period = instance.parameters.Period; Price = instance.parameters.Price; Method = instance.parameters.Method; Channel_Period= instance.parameters.Channel_Period; Multiplier= instance.parameters.Multiplier; source = instance.source; first=source:first()+Period; open = instance:addStream("open", core.Line, name, "", core.rgb(0, 0, 0), first); high = instance:addStream("high", core.Line, name, "", core.rgb(0, 0, 0), first); low = instance:addStream("low", core.Line, name, "", core.rgb(0, 0, 0), first); close = instance:addStream("close", core.Line, name, "", core.rgb(0, 0, 0), first); median= instance:addInternalStream(0, 0); typical= instance:addInternalStream(0, 0); weighted= instance:addInternalStream(0, 0); instance:createCandleGroup("OVERLAY", "OVERLAY", open, high, low, close); if Price == "open" then MA=core.indicators:create(Method, open, Channel_Period); elseif Price == "close" then MA=core.indicators:create(Method, close, Channel_Period); elseif Price == "high" then MA=core.indicators:create(Method, high, Channel_Period); elseif Price == "low" then MA=core.indicators:create(Method, low, Channel_Period); elseif Price == "median" then MA=core.indicators:create(Method, median, Channel_Period); elseif Price == "typical" then MA=core.indicators:create(Method, typical, Channel_Period); elseif Price == "weighted" then MA=core.indicators:create(Method, weighted, Channel_Period); end Line = instance:addStream("Line", core.Line, name, "Line", instance.parameters.color, MA.DATA:first() ); Line:setPrecision(math.max(2, instance.source:getPrecision())); Line:setWidth(instance.parameters.width); Line:setStyle(instance.parameters.style); Line:addLevel(0); Top = instance:addStream("Top", core.Line, name, "Top", instance.parameters.color, MA.DATA:first() ); 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, MA.DATA:first() ); Bottom:setPrecision(math.max(2, instance.source:getPrecision())); Bottom:setWidth(instance.parameters.width); Bottom:setStyle(instance.parameters.style); Bottom:addLevel(0); end -- Indicator calculation routine function Update(period, mode) if period < first then open:setColor(period, Neutral); return; end open[period]=mathex.stdev(source.open, period-Period+1, period); high[period]=mathex.stdev(source.high, period-Period+1, period); low[period]=mathex.stdev(source.low, period-Period+1, period); close[period]=mathex.stdev(source.close, period-Period+1, period); median[period]= (high[period] +low[period] )/2; typical[period]= (high[period] +low[period]+close[period] )/3; weighted[period]= (high[period] +low[period]+close[period]+close[period] )/3; if close[period]> open[period] then open:setColor(period, Up); elseif close[period]< open[period] then open:setColor(period, Down); else open:setColor(period, Neutral); end MA:update(mode); if period < first +Channel_Period then return; end Line[period]=MA.DATA[period]; if period < first +Channel_Period*2 then return; end local StDev; if Price == "open" then StDev=mathex.stdev(open, period-Channel_Period+1, period); elseif Price == "close" then StDev=mathex.stdev(close, period-Channel_Period+1, period); elseif Price == "high" then StDev=mathex.stdev(high, period-Channel_Period+1, period); elseif Price == "low" then StDev=mathex.stdev(low, period-Channel_Period+1, period); elseif Price == "median" then StDev=mathex.stdev(median, period-Channel_Period+1, period); elseif Price == "typical" then StDev=mathex.stdev(typical, period-Channel_Period+1, period); elseif Price == "weighted" then StDev=mathex.stdev(weighted, period-Channel_Period+1, period); end Top[period]=Line[period] + StDev*Multiplier; Bottom[period]= Line[period] - StDev*Multiplier; end