-- Id: 16358 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=63669 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| 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("Overbought/Oversold Indicator"); indicator:description("Overbought/Oversold Indicator"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); local colour = core.colors(); indicator.parameters:addInteger("PERIOD", "Period", "", 9); indicator.parameters:addInteger("OB_level", "OB level", "", 100); indicator.parameters:addInteger("OS_level", "OS level", "", -100); indicator.parameters:addColor("UP_color", "Color of UP", "", colour.Lime); indicator.parameters:addColor("DN_color", "Color of DOWN", "", colour.Red); indicator.parameters:addColor("OBOS_color", "Color of Overbought/Oversold", "", colour.Blue); indicator.parameters:addColor("ZL_color", "Zero line color", "", colour.Yellow); indicator.parameters:addColor("OB_color", "OB line color", "", colour.Magenta); indicator.parameters:addColor("OS_color", "OS line color", "", colour.Magenta); indicator.parameters:addColor("MID_color", "Mid line color", "", colour.Gray); indicator.parameters:addColor("OB_shade_color", "OB shading color", "", colour.Pink); indicator.parameters:addColor("OS_shade_color", "OS shading color", "", colour.Cyan); indicator.parameters:addInteger("widthLinReg", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("styleLinReg", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("styleLinReg", core.FLAG_LINE_STYLE); indicator.parameters:addInteger("transparency", "Transparency percentage", "", 50, 0, 100); 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 PERIOD; local first; local FIRST; local source = nil; -- Streams block local open,low, high, close; local MA={}; local BUFFER={}; local UP, DOWN; -- Routine function Prepare(nameOnly) PERIOD = instance.parameters.PERIOD; source = instance.source; FIRST = source:first(); local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(PERIOD) .. ")"; instance:name(name); if nameOnly then return end BUFFER[1]= instance:addInternalStream(FIRST, 0); BUFFER[2]= instance:addInternalStream(FIRST, 0); BUFFER[3]= instance:addInternalStream(FIRST, 0); BUFFER[4]= instance:addInternalStream(FIRST, 0); BUFFER[5]= instance:addInternalStream(FIRST, 0); BUFFER[6]= instance:addInternalStream(FIRST, 0); UP= instance:addInternalStream(FIRST, 0); DOWN= instance:addInternalStream(FIRST, 0); MA[1] = core.indicators:create("EMA", BUFFER[1], PERIOD); MA[2] = core.indicators:create("EMA", BUFFER[5], PERIOD); MA[3] = core.indicators:create("EMA", BUFFER[6], PERIOD); MA[4] = core.indicators:create("EMA", UP, PERIOD); first = MA[4].DATA:first(); open=instance:addStream("open", core.Line, name, "open", core.rgb(128, 128, 128), first); open:setPrecision(math.max(2, instance.source:getPrecision())); high=instance:addStream("high", core.Line, name, "high", core.rgb(128, 128, 128), first); high:setPrecision(math.max(2, instance.source:getPrecision())); low=instance:addStream("low", core.Line, name, "low", core.rgb(128, 128, 128), first); low:setPrecision(math.max(2, instance.source:getPrecision())); close=instance:addStream("close", core.Line, name, "close", core.rgb(128, 128, 128), first); close:setPrecision(math.max(2, instance.source:getPrecision())); instance:createCandleGroup("OBOS", "", open, high, low, close); mid=instance:addStream("MID", core.Line, name.."MID", "MID", instance.parameters.MID_color, first); mid:setPrecision(math.max(2, instance.source:getPrecision())); open:addLevel(0, instance.parameters.styleLinReg, instance.parameters.widthLinReg, instance.parameters.ZL_color); open:addLevel(instance.parameters.OB_level, instance.parameters.styleLinReg, instance.parameters.widthLinReg, instance.parameters.OB_color); open:addLevel(instance.parameters.OS_level, instance.parameters.styleLinReg, instance.parameters.widthLinReg, instance.parameters.OS_color); out1 = instance:addInternalStream(first, 0); out2 = instance:addInternalStream(first, 0); instance:createChannelGroup("ZONE", "ZONE", out1, out2, core.rgb(128, 128, 128), 100 - instance.parameters.transparency, true); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period,mode) if period < FIRST or not source:hasData(period) then return; end BUFFER[1][period]=(source.high[period]+source.low[period]+source.close[period]*2)/4; MA[1]:update(mode); BUFFER[3][period]= MA[1].DATA[period]; if period < FIRST + PERIOD then return; end BUFFER[4][period] = mathex.stdev (BUFFER[1], period - PERIOD, period); BUFFER[5][period] = (BUFFER[1][period] - BUFFER[3][period]) *100 / BUFFER[4][period]; MA[2]:update(mode); BUFFER[6][period]= MA[2].DATA[period] ; MA[3]:update(mode); UP[period]=MA[3].DATA[period]; MA[4]:update(mode); DOWN[period] =MA[4].DATA[period]; open[period] = DOWN[period]; close[period] = UP[period]; high[period] = math.max(open[period], close[period]); low[period] = math.min(open[period], close[period]); if low[period-1] < low[period] and high[period]< high[period-1] then open:setColor(period, instance.parameters.OBOS_color); else if UP[period] > DOWN[period] then open:setColor(period, instance.parameters.UP_color); else open:setColor(period, instance.parameters.DN_color); end end mid[period] = (high[period] + low[period])/2; if mid[period] >= instance.parameters.OB_level then out1[period] = 1000; out2[period] = -1000; out1:setColor(period, instance.parameters.OB_shade_color); elseif mid[period] <= instance.parameters.OS_level then out1[period] = 1000; out2[period] = -1000; out1:setColor(period, instance.parameters.OS_shade_color); else out1[period] = nil; out2[period] = nil; end end