The indicator is a port of TrendLaboratory's MT4 VoltyStop.2.1 indicator published at
http://finance.groups.yahoo.com/group/TrendLaboratory
The classic recommendation is to
Buy when VoltyChannel_Stop long signal appears over SMA.
Sell when VoltyChannel_Stop short signal appears under SMA.
(http://www.tradingsystemforex.com/exper ... op-ea.html)
Download:
Bigger time frame version:
- Code: Select all
-- The original indicator VoltyChannel_Stop_v2.1.mq4
-- Copyright © 2007, TrendLaboratory
-- http://finance.groups.yahoo.com/group/TrendLaboratory
-- E-mail: igorad2003@yahoo.co.uk
-- v2.1. Modified by
-- MODIFIED BY AVERY T. HORTON, JR. AKA THERUMPLEDONE@GMAIL.COM
-- ---------------------------------------------------------------------
-- This port to lua is made by http://fxcodebase.com team.
-- ---------------------------------------------------------------------
-- Indicator profile initialization routine
-- Defines indicator profile properties and indicator parameters
function Init()
indicator:name("Volty Channel Stop");
indicator:description("");
indicator:requiredSource(core.Bar);
indicator:type(core.Indicator);
indicator.parameters:addInteger("MA_N", "Moving Average Period", "", 1);
indicator.parameters:addString("MA_M", "Moving Average Method", "The methods marked by an asterisk (*) require the appropriate indicators to be loaded.", "MVA");
indicator.parameters:addStringAlternative("MA_M", "MVA", "", "MVA");
indicator.parameters:addStringAlternative("MA_M", "EMA", "", "EMA");
indicator.parameters:addStringAlternative("MA_M", "LWMA", "", "LWMA");
indicator.parameters:addStringAlternative("MA_M", "SMMA*", "", "SMMA");
indicator.parameters:addStringAlternative("MA_M", "Vidya (1995)*", "", "VIDYA");
indicator.parameters:addStringAlternative("MA_M", "Vidya (1992)*", "", "VIDYA92");
indicator.parameters:addStringAlternative("MA_M", "Wilders*", "", "WMA");
indicator.parameters:addInteger("ATR_N", "ATR period", "", 10);
indicator.parameters:addDouble("VF", "Volatility's Factor or Multiplier", "", 4);
indicator.parameters:addInteger("OF", "Offset factor", "", 0);
indicator.parameters:addString("P", "Price", "The price to the indicator apply to", "C");
indicator.parameters:addStringAlternative("P", "Open", "", "O");
indicator.parameters:addStringAlternative("P", "High", "", "H");
indicator.parameters:addStringAlternative("P", "Low", "", "L");
indicator.parameters:addStringAlternative("P", "Close", "", "C");
indicator.parameters:addStringAlternative("P", "Median", "", "M");
indicator.parameters:addStringAlternative("P", "Typical", "", "T");
indicator.parameters:addStringAlternative("P", "Weighted", "", "W");
indicator.parameters:addBoolean("HiLoE", "Use High/Low envelope", "", false);
indicator.parameters:addBoolean("HiLoB", "Hi/Lo Break", "", true);
indicator.parameters:addColor("UpBuffer_color", "Color of UpBuffer", "", core.rgb(0, 255, 0));
indicator.parameters:addColor("DnBuffer_color", "Color of DnBuffer", "", core.rgb(255, 0, 0));
indicator.parameters:addColor("UpSignal_color", "Color of UpSignal", "", core.rgb(0, 255, 0));
indicator.parameters:addColor("DnSignal_color", "Color of DnSignal", "", core.rgb(255, 0, 0));
end
-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- Parameters block
local MA_N;
local MA_M;
local ATR_N;
local VF;
local OF;
local P;
local HiLoE;
local HiLoB;
local first;
local source = nil;
-- Streams block
local UpBuffer = nil;
local DnBuffer = nil;
local UpSignal = nil;
local DnSignal = nil;
local SMin = nil;
local SMax = nil;
local Trend = nil;
local BPRICE;
local SPRICE;
local ATR;
-- Routine
function Prepare()
MA_N = instance.parameters.MA_N;
MA_M = instance.parameters.MA_M;
ATR_N = instance.parameters.ATR_N;
VF = instance.parameters.VF;
OF = instance.parameters.OF;
P = instance.parameters.P;
HiLoE = instance.parameters.HiLoE;
HiLoB = instance.parameters.HiLoB;
source = instance.source;
local bsrc, ssrc;
if HiLoE then
bsrc = source.high;
ssrc = source.low;
else
if P == "O" then
bsrc = source.open;
ssrc = source.open;
elseif P == "H" then
bsrc = source.high;
ssrc = source.high;
elseif P == "L" then
bsrc = source.low;
ssrc = source.low;
elseif P == "C" then
bsrc = source.close;
ssrc = source.close;
elseif P == "M" then
bsrc = source.median;
ssrc = source.median;
elseif P == "T" then
bsrc = source.typical;
ssrc = source.typical;
elseif P == "W" then
bsrc = source.weighted;
ssrc = source.weighted;
end
end
BPRICE = core.indicators:create(MA_M, bsrc, MA_N);
SPRICE = core.indicators:create(MA_M, ssrc, MA_N);
ATR = core.indicators:create("ATR", source, ATR_N);
first = source:first() + MA_N + ATR_N;
local name = profile:id() .. "(" .. source:name() .. ", " .. MA_N .. ", " .. MA_M .. ", " .. ATR_N .. ", " .. VF .. ", " .. OF .. ", " .. P .. ")";
instance:name(name);
UpBuffer = instance:addStream("UpBuffer", core.Line, name .. ".UpBuffer", "UpBuffer", instance.parameters.UpBuffer_color, first);
DnBuffer = instance:addStream("DnBuffer", core.Line, name .. ".DnBuffer", "DnBuffer", instance.parameters.DnBuffer_color, first);
UpSignal = instance:createTextOutput ("UpSignal", "UpSignal", "Wingdings", 10, core.H_Center, core.V_Bottom, instance.parameters.UpSignal_color, 0);
DnSignal = instance:createTextOutput ("DnSignal", "DnSignal", "Wingdings", 10, core.H_Center, core.V_Top, instance.parameters.DnSignal_color, 0);
SMin = instance:addInternalStream(0, 0);
SMax = instance:addInternalStream(0, 0);
Trend = instance:addInternalStream(0, 0);
end
-- Indicator calculation routine
function Update(period, mode)
BPRICE:update(mode);
SPRICE:update(mode);
ATR:update(mode);
if period >= first then
local bprice, sprice, atr;
bprice = BPRICE.DATA[period];
sprice = SPRICE.DATA[period];
atr = ATR.DATA[period];
SMax[period] = bprice + VF * atr;
SMin[period] = sprice - VF * atr;
Trend[period] = Trend[period - 1];
if (HiLoB) then
if source.high[period] > SMax[period - 1] then
Trend[period] = 1;
end
if source.low[period] < SMin[period - 1] then
Trend[period] = -1;
end
else
if bprice > SMax[period - 1] then
Trend[period] = 1;
end
if sprice < SMin[period - 1] then
Trend[period] = -1;
end
end
if Trend[period] > 0 then
if SMin[period] < SMin[period - 1] then
SMin[period] = SMin[period - 1];
end
UpBuffer[period] = SMin[period] - (OF - 1) * atr;
if UpBuffer[period] < UpBuffer[period - 1] and UpBuffer:hasData(period - 1) then
UpBuffer[period] = UpBuffer[period - 1];
end
if Trend[period] ~= Trend[period - 1] and Trend[period - 1] ~= 0 then
UpSignal:set(period, UpBuffer[period], "\225");
end
elseif Trend[period] < 0 then
if SMax[period] > SMax[period - 1] then
SMax[period] = SMax[period - 1];
end
DnBuffer[period] = SMax[period] + (OF - 1) * atr;
if DnBuffer[period] > DnBuffer[period - 1] and DnBuffer:hasData(period - 1) then
DnBuffer[period] = DnBuffer[period - 1];
end
if Trend[period] ~= Trend[period - 1] and Trend[period - 1] ~= 0 then
DnSignal:set(period, DnBuffer[period], "\226");
end
end
else
Trend[period] = 0;
end
end
MT4/MQ4 version.
viewtopic.php?f=38&t=68347