If price touches the bottom channel signal advises BUY.
Strategy can work with direct or reverse signals.
- Code: Select all
function Init()
strategy:name("SHI Channel Signal");
strategy:description("SHI Channel Signal");
strategy.parameters:addGroup("SHI Channel Parameters");
strategy.parameters:addInteger("BarsForFractal", "Bars for fractal", "", 3);
strategy.parameters:addGroup("Price Parameters");
strategy.parameters:addString("TF", "Time Frame", "", "m15");
strategy.parameters:setFlag("TF", core.FLAG_PERIODS);
strategy.parameters:addGroup("Signal Parameters");
strategy.parameters:addString("TypeSignal", "Type of signal", "", "direct");
strategy.parameters:addStringAlternative("TypeSignal", "direct", "", "direct");
strategy.parameters:addStringAlternative("TypeSignal", "reverse", "", "reverse");
strategy.parameters:addBoolean("ShowAlert", "Show Alert", "", true);
strategy.parameters:addBoolean("PlaySound", "Play Sound", "", false);
strategy.parameters:addFile("SoundFile", "Sound File", "", "");
strategy.parameters:setFlag("SoundFile", core.FLAG_SOUND);
strategy.parameters:addBoolean("Recurrent", "RecurrentSound", "", false);
strategy.parameters:addGroup("Email Parameters");
strategy.parameters:addBoolean("SendEmail", "Send email", "", false);
strategy.parameters:addString("Email", "Email address", "", "");
strategy.parameters:setFlag("Email", core.FLAG_EMAIL);
end
local ShowAlert;
local SoundFile;
local Email;
local RecurrentSound;
function Prepare()
RecurrentSound= instance.parameters.Recurrent;
local SendEmail = instance.parameters.SendEmail;
if SendEmail then
Email = instance.parameters.Email;
else
Email = nil;
end
assert(not(SendEmail) or (SendEmail and Email ~= ""), "Email address must be specified");
assert(instance.parameters.TF ~= "t1", "The time frame must not be tick");
assert(not(instance.parameters.PlaySound) or (instance.parameters.PlaySound and instance.parameters.SoundFile ~= ""), "Sound file must be chosen");
assert(core.indicators:findIndicator("SHI_CHANNEL") ~= nil, "Please download and install SHI Channel Indicator!");
local name;
name = profile:id() .. "(" .. instance.bid:name() .. "." .. instance.parameters.TF .. ")";
instance:name(name);
ShowAlert = instance.parameters.ShowAlert;
if instance.parameters.PlaySound then
SoundFile = instance.parameters.SoundFile;
else
SoundFile = nil;
end
ExtSubscribe(1, nil, "t1", true, "close");
end
local first = true;
local tsource = nil;
local indicator = nil;
local Flag=nil;
function ExtUpdate(id, source, period)
if id == 1 and first then
first = false;
tsource = ExtSubscribe(2, nil, instance.parameters.TF, true, "bar");
local iprofile = core.indicators:findIndicator("SHI_CHANNEL");
local iparams = iprofile:parameters();
iparams:setInteger("BarsForFractal", instance.parameters:getInteger("BarsForFractal"));
indicator = iprofile:createInstance(tsource, iparams);
elseif id == 2 and period > 1 then
indicator:update(core.UpdateLast);
-- check whether the signal appears
if indicator.Buff1:hasData(period - 1) and indicator.Buff1:hasData(period) and indicator.Buff2:hasData(period - 1) and indicator.Buff2:hasData(period) then
local MinPr=math.min(indicator.Buff1[period],indicator.Buff2[period]);
local MaxPr=math.max(indicator.Buff1[period],indicator.Buff2[period]);
local MinPr1=math.min(indicator.Buff1[period-1],indicator.Buff2[period-1]);
local MaxPr1=math.max(indicator.Buff1[period-1],indicator.Buff2[period-1]);
if instance.parameters:getString("TypeSignal")=="direct" then
if tsource.close[period-1]<MaxPr1 and instance.bid[NOW]>=MaxPr and Flag~="Short" then
Flag="Short";
-- switch to short
if ShowAlert then
terminal:alertMessage(instance.bid:instrument(), instance.bid[NOW], "Enter Short", instance.bid:date(NOW));
end
if SoundFile ~= nil then
terminal:alertSound(SoundFile, RecurrentSound);
end
if Email ~= nil then
terminal:alertEmail (Email, "Enter Short", "SHI Channel Indicator have give Enter Short signal")
end
end
if tsource.close[period-1]>MinPr1 and instance.bid[NOW]<=MinPr and Flag~="Long" then
Flag="Long";
-- switch to long
if ShowAlert then
terminal:alertMessage(instance.bid:instrument(), instance.bid[NOW], "Enter Long", instance.bid:date(NOW));
end
if SoundFile ~= nil then
terminal:alertSound(SoundFile, RecurrentSound);
end
if Email ~= nil then
terminal:alertEmail (Email, "Enter Long", "SHI Channel Indicator have give Enter Long signal")
end
end
else
if tsource.close[period-1]<MaxPr1 and instance.bid[NOW]>=MaxPr and Flag~="Long" then
Flag="Long";
-- switch to long
if ShowAlert then
terminal:alertMessage(instance.bid:instrument(), instance.bid[NOW], "Enter Long", instance.bid:date(NOW));
end
if SoundFile ~= nil then
terminal:alertSound(SoundFile, RecurrentSound);
end
if Email ~= nil then
terminal:alertEmail (Email, "Enter Long", "SHI Channel Indicator have give Enter Long signal")
end
end
if tsource.close[period-1]>MinPr1 and instance.bid[NOW]<=MinPr and Flag~="Short" then
Flag="Short";
-- switch to short
if ShowAlert then
terminal:alertMessage(instance.bid:instrument(), instance.bid[NOW], "Enter Short", instance.bid:date(NOW));
end
if SoundFile ~= nil then
terminal:alertSound(SoundFile, RecurrentSound);
end
if Email ~= nil then
terminal:alertEmail (Email, "Enter Short", "SHI Channel Indicator have give Enter Short signal")
end
end
end
end
end
end
dofile(core.app_path() .. "\\strategies\\standard\\include\\helper.lua");