The HL Next Activator is a technical analysis tool designed for the MetaTrader 4 platform. Its primary purpose is to identify potential price entry points by calculating specific price levels based on historical high and low values across multiple timeframes.
Core Logic and Functionality
1. Multi-Timeframe Context Awareness The script is built with an intelligent awareness of different trading sessions and time cycles. It recognizes "delimiters," which are specific boundaries in time (such as the start of a new hour, day, or week). Instead of simply looking at the last few candles, the logic searches backward to find these significant chronological markers to ensure the data it analyzes is structurally consistent with the trading period being viewed.
2. Dynamic High and Low Averaging The tool calculates two primary values:
- Average High: The highest price reached during specific historical periods.
- Average Low: The lowest price reached during those same periods.
It identifies a set number of past periods (defined by the user) and extracts the extreme high and low prices from each. By averaging these extremes, the tool creates a "zone" or a baseline that represents significant historical price action.
3. Signal Generation Logic The script monitors the relationship between the current closing price and these calculated averages to determine when to display visual signals:
- Sell Signals: If the market price closes above the calculated Average High, the tool identifies a potential overextension and marks a level based on the Average Low.
- Buy Signals: If the market price closes below the calculated Average Low, the tool identifies a potential undershoot and marks a level based on the Average High.
- Trend Continuation: The script also includes logic to "carry over" signals. If a signal was active in the previous bar, it maintains the current average levels as long as the new price action doesn't trigger a reversal condition.
Visual Representation
The indicator manifests on the chart using specific visual markers:
- Blue Arrows: Represent the Buy Activator levels.
- Red Arrows: Represent the Sell Activator levels.
By filtering out "noise" and focusing on the extremes of previous sessions, the script aims to provide traders with a clearer picture of where price might react when it moves outside of established historical boundaries.
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HL Next Activator
//+------------------------------------------------------------------+
//| HL Next Activator.mq4 |
//| Rosh |
//| http://fx.winm.ru/book.htm |
//+------------------------------------------------------------------+
#property copyright "Rosh"
#property link "http://fx.winm.ru/book.htm"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//---- input parameters
extern int ActivatorPeriod=3;
extern int useFullPeriods=1;
//---- buffers
double SellActivator[];
double BuyActivator[];
int first,counterPeriod;
int DelimeterArray[30];
//+------------------------------------------------------------------+
//| Ïîëó÷èì ñëåäóþùèé ïåðèîä |
//+------------------------------------------------------------------+
string GetNextPeriod(int _Period)
{
string nextPeriod="";
//----
switch (_Period)
{
case 5: nextPeriod="H1"; break;
case 15: nextPeriod="H1"; break;
case 30: nextPeriod="H4"; break;
case 60: nextPeriod="H4"; break;
case 240: nextPeriod="D1"; break;
case 1440: nextPeriod="W1"; break;
case 10080: nextPeriod="M"; break;
default: Print("Íåäîïóñòèìûé ïåðèîä!!!");
}
//----
return(nextPeriod);
}
//+------------------------------------------------------------------+
//| Ïðîâåðèì - ðàçäåëèòåëü äèàïàçîíà èëè íåò |
//+------------------------------------------------------------------+
bool isDelimeter(int _Period, int _shift)
{
bool result=false;
//----
switch (_Period)
{
case 5:result=(TimeMinute(Time[_shift])==0); break;
case 15:result=(TimeMinute(Time[_shift])==0); break;
case 30:result=(TimeMinute(Time[_shift])==0)&& MathMod(TimeHour(Time[_shift]),4.0)==0.0; break;
case 60:result=(TimeMinute(Time[_shift])==0)&& MathMod(TimeHour(Time[_shift]),4.0)==0.0;break;
case 240:result=(TimeMinute(Time[_shift])==0)&&(TimeHour(Time[_shift])==0); break;
case 1440:result=(TimeDayOfWeek(Time[_shift])==1)&&(TimeHour(Time[_shift])==0); break;
case 10080:result=(TimeDay(Time[_shift])==1)||((TimeDay(Time[_shift])==2 && TimeDay(Time[_shift+1])!=1))||((TimeDay(Time[_shift])==3 && TimeDay(Time[_shift+1])!=2)); break;
default: Print("Íåäîïóñòèìûé ïåðèîä!!!");
}
//----
return(result);
}
//+------------------------------------------------------------------+
//| Âû÷èñëèòü ñðåäíèé High çà ActivatorPeriod ïåðèîäîâ |
//+------------------------------------------------------------------+
double AverageHigh(int _shift)
{
double AveragePeriodHigh=0.0,tempHigh;
int cnt=_shift;
first=0;
//----
counterPeriod=0;
while (counterPeriod<ActivatorPeriod+useFullPeriods)
{
while (!isDelimeter(Period(),cnt)) cnt++;
if (first==0) first=cnt;
DelimeterArray[counterPeriod]=cnt;
cnt++;
counterPeriod++;
}
cnt--;
for (cnt=ActivatorPeriod-1;cnt>0;cnt--)
{
tempHigh=High[Highest(NULL,0,MODE_HIGH,DelimeterArray[cnt]-DelimeterArray[cnt-1],DelimeterArray[cnt-1]+1)];
AveragePeriodHigh=AveragePeriodHigh+tempHigh;
}
if (useFullPeriods==1)
{
tempHigh=High[Highest(NULL,0,MODE_HIGH,DelimeterArray[ActivatorPeriod]-DelimeterArray[ActivatorPeriod-1],DelimeterArray[ActivatorPeriod-1]+1)];
AveragePeriodHigh=AveragePeriodHigh+tempHigh;
AveragePeriodHigh=AveragePeriodHigh/NormalizeDouble(ActivatorPeriod,0);
}
else
{
tempHigh=High[Highest(NULL,0,MODE_HIGH,DelimeterArray[0]-_shift,_shift)];
AveragePeriodHigh=AveragePeriodHigh+tempHigh;
AveragePeriodHigh=AveragePeriodHigh/NormalizeDouble(ActivatorPeriod,0);
}
//----
return(AveragePeriodHigh);
}
//+------------------------------------------------------------------+
//| Âû÷èñëèòü ñðåäíèé Low çà ActivatorPeriod ïåðèîäîâ |
//+------------------------------------------------------------------+
double AverageLow(int _shift)
{
double AveragePeriodLow=0.0,tempLow;
int cnt=_shift;
first=0;
//----
counterPeriod=0;
while (counterPeriod<ActivatorPeriod+useFullPeriods)
{
while (!isDelimeter(Period(),cnt)) cnt++;
if (first==0) first=cnt;
DelimeterArray[counterPeriod]=cnt;
cnt++;
counterPeriod++;
}
cnt--;
for (cnt=ActivatorPeriod-1;cnt>0;cnt--)
{
tempLow=Low[Lowest(NULL,0,MODE_LOW,DelimeterArray[cnt]-DelimeterArray[cnt-1],DelimeterArray[cnt-1]+1)];
AveragePeriodLow=AveragePeriodLow+tempLow;
}
if (useFullPeriods==1)
{
tempLow=Low[Lowest(NULL,0,MODE_LOW,DelimeterArray[ActivatorPeriod]-DelimeterArray[ActivatorPeriod-1],DelimeterArray[ActivatorPeriod-1]+1)];
AveragePeriodLow=AveragePeriodLow+tempLow;
AveragePeriodLow=AveragePeriodLow/NormalizeDouble(ActivatorPeriod,0);
}
else
{
tempLow=Low[Lowest(NULL,0,MODE_LOW,DelimeterArray[0]-_shift,_shift)];
AveragePeriodLow=AveragePeriodLow+tempLow;
AveragePeriodLow=AveragePeriodLow/NormalizeDouble(ActivatorPeriod,0);
}
//----
return(AveragePeriodLow);
}
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0,159);
SetIndexBuffer(0,SellActivator);
SetIndexEmptyValue(0,0.0);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1,159);
SetIndexBuffer(1,BuyActivator);
SetIndexEmptyValue(1,0.0);
if (useFullPeriods!=0) useFullPeriods=1;
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
int cnt,limit;
if (Period()==10080) return;
if (counted_bars<0) return(-1);
if (counted_bars>0) limit=Bars-counted_bars;
if (counted_bars==0)
{
// íàéòè ïåðâûé è âòîðîé ðàçäåëèòåëü è óñòàíîâèòü limit
cnt=Bars-1;
while (!isDelimeter(Period(),cnt)) cnt--;
first=cnt;
cnt--;
counterPeriod=0;
while (counterPeriod<ActivatorPeriod)
{
while (!isDelimeter(Period(),cnt)) cnt--;
cnt--;
counterPeriod++;
}
cnt++;
limit=cnt;
}
//----
for (int shift=limit;shift>=0;shift--)
{
if (Close[shift]>AverageHigh(shift))
{
SellActivator[shift]=AverageLow(shift);
BuyActivator[shift]=0.0;
continue;
}
if (Close[shift]<AverageLow(shift))
{
BuyActivator[shift]=AverageHigh(shift);
SellActivator[shift]=0.0;
continue;
}
if (BuyActivator[shift+1]!=0.0) BuyActivator[shift]=AverageHigh(shift);
if (SellActivator[shift+1]!=0.0) SellActivator[shift]=AverageLow(shift);
}
//----
return(0);
}
//+------------------------------------------------------------------+
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