This script is designed as a visual trading tool for MetaTrader 4, specifically created to identify and highlight "breakout" opportunities based on specific time windows during the trading day. It focuses on identifying price boundaries during early sessions and signaling when the market moves beyond those established limits.
Core Logic and Functionality
Time-Based Zone Identification The tool automatically segments the trading day into specific periods. It tracks the highest and lowest prices reached during two distinct morning windows (specifically defined as 04:00–08:00 and 08:00–12:00). By isolating these times, the script creates "zones" of volatility.
Dynamic Boundary Projection Once a specific time period ends, the script calculates the extreme highs and lows for that window and projects them forward onto your chart. These projections appear as horizontal boundaries:
- Zone 1: Represents the price limits established during the first identified period.
- Zone 2: Represents the price limits established during the second identified period.
The script adds a customizable "buffer" (in pips) to these high and low marks. This ensures that a signal is only triggered when the price moves significantly beyond the previous session's range, rather than just touching it.
Breakout Detection The tool constantly monitors the live market price against these projected boundaries. It looks for specific price actions that indicate a "breakout":
- Buy Signals: Triggered when the price moves from below a boundary to above it (an upward breakout).
- Sell Signals: Triggered when the price moves from above a boundary to below it (a downward breakout).
Visual Output and Notifications To make this data actionable for the user, the script provides three layers of visual information:
- Boundary Lines: It draws the upper and lower limits for both zones directly on the chart so you can see where the "walls" are.
- Signal Markers: It places distinct symbols (arrows) on the chart at the exact moment a price breakout occurs.
- Alerts: The script can be configured to send an instant pop-up alert on your screen whenever a new breakout signal is detected, allowing for immediate reaction to fast-moving market moves.
Summary for the User
Essentially, this tool helps you ignore "market noise" during the middle of the day by focusing on the price limits set during the early morning hours. It tells you exactly where the current boundaries are and notifies you the moment the market breaks through them, supporting a breakout trading strategy.
/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| TZ-Breaktout.mq4 |
//| Shimodax |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright Shimodax"
#property link "http://www.strategybuilderfx.com/forums/showthread.php?t=15439"
/* Introduction:
Draw ranges for "Simple Combined Breakout System for EUR/USD and GBP/USD" thread
(see http://www.strategybuilderfx.com/forums/showthread.php?t=15439)
TimeZoneOfData: TimeZone for which MT4 shows your local time,
e.g. 1 or 2 for Europe (GMT+1 or GMT+2 (daylight
savings time). Use zero for no adjustment.
The MetaQuotes demo server uses GMT +2.
Enjoy :-)
Markus
*/
#property indicator_chart_window
#property indicator_buffers 5
#property indicator_color1 DarkKhaki
#property indicator_color2 DarkKhaki
#property indicator_color3 Khaki
#property indicator_color4 Khaki
#property indicator_color5 Gold
extern bool DoEntryAlerts= false;
extern int TimeZoneOfData= 1; // time zone of metatrader charts
extern int PipsForEntry= 5;
int DestTimeZone= 0; // dest time zone for time computation (leave as zero (GMT))
double Zone1Upper[];
double Zone2Upper[];
double Zone1Lower[];
double Zone2Lower[];
double EntrySignalsBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,Zone1Upper);
SetIndexEmptyValue(0, 0.0);
SetIndexLabel(0, "Upper Zone 1");
SetIndexStyle(1,DRAW_LINE);
SetIndexBuffer(1,Zone1Lower);
SetIndexEmptyValue(1, 0.0);
SetIndexLabel(1, "Lower Zone 1");
SetIndexStyle(2,DRAW_LINE);
SetIndexBuffer(2,Zone2Upper);
SetIndexEmptyValue(2, 0.0);
SetIndexLabel(2, "Upper Zone 2");
SetIndexStyle(3,DRAW_LINE);
SetIndexBuffer(3,Zone2Lower);
SetIndexEmptyValue(3, 0.0);
SetIndexLabel(3, "Lower Zone 2");
SetIndexStyle(4,DRAW_ARROW);
SetIndexArrow(4, 162);
SetIndexBuffer(4, EntrySignalsBuffer);
SetIndexEmptyValue(4, 0.0);
SetIndexLabel(4, "Zone Breakout Signal");
return(0);
}
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars= IndicatorCounted(),
lastbar, result;
if (Bars<=100)
return(0);
if (counted_bars>0)
counted_bars--;
lastbar= Bars - counted_bars;
//
// compute ranges
//
BreakoutRanges(0, lastbar, TimeZoneOfData, DestTimeZone);
//
// check alerts
//
static datetime lastalerttime;
static double lastalertprice;
if (DoEntryAlerts && lastalerttime!=Time[0] && EntrySignalsBuffer[0]!=0 && EntrySignalsBuffer[0]!=lastalertprice) {
Alert("ZoneBreakout signals entry!");
lastalerttime= Time[0];
lastalertprice= EntrySignalsBuffer[0];
}
else {
lastalerttime= 0;
lastalertprice= 0.0;
}
return(0);
}
//+------------------------------------------------------------------+
//| Compute Breakout ranges for daily time periods |
//+------------------------------------------------------------------+
int BreakoutRanges(int offset, int lastbar, int tzlocal, int tzdest)
{
int i, j, k,
tzdiff= tzlocal - tzdest,
tzdiffsec= tzdiff*3600,
tidxstart[2]= { 0, 0},
tidxend[2]= { 0, 0 };
double thigh[2]= { 0.0, 0.0 },
tlow[2]= { 99999.9, 99999.9 };
string tfrom[3]= { "04:00", "08:00" , /*rest of day: */ "12:00"},
tto[3]= { "08:00", "12:00", /*rest of day: */ "24:00" },
tday;
bool inperiod= -1;
datetime timet;
//
// search back for the beginning of the day
//
tday= TimeToStr(Time[lastbar]-tzdiffsec, TIME_DATE);
for ( ; lastbar<Bars; lastbar++) {
if (TimeToStr(Time[lastbar] - tzdiffsec, TIME_DATE)!=tday) {
lastbar--;
break;
}
}
//
// find the high/low for the two periods and carry them forward through the day
//
tday= "XXX";
for (i= lastbar; i>=offset; i--) {
timet= Time[i] - tzdiffsec; // time of this bar
string timestr= TimeToStr(timet, TIME_MINUTES), // current time HH:MM
thisday= TimeToStr(timet, TIME_DATE); // current date
EntrySignalsBuffer[i]= 0;
//
// for all three periods (first period, second period, rest of day)
//
for (j= 0; j<3; j++) {
if (tfrom[j]<=timestr && timestr<tto[j]) { // Bar[i] in this period
if (inperiod!=j) { // entered new period, so last one is completed
if (j>0) { // now draw high/low back over the recently completed period
for (k= tidxstart[j-1]; k>=tidxend[j-1]; k--) {
if (j-1==0) {
Zone1Upper[k]= thigh[j-1];
Zone1Lower[k]= tlow[j-1];
}
if (j-1==1) {
Zone2Upper[k]= thigh[j-1];
Zone2Lower[k]= tlow[j-1];
}
}
}
inperiod= j; // remember current period
}
if (inperiod==2) // inperiod==2 (end of day) is just to check completion of zone 2
break;
// for the current period find idxstart, idxend and compute high/low
if (tidxstart[j]==0) {
tidxstart[j]= i;
tday= thisday;
}
tidxend[j]= i;
thigh[j]= MathMax(thigh[j], High[i]);
tlow[j]= MathMin(tlow[j], Low[i]);
}
}
//
// carry forward the periods for which we have definite high/lows
//
if (inperiod>=1 && tday==thisday) { // first time period completed
Zone1Upper[i]= thigh[0] + PipsForEntry*Point;
Zone1Lower[i]= tlow[0] - PipsForEntry*Point;
if (inperiod>=2) { // second period completed
Zone2Upper[i]= thigh[1] + PipsForEntry*Point;
Zone2Lower[i]= tlow[1] - PipsForEntry*Point;
}
CheckSignal(i, Zone1Upper[i], OP_BUY, EntrySignalsBuffer);
CheckSignal(i, Zone1Lower[i], OP_SELL, EntrySignalsBuffer);
CheckSignal(i, Zone2Upper[i], OP_BUY, EntrySignalsBuffer);
CheckSignal(i, Zone2Lower[i], OP_SELL, EntrySignalsBuffer);
}
else { // none yet to carry forward (zero to clear old values, e.g. from switching timeframe)
Zone1Upper[i]= 0;
Zone1Lower[i]= 0;
Zone2Upper[i]= 0;
Zone2Lower[i]= 0;
}
//
// at the beginning of a new day reset everything
//
if (tday!="XXX" && tday!=thisday || TimeToStr(timet, TIME_MINUTES)>=tto[2]) {
// Print("#", i, "new day ", thisday, "/", tday);
tday= "XXX";
inperiod= -1;
for (j= 0; j<2; j++) {
tidxstart[j]= 0;
tidxend[j]= 0;
thigh[j]= 0;
tlow[j]= 99999;
}
}
}
return (0);
}
//+------------------------------------------------------------------+
//| Check price break |
//+------------------------------------------------------------------+
bool CheckSignal(int shift, double price, int type, double &signalbuffer[])
{
bool signal= false;
if (type==OP_BUY && ((Open[shift]<price && High[shift]>price) || (Close[shift+1]<price && Open[shift]>price)) ) {
signalbuffer[shift]= price;
signal= true;
}
if (type==OP_SELL && (Open[shift]>price && Low[shift]<price) || (Close[shift+1]>price && Open[shift]<price)) {
signalbuffer[shift]= price;
signal= true;
}
return (signal);
}
Comments