This tool is designed to provide traders with a clear visual representation of global market activity by highlighting key trading sessions directly on their price charts. Instead of manually calculating when different markets open and close, this script automatically maps out these timeframes to help users identify periods of high liquidity and volatility.
Core Functionality
The primary purpose of the script is to divide the trading day into three distinct zones: the Asian, European, and American sessions. It handles the heavy lifting by scanning the historical data to place visual "blocks" on your chart that correspond to these specific times.
Key Features and Logic
- Dynamic Session Mapping: The script allows you to define specific start and end times for each of the three major global markets. It then automatically draws colored rectangular zones on the chart. This makes it immediately obvious which market is currently active or about to open.
- Visual Organization: Each session is assigned a unique color (e.g., Goldrod, Tan, and Pink), allowing for instant visual distinction between different geographical trading regions.
- Historical Data Coverage: You can choose how many past days you want the script to display. This is useful for reviewing previous price action and seeing how markets behaved during specific sessions in the past.
- Price Level Identification: Beyond just showing time blocks, the script has the capability to identify and display key price levels (Highs and Lows) within those specific sessions. It can place text labels on the chart to mark these significant price points, helping traders identify "zones of interest" or support/resistance areas formed during a session.
- Automated Date Handling: The logic includes a specialized calculation to navigate through calendar dates. It intelligently understands how to move backward in time while skipping over non-trading days (like weekends), ensuring that the highlighted blocks remain accurately aligned with the trading week.
How it Benefits the Trader
By using this script, you remove the guesswork of manual time tracking. It provides a structured environment where you can see at a glance:
- Market Context: Quickly identify if the current price movement is driven by Asian, European, or American volume.
- Trend Analysis: Review historical "highs" and "lows" from previous sessions to better anticipate future price movements.
- Clean Interface: The script handles its own cleanup; it creates the necessary visual objects when loaded and removes them when you close the indicator, keeping your chart organized and free of "clutter."
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Sessions_v2
//+------------------------------------------------------------------+
//| i-Sessions.mq4 |
//| Êèì Èãîðü Â. aka KimIV |
//| http://www.kimiv.ru |
//| |
//| 16.11.2005 Èíäèêàòîð òîðãîâûõ ñåññèé |
//+------------------------------------------------------------------+
#property copyright "Êèì Èãîðü Â. aka KimIV"
#property link "http://www.kimiv.ru"
#property indicator_chart_window
//------- Âíåøíèå ïàðàìåòðû èíäèêàòîðà -------------------------------
extern int NumberOfDays = 2; // Êîëè÷åñòâî äíåé
extern string AsiaBegin = "01:00"; // Îòêðûòèå àçèàòñêîé ñåññèè
extern string AsiaEnd = "10:00"; // Çàêðûòèå àçèàòñêîé ñåññèè
extern color AsiaColor = Goldenrod; // Öâåò àçèàòñêîé ñåññèè
extern string EurBegin = "07:00"; // Îòêðûòèå åâðîïåéñêîé ñåññèè
extern string EurEnd = "16:00"; // Çàêðûòèå åâðîïåéñêîé ñåññèè
extern color EurColor = Tan; // Öâåò åâðîïåéñêîé ñåññèè
extern string USABegin = "14:00"; // Îòêðûòèå àìåðèêàíñêîé ñåññèè
extern string USAEnd = "23:00"; // Çàêðûòèå àìåðèêàíñêîé ñåññèè
extern color USAColor = Pink; // Öâåò àìåðèêàíñêîé ñåññèè
extern bool ShowPrice = True; // Ïîêàçûâàòü öåíîâûå óðîâíè
extern color clFont = Blue; // Öâåò øðèôòà
extern int SizeFont = 8; // Ðàçìåð øðèôòà
extern int OffSet = 10; // Ñìåùåíèå
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
void init() {
DeleteObjects();
for (int i=0; i<NumberOfDays; i++) {
CreateObjects("AS"+i, AsiaColor);
CreateObjects("EU"+i, EurColor);
CreateObjects("US"+i, USAColor);
}
Comment("");
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
void deinit() {
DeleteObjects();
Comment("");
}
//+------------------------------------------------------------------+
//| Ñîçäàíèå îáúåêòîâ èíäèêàòîðà |
//| Ïàðàìåòðû: |
//| no - íàèìåíîâàíèå îáúåêòà |
//| cl - öâåò îáúåêòà |
//+------------------------------------------------------------------+
void CreateObjects(string no, color cl) {
ObjectCreate(no, OBJ_RECTANGLE, 0, 0,0, 0,0);
ObjectSet(no, OBJPROP_STYLE, STYLE_SOLID);
ObjectSet(no, OBJPROP_COLOR, cl);
ObjectSet(no, OBJPROP_BACK, True);
}
//+------------------------------------------------------------------+
//| Óäàëåíèå îáúåêòîâ èíäèêàòîðà |
//+------------------------------------------------------------------+
void DeleteObjects() {
for (int i=0; i<NumberOfDays; i++) {
ObjectDelete("AS"+i);
ObjectDelete("EU"+i);
ObjectDelete("US"+i);
}
ObjectDelete("ASup");
ObjectDelete("ASdn");
ObjectDelete("EUup");
ObjectDelete("EUdn");
ObjectDelete("USup");
ObjectDelete("USdn");
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
void start() {
datetime dt=CurTime();
for (int i=0; i<NumberOfDays; i++) {
if (ShowPrice && i==0) {
DrawPrices(dt, "AS", AsiaBegin, AsiaEnd);
DrawPrices(dt, "EU", EurBegin, EurEnd);
DrawPrices(dt, "US", USABegin, USAEnd);
}
DrawObjects(dt, "AS"+i, AsiaBegin, AsiaEnd);
DrawObjects(dt, "EU"+i, EurBegin, EurEnd);
DrawObjects(dt, "US"+i, USABegin, USAEnd);
dt=decDateTradeDay(dt);
while (TimeDayOfWeek(dt)>5) dt=decDateTradeDay(dt);
}
}
//+------------------------------------------------------------------+
//| Ïðîðèñîâêà îáúåêòîâ íà ãðàôèêå |
//| Ïàðàìåòðû: |
//| dt - äàòà òîðãîâîãî äíÿ |
//| no - íàèìåíîâàíèå îáúåêòà |
//| tb - âðåìÿ íà÷àëà ñåññèè |
//| te - âðåìÿ îêîí÷àíèÿ ñåññèè |
//+------------------------------------------------------------------+
void DrawObjects(datetime dt, string no, string tb, string te) {
datetime t1, t2;
double p1, p2;
int b1, b2;
t1=StrToTime(TimeToStr(dt, TIME_DATE)+" "+tb);
t2=StrToTime(TimeToStr(dt, TIME_DATE)+" "+te);
b1=iBarShift(NULL, 0, t1);
b2=iBarShift(NULL, 0, t2);
p1=High[Highest(NULL, 0, MODE_HIGH, b1-b2, b2)];
p2=Low [Lowest (NULL, 0, MODE_LOW , b1-b2, b2)];
ObjectSet(no, OBJPROP_TIME1 , t1);
ObjectSet(no, OBJPROP_PRICE1, p1);
ObjectSet(no, OBJPROP_TIME2 , t2);
ObjectSet(no, OBJPROP_PRICE2, p2);
}
//+------------------------------------------------------------------+
//| Ïðîðèñîâêà öåíîâûõ ìåòîê íà ãðàôèêå |
//| Ïàðàìåòðû: |
//| dt - äàòà òîðãîâîãî äíÿ |
//| no - íàèìåíîâàíèå îáúåêòà |
//| tb - âðåìÿ íà÷àëà ñåññèè |
//| te - âðåìÿ îêîí÷àíèÿ ñåññèè |
//+------------------------------------------------------------------+
void DrawPrices(datetime dt, string no, string tb, string te) {
datetime t1, t2;
double p1, p2;
int b1, b2;
t1=StrToTime(TimeToStr(dt, TIME_DATE)+" "+tb);
t2=StrToTime(TimeToStr(dt, TIME_DATE)+" "+te);
b1=iBarShift(NULL, 0, t1);
b2=iBarShift(NULL, 0, t2);
p1=High[Highest(NULL, 0, MODE_HIGH, b1-b2, b2)];
p2=Low [Lowest (NULL, 0, MODE_LOW , b1-b2, b2)];
if (ObjectFind(no+"up")<0) ObjectCreate(no+"up", OBJ_TEXT, 0, 0,0);
ObjectSet(no+"up", OBJPROP_TIME1 , t2);
ObjectSet(no+"up", OBJPROP_PRICE1 , p1+OffSet*Point);
ObjectSet(no+"up", OBJPROP_COLOR , clFont);
ObjectSet(no+"up", OBJPROP_FONTSIZE, SizeFont);
ObjectSetText(no+"up", DoubleToStr(p1+Ask-Bid, Digits));
if (ObjectFind(no+"dn")<0) ObjectCreate(no+"dn", OBJ_TEXT, 0, 0,0);
ObjectSet(no+"dn", OBJPROP_TIME1 , t2);
ObjectSet(no+"dn", OBJPROP_PRICE1 , p2);
ObjectSet(no+"dn", OBJPROP_COLOR , clFont);
ObjectSet(no+"dn", OBJPROP_FONTSIZE, SizeFont);
ObjectSetText(no+"dn", DoubleToStr(p2, Digits));
}
//+------------------------------------------------------------------+
//| Óìåíüøåíèå äàòû íà îäèí òîðãîâûé äåíü |
//| Ïàðàìåòðû: |
//| dt - äàòà òîðãîâîãî äíÿ |
//+------------------------------------------------------------------+
datetime decDateTradeDay (datetime dt) {
int ty=TimeYear(dt);
int tm=TimeMonth(dt);
int td=TimeDay(dt);
int th=TimeHour(dt);
int ti=TimeMinute(dt);
td--;
if (td==0) {
tm--;
if (tm==0) {
ty--;
tm=12;
}
if (tm==1 || tm==3 || tm==5 || tm==7 || tm==8 || tm==10 || tm==12) td=31;
if (tm==2) if (MathMod(ty, 4)==0) td=29; else td=28;
if (tm==4 || tm==6 || tm==9 || tm==11) td=30;
}
return(StrToTime(ty+"."+tm+"."+td+" "+th+":"+ti));
}
//+------------------------------------------------------------------+
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