This tool is designed to act as an automated monitoring system for traders who use the MACD (Moving Average Convergence Divergence) technical indicator. Its primary purpose is to simplify market analysis by providing real-time notifications when specific momentum shifts occur on a trading chart.
How the Logic Works
The script operates by continuously analyzing two distinct components of the MACD indicator: the Main Line and the Signal Line. In technical trading, these lines represent the relationship between short-term and long-term price trends; when they move in different directions or intersect, it often signals a potential change in market momentum.
Here is the step-by-step logic the script follows:
- Data Tracking: The tool monitors the current values of both the Main Line and the Signal Line for the most recent completed bar (the previous candle) as well as the active, live bar.
- Cross Detection: The core "intelligence" of the script lies in its ability to detect a Crossover. It specifically looks for moments where the Main Line transitions from being above to below the Signal Line, or vice versa.
- The Alert Trigger: To ensure accuracy and avoid false signals caused by minor price fluctuations, the script compares the state of the lines between the previous finished candle and the current live price. If it detects that a crossover has just occurred, it immediately triggers a visual and audible alert on your platform.
Key Benefits for the User
- Hands-Free Monitoring: Instead of staring at charts constantly to catch the exact moment two lines cross, you can continue other tasks while the script "watches" the market for you.
- Immediate Notification: By providing an instant "MACD CROSS" alert, the tool helps traders identify potential entry or exit points with greater speed.
- Customizable Sensitivity: The logic allows for adjustable periods (Fast, Slow, and Signal settings), meaning the script can be tuned to be more sensitive to quick price movements or more stable for identifying long-term trends depending on your trading style.
Indicators Used
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Alert_MACD
//+------------------------------------------------------------------+
//| Alert_MACD.mq4 |
//| Kalenzo |
//| bartlomiej.gorski@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Kalenzo"
#property link "bartlomiej.gorski@gmail.com"
extern int fast_ema_period = 12;
extern int slow_ema_period = 26;
extern int signal_period = 9;
extern int appiled_price = PRICE_CLOSE;
#property indicator_chart_window
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
//----
double macd = iMACD(Symbol(),0,fast_ema_period,slow_ema_period,signal_period,appiled_price,MODE_MAIN,0);
double macdsig = iMACD(Symbol(),0,fast_ema_period,slow_ema_period,signal_period,appiled_price,MODE_SIGNAL,0);
double pmacd = iMACD(Symbol(),0,fast_ema_period,slow_ema_period,signal_period,appiled_price,MODE_MAIN,1);
double pmacdsig = iMACD(Symbol(),0,fast_ema_period,slow_ema_period,signal_period,appiled_price,MODE_SIGNAL,1);
if((pmacd >= pmacdsig && macd < macdsig) || (pmacd <= pmacdsig && macd > macdsig) )
Alert(Symbol()+" MACD CROSS");
//----
return(0);
}
//+------------------------------------------------------------------+
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