TRIX Indicator Overview
The TRIX (Triple Exponential Average) is a sophisticated momentum indicator designed to identify trends by smoothing out price fluctuations. Instead of reacting impulsively to every minor price tick, this script processes the data through multiple layers of averaging to highlight the underlying direction of the market.
How the Logic Works
The script follows a multi-stage calculation process to distill raw price data into actionable information:
- Primary Smoothing: The tool first takes the closing prices and applies a "Smoothed Moving Average" (SMMA). This initial step removes "noise" from the chart, creating a cleaner trend line.
- Double Smoothing: The script then takes that first smoothed result and averages it again using the same method. This creates an even more stable representation of the price movement.
- Triple Exponential Calculation: To reach the final TRIX value, the tool applies a third layer of averaging (an Exponential Moving Average) to the previously smoothed data.
- Rate of Change: Rather than just looking at the absolute price level, the script calculates the percentage change between these tripled averages. This allows the indicator to measure the velocity of the market—showing not just where the price is going, but how fast it is moving in that direction.
Visual Signals and Alerts
The script provides several layers of visual feedback on your chart:
- Trend Lines: You will see primary lines representing the calculated TRIX value and a "Signal" line. When these two lines interact, they provide clues about potential momentum shifts.
- Dynamic Arrows: The script automatically identifies specific crossover points. When the TRIX line crosses over the Signal line, it generates visual markers (arrows) to highlight potential entry or exit points.
- Real-Time Alerts: For active trading, the tool is programmed to monitor the current "live" candle. If a crossover occurs that meets the specific criteria of a trend reversal, the script will trigger a pop-up alert on your screen. This provides an immediate notification of a "Buy" or "Sell" opportunity based on the momentum shift.
Key Settings
- TRIX Period: Controls how much historical data is used for the primary smoothing. A higher number makes the indicator slower but smoother; a lower number makes it faster and more sensitive.
- Signal Period: Determines the speed of the Signal line. Adjusting this changes how quickly the arrows and alerts appear during a trend change.
- Signals Toggle: Allows you to turn the automated alert system and visual markers on or off depending on your trading preference.
Price Data Components
Indicators Used
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Trix_v2
/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| TRIX.mq4 |
//| by Raff |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, raff1410@o2.pl"
//---- indicator settings
#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1 Red
#property indicator_color2 DeepSkyBlue
#property indicator_color3 Yellow
#property indicator_color4 Aqua
#property indicator_color5 DarkGray
#property indicator_color6 DarkGray
#property indicator_width1 1
#property indicator_width2 1
#property indicator_width3 0
#property indicator_width4 0
#property indicator_width5 1
#property indicator_width6 1
#property indicator_style1 STYLE_SOLID
#property indicator_style2 STYLE_DOT
#property indicator_style3 STYLE_SOLID
#property indicator_style4 STYLE_SOLID
#property indicator_style5 STYLE_SOLID
#property indicator_style6 STYLE_SOLID
#property indicator_level1 0
//---- indicator parameters
extern int TRIX_Period = 13;
extern int Signal_Period = 8;
extern bool Signals = true;
extern int CountBars = 1500;
//---- indicator buffers
double ind_buffer1[];
double ind_buffer2[];
double ind_buffer3[];
double ind_buffer4[];
double ind_buffer5[];
double ind_buffer6[];
double ind_buffer7[];
//---- variables
static bool TurnedUp = false;
static bool TurnedDown = false;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- drawing settings
IndicatorBuffers(7);
SetIndexStyle(0,DRAW_LINE);
SetIndexStyle(1,DRAW_LINE);
SetIndexStyle(2,DRAW_ARROW);
SetIndexArrow(2,233);
SetIndexStyle(3,DRAW_ARROW);
SetIndexArrow(3,234);
SetIndexStyle(4,DRAW_LINE);
SetIndexStyle(5,DRAW_HISTOGRAM);
//---- indicator buffers mapping
SetIndexBuffer(0,ind_buffer1);
SetIndexBuffer(1,ind_buffer2);
SetIndexBuffer(2,ind_buffer3);
SetIndexBuffer(3,ind_buffer4);
SetIndexBuffer(4,ind_buffer5);
SetIndexBuffer(5,ind_buffer6);
SetIndexBuffer(6,ind_buffer7);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("TRIX index | Period: "+TRIX_Period+", Signal Period: "+Signal_Period+" | ");
SetIndexLabel(0,"TRIX");
SetIndexLabel(1,"Signal");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| TRIX |
//+------------------------------------------------------------------+
int start()
{
if (TRIX_Period==Signal_Period) return(0);
int i, limit=CountBars;
if (limit>Bars) limit=Bars-1;
//---- trix
for(i=0; i<limit; i++) ind_buffer1[i]=iMA(NULL,0,TRIX_Period,0,MODE_SMMA,PRICE_CLOSE,i);
for(i=0; i<limit; i++) ind_buffer2[i]=iMAOnArray(ind_buffer1,0,TRIX_Period,0,MODE_SMMA,i);
for(i=0; i<limit; i++) ind_buffer7[i]=iMAOnArray(ind_buffer2,0,TRIX_Period,0,MODE_EMA,i);
for(i=0; i<limit-1; i++) ind_buffer1[i]=(ind_buffer7[i]-ind_buffer7[i+1])/ind_buffer7[i+1];
for(i=0; i<limit-1; i++) ind_buffer2[i]=iMAOnArray(ind_buffer1,0,Signal_Period,0,MODE_EMA,i);
for(i=0; i<limit-1; i++) {ind_buffer5[i]=ind_buffer1[i]-ind_buffer2[i]; ind_buffer6[i]=ind_buffer5[i];}
//---- signals
i=limit-1;
while(i>=0)
{
if (Signals==true)
{
if (ind_buffer2[i]<ind_buffer1[i] && ind_buffer2[i+1]>=ind_buffer1[i+1]) ind_buffer3[i]=ind_buffer2[i]-0.0001;
if (ind_buffer2[i]>ind_buffer1[i] && ind_buffer2[i+1]<=ind_buffer1[i+1]) ind_buffer4[i]=ind_buffer2[i]+0.0001;
if (ind_buffer3[0]==ind_buffer2[0]-0.0001 && TurnedUp==false)
{
Alert("Trix Buy: ",Symbol()," - ",Period()," at ", Close[0]," - ", TimeToStr(CurTime(),TIME_SECONDS));
TurnedDown = false;
TurnedUp = true;
}
if (ind_buffer4[0]==ind_buffer2[0]+0.0001 && TurnedDown==false)
{
Alert("Trix SELL: ",Symbol()," - ",Period()," at ", Close[0]," - ", TimeToStr(CurTime(),TIME_SECONDS));
TurnedUp = false;
TurnedDown = true;
}
}
i--;
}
//---- done
return(0);
}
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