MA_in_Color_001
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This technical indicator is designed to provide a visual representation of moving averages on a trading chart, using distinct colors to highlight the direction of market trends. Rather than just showing a single line, it translates mathematical data into a color-coded signal that helps traders quickly identify whether the price momentum is shifting upward or downward.
Core Functionality
The script calculates various types of Moving Averages (MA), which are tools used to smooth out price fluctuations and identify the general direction of the market. Users can choose from several standard calculation methods, including:
- Simple Moving Average (SMA)
- Exponential Moving Average (EMA)
- Smoothed Moving Average (SMMA)
- Linear Weighted Moving Average (LWMA)
- Least Squares Moving Average (LSMA)
How the Logic Works
The script continuously monitors the current moving average value and compares it to the previous period's value. By calculating the difference between these two points, the tool determines the "slope" of the trend:
- Upward Trend: When the current moving average value is higher than the previous one, the indicator signals an upward movement.
- Downward Trend: When the current moving average value is lower than the previous one, the indicator signals a downward movement.
- Neutral/Flat Movement: If there is no change between the values, the indicator remains neutral.
Visual Presentation
To make these trends easier to read at a glance, the script utilizes a three-buffer system to display different colors on the chart:
- Green: Highlights segments where the moving average is rising (bullish momentum).
- Red: Highlights segments where the moving average is falling (bearish momentum).
- Yellow: Acts as a baseline or secondary visual aid for the current trend line.
By automatically switching colors based on these mathematical shifts, the tool eliminates the need for traders to manually interpret whether a line is curving up or down, providing an immediate visual cue of the prevailing market direction.
//+------------------------------------------------------------------+
//| MA_In_Color.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| Modified from LSMA_In_Color to use any MA by Robert Hill |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, FX Sniper and Robert Hill"
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Yellow
#property indicator_color2 Green
#property indicator_color3 Red
extern int MAPeriod=14;
extern int MAType=1;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
//---- variables
int MAMode;
string strMAType;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(3);
//---- drawing settings
SetIndexBuffer(2,ExtMapBuffer1);
SetIndexBuffer(1,ExtMapBuffer2);
SetIndexBuffer(0,ExtMapBuffer3);
SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,2);
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
switch (MAType)
{
case 1: strMAType="EMA"; MAMode=MODE_EMA; break;
case 2: strMAType="SMMA"; MAMode=MODE_SMMA; break;
case 3: strMAType="LWMA"; MAMode=MODE_LWMA; break;
case 4: strMAType="LSMA"; break;
default: strMAType="SMA"; MAMode=MODE_SMA; break;
}
IndicatorShortName( strMAType+ " (" +MAPeriod + ") ");
//---- initialization done
return(0);
}
double LSMA(int Rperiod, int shift)
{
int i;
double sum;
int length;
double lengthvar;
double tmp;
double wt;
length = Rperiod;
sum = 0;
for(i = length; i >= 1 ; i--)
{
lengthvar = length + 1;
lengthvar /= 3;
tmp = 0;
tmp = ( i - lengthvar)*Close[length-i+shift];
sum+=tmp;
}
wt = sum*6/(length*(length+1));
return(wt);
}
int start()
{
double MA_Cur, MA_Prev;
int limit;
int counted_bars = IndicatorCounted();
//---- check for possible errors
if (counted_bars<0) return(-1);
//---- last counted bar will be recounted
if (counted_bars>0) counted_bars--;
limit = Bars - counted_bars;
for(int i=limit; i>=0; i--)
{
if (MAType == 4)
{
MA_Cur = LSMA(MAPeriod,i);
MA_Prev = LSMA(MAPeriod,i+1);
}
else
{
MA_Cur = iMA(NULL,0,MAPeriod,0,MAMode,PRICE_CLOSE,i);
MA_Prev = iMA(NULL,0,MAPeriod,0,MAMode,PRICE_CLOSE,i+1);
}
//========== COLOR CODING ===========================================
ExtMapBuffer3[i] = MA_Cur; //red
ExtMapBuffer2[i] = MA_Cur; //green
ExtMapBuffer1[i] = MA_Cur; //yellow
if (MA_Prev > MA_Cur)
{
ExtMapBuffer2[i] = EMPTY_VALUE;
}
else if (MA_Prev < MA_Cur)
{
ExtMapBuffer1[i] = EMPTY_VALUE; //-1 red/greem tight
}
else
{
ExtMapBuffer1[i]=EMPTY_VALUE;//EMPTY_VALUE;
ExtMapBuffer2[i]=EMPTY_VALUE;//EMPTY_VALUE;
}
}
return(0);
}
//+------------------------------------------------------------------+
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