SATL_002
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The SATL indicator is a specialized technical analysis tool designed for the MetaTrader platform. Its primary purpose is to provide traders with a smoothed visual representation of price action by calculating a specific weighted value based on historical data.
How the Logic Works
Unlike standard moving averages that might treat every previous price point with equal importance, this script utilizes a weighted calculation method. Here is a breakdown of its underlying logic:
- Historical Data Scope: The indicator looks back at a fixed window of 65 historical price points (specifically the closing prices) to determine its current value.
- Weighting System: Each of these 65 price points is assigned a unique numerical multiplier. This means that not all past prices impact the final line equally; some are given significantly more weight than others, while some are even subtracted from the total.
- Dynamic Calculation: As new price data becomes available on the chart, the indicator recalculates the sum of these weighted values. The result is plotted as a continuous blue line on your trading window.
- Visual Smoothing: By balancing various historical prices against one another using these specific coefficients, the indicator aims to filter out "market noise." This helps traders identify the underlying trend of an asset more clearly without being distracted by minor, short-term fluctuations.
Summary for Traders
In practical terms, this script acts as a sophisticated smoothing line. It processes a specific "recipe" of historical prices to determine where the current price sits in relation to its recent past. Because it uses precise weights for each data point, it provides a unique perspective on momentum and trend direction, helping you visualize the path of the market more smoothly than a standard price chart alone.
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SATL_002
//+------------------------------------------------------------------+
//| SATL.mq4
//|
//+------------------------------------------------------------------+
#property copyright "Copyright 2002, Finware.ru Ltd."
#property link "http://www.finware.ru/"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Blue
//---- buffers
double SATLBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- indicator line
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,SATLBuffer);
SetIndexDrawBegin(0,64);
//----
return(0);
}
//+------------------------------------------------------------------+
//| SATL |
//+------------------------------------------------------------------+
int start()
{
int i,counted_bars=IndicatorCounted();
//----
if(Bars<=64) return(0);
//---- initial zero
if(counted_bars<64)
for(i=1;i<=0;i++) SATLBuffer[Bars-i]=0.0;
//----
i=Bars-64-1;
if(counted_bars>=64) i=Bars-counted_bars-1;
while(i>=0)
{
SATLBuffer[i]=
0.0982862174*Close[i+0]
+0.0975682269*Close[i+1]
+0.0961401078*Close[i+2]
+0.0940230544*Close[i+3]
+0.0912437090*Close[i+4]
+0.0878391006*Close[i+5]
+0.0838544303*Close[i+6]
+0.0793406350*Close[i+7]
+0.0743569346*Close[i+8]
+0.0689666682*Close[i+9]
+0.0632381578*Close[i+10]
+0.0572428925*Close[i+11]
+0.0510534242*Close[i+12]
+0.0447468229*Close[i+13]
+0.0383959950*Close[i+14]
+0.0320735368*Close[i+15]
+0.0258537721*Close[i+16]
+0.0198005183*Close[i+17]
+0.0139807863*Close[i+18]
+0.0084512448*Close[i+19]
+0.0032639979*Close[i+20]
-0.0015350359*Close[i+21]
-0.0059060082*Close[i+22]
-0.0098190256*Close[i+23]
-0.0132507215*Close[i+24]
-0.0161875265*Close[i+25]
-0.0186164872*Close[i+26]
-0.0205446727*Close[i+27]
-0.0219739146*Close[i+28]
-0.0229204861*Close[i+29]
-0.0234080863*Close[i+30]
-0.0234566315*Close[i+31]
-0.0231017777*Close[i+32]
-0.0223796900*Close[i+33]
-0.0213300463*Close[i+34]
-0.0199924534*Close[i+35]
-0.0184126992*Close[i+36]
-0.0166377699*Close[i+37]
-0.0147139428*Close[i+38]
-0.0126796776*Close[i+39]
-0.0105938331*Close[i+40]
-0.0084736770*Close[i+41]
-0.0063841850*Close[i+42]
-0.0043466731*Close[i+43]
-0.0023956944*Close[i+44]
-0.0005535180*Close[i+45]
+0.0011421469*Close[i+46]
+0.0026845693*Close[i+47]
+0.0040471369*Close[i+48]
+0.0052380201*Close[i+49]
+0.0062194591*Close[i+50]
+0.0070340085*Close[i+51]
+0.0076266453*Close[i+52]
+0.0080376628*Close[i+53]
+0.0083037666*Close[i+54]
+0.0083694798*Close[i+55]
+0.0082901022*Close[i+56]
+0.0080741359*Close[i+57]
+0.0077543820*Close[i+58]
+0.0073260526*Close[i+59]
+0.0068163569*Close[i+60]
+0.0062325477*Close[i+61]
+0.0056078229*Close[i+62]
+0.0049516078*Close[i+63]
+0.0161380976*Close[i+64];
i--;
}
return(0);
}
//+------------------------------------------------------------------+
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