SATLs_v1
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This technical indicator is designed to analyze market trends by calculating a weighted momentum shift based on historical price data. Instead of simply looking at the current price, it evaluates a specific window of recent price history to determine the underlying direction of the market.
How the Logic Works
1. Weighted Price Analysis The core of this script involves a sophisticated calculation where each of the last 65 closing prices is assigned a unique numerical weight. These weights are not equal; some are positive, while others are negative. By multiplying the price of each bar by its specific weight and summing them up, the tool creates a "weighted value" for two consecutive points in time.
2. Momentum Comparison The script performs this calculation twice: once for the current set of data and once for the previous set. It then finds the difference between these two results. This difference allows the indicator to detect subtle changes in momentum—identifying whether the market's "weight" is shifting upward or downward.
3. Trend Detection and Signal Generation The tool looks for a specific "flip" in the trend:
- Buy Signals (Upward): When the calculated momentum shifts from negative to positive, the script identifies a potential upward trend. It places a visual arrow below the lowest price of that candle.
- Sell Signals (Downward): When the calculated momentum shifts from positive to negative, the script identifies a potential downward trend. It places a visual arrow above the highest price of that candle.
4. Visual Output The indicator is designed to keep the chart clean by only displaying signals at the exact moment the trend changes (the "crossover"). This helps traders identify turning points without being overwhelmed by constant data, providing a clear visual cue for potential trend reversals based on the mathematical weighting of recent price action.
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SATLs_v1
/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| SATLs.mq4
//| Ramdass - Conversion only
//+------------------------------------------------------------------+
#property copyright "Copyright 2002, Finware.ru Ltd."
#property link "http://www.finware.ru/"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 DeepSkyBlue
#property indicator_color2 Red
extern int CountBars=300;
//---- buffers
double UPBuffer[];
double DownBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicator line
IndicatorBuffers(2);
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0,241);
SetIndexBuffer(0,UPBuffer);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1,242);
SetIndexBuffer(1,DownBuffer);
//----
return(0);
}
//+------------------------------------------------------------------+
//| SATLs |
//+------------------------------------------------------------------+
int start()
{
SetIndexDrawBegin(0,Bars-CountBars+38);
SetIndexDrawBegin(1,Bars-CountBars+38);
int i,counted_bars=IndicatorCounted();
double val1, val2, i1;
bool trend,old;
//----
if(Bars<=38) return(0);
//---- initial zero
if(counted_bars<38)
{
for(i=1;i<=0;i++) UPBuffer[CountBars-i]=0.0;
for(i=1;i<=0;i++) DownBuffer[CountBars-i]=0.0;
}
//----
i=CountBars-38-1;
// if(counted_bars>=38) i=Bars-counted_bars-1;
while(i>=0)
{
val1=
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];
val2=
0.0982862174*Close[i+0+1]
+0.0975682269*Close[i+1+1]
+0.0961401078*Close[i+2+1]
+0.0940230544*Close[i+3+1]
+0.0912437090*Close[i+4+1]
+0.0878391006*Close[i+5+1]
+0.0838544303*Close[i+6+1]
+0.0793406350*Close[i+7+1]
+0.0743569346*Close[i+8+1]
+0.0689666682*Close[i+9+1]
+0.0632381578*Close[i+10+1]
+0.0572428925*Close[i+11+1]
+0.0510534242*Close[i+12+1]
+0.0447468229*Close[i+13+1]
+0.0383959950*Close[i+14+1]
+0.0320735368*Close[i+15+1]
+0.0258537721*Close[i+16+1]
+0.0198005183*Close[i+17+1]
+0.0139807863*Close[i+18+1]
+0.0084512448*Close[i+19+1]
+0.0032639979*Close[i+20+1]
-0.0015350359*Close[i+21+1]
-0.0059060082*Close[i+22+1]
-0.0098190256*Close[i+23+1]
-0.0132507215*Close[i+24+1]
-0.0161875265*Close[i+25+1]
-0.0186164872*Close[i+26+1]
-0.0205446727*Close[i+27+1]
-0.0219739146*Close[i+28+1]
-0.0229204861*Close[i+29+1]
-0.0234080863*Close[i+30+1]
-0.0234566315*Close[i+31+1]
-0.0231017777*Close[i+32+1]
-0.0223796900*Close[i+33+1]
-0.0213300463*Close[i+34+1]
-0.0199924534*Close[i+35+1]
-0.0184126992*Close[i+36+1]
-0.0166377699*Close[i+37+1]
-0.0147139428*Close[i+38+1]
-0.0126796776*Close[i+39+1]
-0.0105938331*Close[i+40+1]
-0.0084736770*Close[i+41+1]
-0.0063841850*Close[i+42+1]
-0.0043466731*Close[i+43+1]
-0.0023956944*Close[i+44+1]
-0.0005535180*Close[i+45+1]
+0.0011421469*Close[i+46+1]
+0.0026845693*Close[i+47+1]
+0.0040471369*Close[i+48+1]
+0.0052380201*Close[i+49+1]
+0.0062194591*Close[i+50+1]
+0.0070340085*Close[i+51+1]
+0.0076266453*Close[i+52+1]
+0.0080376628*Close[i+53+1]
+0.0083037666*Close[i+54+1]
+0.0083694798*Close[i+55+1]
+0.0082901022*Close[i+56+1]
+0.0080741359*Close[i+57+1]
+0.0077543820*Close[i+58+1]
+0.0073260526*Close[i+59+1]
+0.0068163569*Close[i+60+1]
+0.0062325477*Close[i+61+1]
+0.0056078229*Close[i+62+1]
+0.0049516078*Close[i+63+1]
+0.0161380976*Close[i+64+1];
i1=val1-val2;
UPBuffer[i]=0.0; DownBuffer[i]=0.0;
if (i1>0) trend=true;
if (i1<0) trend=false;
if ((! trend==old) && trend==true) UPBuffer[i]=Low[i]-5*Point;
if ((! trend==old) && trend==false) DownBuffer[i]=High[i]+5*Point;
old=trend;
i--;
}
return(0);
}
//+------------------------------------------------------------------+
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