FTLM-STLM_v2

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Author: Copyright 2002, Finware.ru Ltd.
FTLM-STLM_v2

This script is a technical analysis tool designed for the MetaTrader platform to help traders visualize specific price trends and momentum. It operates by processing historical price data to create two distinct visual outputs: a histogram and a line.

Core Logic Overview

The tool functions as a sophisticated mathematical filter. Instead of looking at just the most recent price, it analyzes a long window of past closing prices (specifically the last 90 bars) simultaneously. It assigns a unique "weight" or importance level to every single one of those 90 data points—some are prioritized more heavily, while others may have a negative influence on the final calculation.

How the Calculations Work

The script performs two primary weighted calculations to generate its visual components:

  • The Histogram Component (STLM): This is calculated by subtracting one complex mathematical formula from another. It focuses on a broader range of data points to provide a smoothed representation of price action. On your chart, this appears as vertical bars that help identify the magnitude of market movement.
  • The Line Component (FTLM): Similarly, this involves subtracting a second set of weighted calculations from a third. This specific formula is designed to highlight different characteristics of the price trend compared to the histogram. It appears as a continuous line, allowing you to see the "flow" or trajectory of the market more clearly.

Key Features for the User

  • Dual Perspective: By providing both a histogram and a line in a separate window, the tool allows you to see two different interpretations of the same price data at once. This can help in identifying where trends are accelerating, slowing down, or potentially reversing.
  • Data Smoothing: Because the script uses a vast array of weighted coefficients (the long lists of decimals), it is designed to filter out "noise"—the small, erratic price flickers that can often confuse traders—leaving behind a cleaner visual of the underlying trend.
  • Historical Awareness: The tool requires a minimum amount of historical data (90 bars) to function correctly. This ensures that the calculations have enough context to provide accurate and stable readings on your screen.

Summary for Trading

In practical terms, this script acts as a sophisticated "trend stabilizer." By observing how the histogram bars and the trend line interact, you can better perceive the underlying momentum of the market, helping you distinguish between meaningful price movements and temporary volatility.

Miscellaneous
Implements a curve of type %1
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FTLM-STLM_v2 
/*-----------------------------+
|			       |
| Shared by www.Aptrafx.com    |
|			       |
+------------------------------*/

//+------------------------------------------------------------------+ 
//| FTLM_STLM.mq4 
//| 
//+------------------------------------------------------------------+ 
#property copyright "Copyright 2002, Finware.ru Ltd." 
#property link "http://www.finware.ru/" 

#property indicator_separate_window 
#property indicator_buffers 2 
#property indicator_color1 Blue 
#property indicator_color2 Yellow 


//---- buffers 
double FTLMBuffer[]; 
double STLMBuffer[]; 
double value1; 
double value2; 
double value3; 
double value4; 
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function | 
//+------------------------------------------------------------------+ 
int init() 
{ 
string short_name; 
//---- indicator line 
IndicatorBuffers(2); 
SetIndexStyle(0,DRAW_HISTOGRAM); 
SetIndexBuffer(0,STLMBuffer); 
SetIndexStyle(1,DRAW_LINE); 
SetIndexBuffer(1,FTLMBuffer); 
SetIndexDrawBegin(0,90); 
SetIndexDrawBegin(1,43); 
//---- 
return(0); 
} 
//+------------------------------------------------------------------+ 
//| FTLM_STLM | 
//+------------------------------------------------------------------+ 
int start() 
{ 
int i,counted_bars=IndicatorCounted(); 
//---- 
if(Bars<=90) return(0); 
//---- initial zero 
if(counted_bars<43) 
{ 
for(i=1;i<=0;i++) FTLMBuffer[Bars-i]=0.0; 
for(i=1;i<=0;i++) STLMBuffer[Bars-i]=0.0; 
} 
//---- 
i=Bars-43-1; 
if(counted_bars>=43) i=Bars-counted_bars-1; 
while(i>=0) 
{ 
value1 = 
0.4360409450*Close[i+0] 
+0.3658689069*Close[i+1] 
+0.2460452079*Close[i+2] 
+0.1104506886*Close[i+3] 
-0.0054034585*Close[i+4] 
-0.0760367731*Close[i+5] 
-0.0933058722*Close[i+6] 
-0.0670110374*Close[i+7] 
-0.0190795053*Close[i+8] 
+0.0259609206*Close[i+9] 
+0.0502044896*Close[i+10] 
+0.0477818607*Close[i+11] 
+0.0249252327*Close[i+12] 
-0.0047706151*Close[i+13] 
-0.0272432537*Close[i+14] 
-0.0338917071*Close[i+15] 
-0.0244141482*Close[i+16] 
-0.0055774838*Close[i+17] 
+0.0128149838*Close[i+18] 
+0.0226522218*Close[i+19] 
+0.0208778257*Close[i+20] 
+0.0100299086*Close[i+21] 
-0.0036771622*Close[i+22] 
-0.0136744850*Close[i+23] 
-0.0160483392*Close[i+24] 
-0.0108597376*Close[i+25] 
-0.0016060704*Close[i+26] 
+0.0069480557*Close[i+27] 
+0.0110573605*Close[i+28] 
+0.0095711419*Close[i+29] 
+0.0040444064*Close[i+30] 
-0.0023824623*Close[i+31] 
-0.0067093714*Close[i+32] 
-0.0072003400*Close[i+33] 
-0.0047717710*Close[i+34] 
+0.0005541115*Close[i+35] 
+0.0007860160*Close[i+36] 
+0.0130129076*Close[i+37] 
+0.0040364019*Close[i+38]; 

value2 = 
-0.0025097319*Close[i+0] 
+0.0513007762*Close[i+1] 
+0.1142800493*Close[i+2] 
+0.1699342860*Close[i+3] 
+0.2025269304*Close[i+4] 
+0.2025269304*Close[i+5] 
+0.1699342860*Close[i+6] 
+0.1142800493*Close[i+7] 
+0.0513007762*Close[i+8] 
-0.0025097319*Close[i+9] 
-0.0353166244*Close[i+10] 
-0.0433375629*Close[i+11] 
-0.0311244617*Close[i+12] 
-0.0088618137*Close[i+13] 
+0.0120580088*Close[i+14] 
+0.0233183633*Close[i+15] 
+0.0221931304*Close[i+16] 
+0.0115769653*Close[i+17] 
-0.0022157966*Close[i+18] 
-0.0126536111*Close[i+19] 
-0.0157416029*Close[i+20] 
-0.0113395830*Close[i+21] 
-0.0025905610*Close[i+22] 
+0.0059521459*Close[i+23] 
+0.0105212252*Close[i+24] 
+0.0096970755*Close[i+25] 
+0.0046585685*Close[i+26] 
-0.0017079230*Close[i+27] 
-0.0063513565*Close[i+28] 
-0.0074539350*Close[i+29] 
-0.0050439973*Close[i+30] 
-0.0007459678*Close[i+31] 
+0.0032271474*Close[i+32] 
+0.0051357867*Close[i+33] 
+0.0044454862*Close[i+34] 
+0.0018784961*Close[i+35] 
-0.0011065767*Close[i+36] 
-0.0031162862*Close[i+37] 
-0.0033443253*Close[i+38] 
-0.0022163335*Close[i+39] 
+0.0002573669*Close[i+40] 
+0.0003650790*Close[i+41] 
+0.0060440751*Close[i+42] 
+0.0018747783*Close[i+43]; 

value3 = 
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]; 

value4 = 
-0.0074151919*Close[i+0] 
-0.0060698985*Close[i+1] 
-0.0044979052*Close[i+2] 
-0.0027054278*Close[i+3] 
-0.0007031702*Close[i+4] 
+0.0014951741*Close[i+5] 
+0.0038713513*Close[i+6] 
+0.0064043271*Close[i+7] 
+0.0090702334*Close[i+8] 
+0.0118431116*Close[i+9] 
+0.0146922652*Close[i+10] 
+0.0175884606*Close[i+11] 
+0.0204976517*Close[i+12] 
+0.0233865835*Close[i+13] 
+0.0262218588*Close[i+14] 
+0.0289681736*Close[i+15] 
+0.0315922931*Close[i+16] 
+0.0340614696*Close[i+17] 
+0.0363444061*Close[i+18] 
+0.0384120882*Close[i+19] 
+0.0402373884*Close[i+20] 
+0.0417969735*Close[i+21] 
+0.0430701377*Close[i+22] 
+0.0440399188*Close[i+23] 
+0.0446941124*Close[i+24] 
+0.0450230100*Close[i+25] 
+0.0450230100*Close[i+26] 
+0.0446941124*Close[i+27] 
+0.0440399188*Close[i+28] 
+0.0430701377*Close[i+29] 
+0.0417969735*Close[i+30] 
+0.0402373884*Close[i+31] 
+0.0384120882*Close[i+32] 
+0.0363444061*Close[i+33] 
+0.0340614696*Close[i+34] 
+0.0315922931*Close[i+35] 
+0.0289681736*Close[i+36] 
+0.0262218588*Close[i+37] 
+0.0233865835*Close[i+38] 
+0.0204976517*Close[i+39] 
+0.0175884606*Close[i+40] 
+0.0146922652*Close[i+41] 
+0.0118431116*Close[i+42] 
+0.0090702334*Close[i+43] 
+0.0064043271*Close[i+44] 
+0.0038713513*Close[i+45] 
+0.0014951741*Close[i+46] 
-0.0007031702*Close[i+47] 
-0.0027054278*Close[i+48] 
-0.0044979052*Close[i+49] 
-0.0060698985*Close[i+50] 
-0.0074151919*Close[i+51] 
-0.0085278517*Close[i+52] 
-0.0094111161*Close[i+53] 
-0.0100658241*Close[i+54] 
-0.0104994302*Close[i+55] 
-0.0107227904*Close[i+56] 
-0.0107450280*Close[i+57] 
-0.0105824763*Close[i+58] 
-0.0102517019*Close[i+59] 
-0.0097708805*Close[i+60] 
-0.0091581551*Close[i+61] 
-0.0084345004*Close[i+62] 
-0.0076214397*Close[i+63] 
-0.0067401718*Close[i+64] 
-0.0058083144*Close[i+65] 
-0.0048528295*Close[i+66] 
-0.0038816271*Close[i+67] 
-0.0029244713*Close[i+68] 
-0.0019911267*Close[i+69] 
-0.0010974211*Close[i+70] 
-0.0002535559*Close[i+71] 
+0.0005231953*Close[i+72] 
+0.0012297491*Close[i+73] 
+0.0018539149*Close[i+74] 
+0.0023994354*Close[i+75] 
+0.0028490136*Close[i+76] 
+0.0032221429*Close[i+77] 
+0.0034936183*Close[i+78] 
+0.0036818974*Close[i+79] 
+0.0038037944*Close[i+80] 
+0.0038338964*Close[i+81] 
+0.0037975350*Close[i+82] 
+0.0036986051*Close[i+83] 
+0.0035521320*Close[i+84] 
+0.0033559226*Close[i+85] 
+0.0031224409*Close[i+86] 
+0.0028550092*Close[i+87] 
+0.0025688349*Close[i+88] 
+0.0022682355*Close[i+89] 
+0.0073925495*Close[i+90]; 

STLMBuffer[i] = value3-value4; 
FTLMBuffer[i] = value1-value2; 

i--; 
} 
return(0); 
} 
//+------------------------------------------------------------------+

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