StreamAmpZZ
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The StreamAmpZZ script is a technical analysis tool designed to identify and visualize market structure by tracking significant price boundaries, trends, and potential reversal points. It works by analyzing historical price data (Highs and Lows) to construct a visual representation of the "range" in which the market is currently trading.
Here is a breakdown of its logic in non-technical terms:
1. Boundary Detection (The Foundation)
The script constantly monitors the highest highs and lowest lows of recent price action. It uses a specific "Depth" parameter to determine how significant a price movement must be to reset these boundaries.
- If the price breaks significantly past a previous high or low, the script updates its internal memory of where the "ceiling" and "floor" are.
- It essentially filters out minor market noise to focus on substantial structural shifts.
2. Dynamic Support and Resistance (Smoothing)
Beyond just tracking the absolute highest and lowest points, the script calculates smoothed versions of these boundaries.
- By using a "Smoothing" average, it creates more fluid lines that represent the general area of support and resistance.
- This helps traders see the "average" zone where the price tends to react, rather than just looking at a single extreme point in history.
3. The "ZZ" Trend Line (The Core Logic)
The heart of this script is its ability to connect significant price points geometrically. It identifies when a price trend has shifted and automatically draws a projection line (the ZZ line).
- When the price moves from one significant high/low to another, the script calculates a linear path between them.
- This creates a visual diagonal line that helps project where the price "should" be going based on the most recent major structural swing.
- It dynamically adjusts this projection as new prices are formed, helping to visualize the current momentum of the market.
4. Signal Generation (Visual Cues)
To make the data actionable for a user, the script identifies specific "turning points" on the ZZ line:
- Upper Signals: When the trend line reaches a peak and begins to head downward, the script marks this spot with a visual icon.
- Lower Signals: When the trend line reaches a valley and begins to head upward, it marks that point as well.
- Audio Alerts: If enabled, the script can trigger a sound notification exactly when these peaks or valleys are detected in real-time, alerting the user to a potential change in market direction.
Summary of Visual Output
When you view this on a chart, you will see:
- Lines representing the smoothed upper and lower boundaries of the current price range.
- A primary trend line (ZZ) that connects major structural points to show the current trajectory.
- Icons/Arrows that appear automatically when the trend line hits a local high or low, signaling potential areas where the market might reverse its direction.
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StreamAmpZZ
//+--------------------------------------------------------------------------------+
//| ang_Amp_ZZ |
//| StreamAmpZZ.mq4 |
//| Copyright © 2005, ANG3110 |
//| ANG3110@latchess.com |
//| ìàëåíüêàÿ äîðàáîòêà Titan |
//+--------------------------------------------------------------------------------+
#property copyright "Copyright © 2005, ANG3110"
#property link "ANG3110@latchess.com"
//----
#property indicator_chart_window
#property indicator_buffers 7
#property indicator_color1 CornflowerBlue
#property indicator_color2 Orange
#property indicator_color3 Orange
#property indicator_color4 SteelBlue
#property indicator_color5 SteelBlue
#property indicator_color6 MediumSeaGreen
#property indicator_color7 Red
//---- input parameters
extern double Depth =12.5;
extern int Smooth =6;
extern int ñntBars =600;
//---- Âêë/âûêë
extern bool Sound =false;
//---- buffers
double zz[], ha[], la[], hs[], ls[], hx[], lx[];
double tmp_ha[], tmp_la[];
//---- parameters
double hi, li, hm, lm;
int f=0, f1, f0, ai, bi, aibar, bibar;
int wait=0; //øîá íå òðåçâîíèëà íà òåêóùåé ñâå÷å
//+--------------------------------------------------------------------------------+
//| Custom indicator initialization function |
//+--------------------------------------------------------------------------------+
int init()
{
Depth*=Point;
//---- Óñòàíàâëèâàåì íîâûé ðàçìåð ìàññèâîâ
ArrayResize(tmp_ha, ñntBars);
ArrayResize(tmp_la, ñntBars);
//---- Óñòàíîâêà ôîðìàòà òî÷íîñòè äëÿ âèçóàëèçàöèè èíäèêàòîðà
IndicatorDigits(4);
//---- 7 additional buffers are used for counting.
IndicatorBuffers(7);
//---- indicator buffers
SetIndexBuffer(0, zz);
SetIndexBuffer(1, ha);
SetIndexBuffer(2, la);
SetIndexBuffer(3, hs);
SetIndexBuffer(4, ls);
SetIndexBuffer(5, hx);
SetIndexBuffer(6, lx);
//---- indicator lines
SetIndexStyle(0, DRAW_LINE, STYLE_SOLID, 2);
SetIndexStyle(1, DRAW_LINE);
SetIndexStyle(2, DRAW_LINE);
SetIndexStyle(3, DRAW_LINE, STYLE_DOT);
SetIndexStyle(4, DRAW_LINE, STYLE_DOT);
SetIndexStyle(5, DRAW_ARROW, 0, 2);
SetIndexStyle(6, DRAW_ARROW, 0, 2);
//----
SetIndexEmptyValue(5, EMPTY_VALUE);
SetIndexEmptyValue(6, EMPTY_VALUE);
//----
SetIndexArrow(5, 251);
SetIndexArrow(6, 251);
// Wingdings symbols:
// ------------------
// 4 - ÷åðòî÷êà
// 119 - ðîìáèê
// 158 - òî÷êà
// 159 - æèðíàÿ òî÷êà
// 167 - êâàäðàòèê
// 169 - çâåçäà òðèóãîëüíàÿ
// 170 - ïëþñ
// 251 - êðåñòèê
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("StreamAmpZZ");
SetIndexLabel(0, "ZZ");
SetIndexLabel(1, "HA");
SetIndexLabel(2, "LA");
SetIndexLabel(3, "ZZHA");
SetIndexLabel(4, "ZZLA");
SetIndexLabel(5, "Upper");
SetIndexLabel(6, "Lower");
//----
int draw=Bars - ñntBars;
SetIndexDrawBegin(0, draw);
SetIndexDrawBegin(1, draw + Smooth);
SetIndexDrawBegin(2, draw + Smooth);
SetIndexDrawBegin(3, draw);
SetIndexDrawBegin(4, draw);
SetIndexDrawBegin(5, draw);
SetIndexDrawBegin(6, draw);
//----
return(0);
}
//+--------------------------------------------------------------------------------+
//| StreamAmpZZ |
//+--------------------------------------------------------------------------------+
int start()
{
double cum, sum;
int bars =Bars - IndicatorCounted(), i, j;
if (bars > 1) bars=ñntBars; //ïåðåðèñîâêà ïî âñåì ñntBars ïðè êàæäîì íîâîì áàðå
//----
for(i=bars-1; i>=0; i--)
{
if (i>=ñntBars) {hi=High[i]; li=Low[i];}
if (Low [i] > hi) {hi=Low [i]; if (hi>=li+Depth) li=hi - Depth;}
if (High[i] < li) {li=High[i]; if (li<=hi-Depth) hi=li + Depth;}
//----
if (High[i] > hi && Low[i] < li) if (High[i]-hi > li-Low[i]) f1=1; else f1=2; else f1=0;
//----
if (f==0)
{
if (High[i] > hi) {hm=High[i]; ai=i; f=1;}
if (Low [i] < li) {lm=Low [i]; bi=i; f=2;}
}
//----
if (f1!=2)
{
if (f==2 && High[i] > hi)
{
hm=High[i]; f=1; f0=0;
if (ai!=bi) for(j=ai; j>=bi; j--) zz[j]=High[ai]*(j - bi)/(ai - bi) + Low[bi]*(j - ai)/(bi - ai);
ai=i;
}
if (f==1 && High[i] > hm) {hm=High[i]; ai=i; f0=0;}
}
//----
if (f1!=1)
{
if (f==1 && Low[i] < li)
{
lm=Low[i]; f=2; f0=0;
if (ai!=bi) for(j=bi; j>=ai; j--) zz[j]=High[ai]*(j - bi)/(ai - bi) + Low[bi]*(j - ai)/(bi - ai);
bi=i;
}
if (f==2 && Low[i] < lm) {lm=Low[i]; bi=i; f0=0;}
}
//----
if (f0==0 && i==0) {aibar=Bars - ai; bibar=Bars - bi; f0=1;}
if (f0==1) {ai=Bars - aibar; bi=Bars - bibar;}
//----
if (i==0)
{
if (ai > bi) for(j=ai; j>=bi; j--) zz[j]=High[ai]*(j - bi)/(ai - bi) + Low[bi]*(j - ai)/(bi - ai);
if (ai < bi) for(j=bi; j>=ai; j--) zz[j]=High[ai]*(j - bi)/(ai - bi) + Low[bi]*(j - ai)/(bi - ai);
//----
if (f ==1 && ai!=0) for(j=ai; j>=0; j--) zz[j]=Close[0]*(j - ai)/(0 - ai) + High[ai]*(j - 0)/(ai - 0);
if (f ==2 && bi!=0) for(j=bi; j>=0; j--) zz[j]=Close[0]*(j - bi)/(0 - bi) + Low [bi]*(j - 0)/(bi - 0);
if (bi==0 && ai!=0) for(j=ai; j>=0; j--) zz[j]=Low [0]*(j - ai)/(0 - ai) + High[ai]*(j - 0)/(ai - 0);
if (ai==0 && bi!=0) for(j=bi; j>=0; j--) zz[j]=High [0]*(j - bi)/(0 - bi) + Low [bi]*(j - 0)/(bi - 0);
}
//----
tmp_ha[i]=hi;
tmp_la[i]=li;
//Ñãëàæèâàíèå (çàìåäëåíèå)
if (i<=ñntBars-Smooth && Smooth > 1)
{
for(j=i, cum=0, sum=0; j<i+Smooth; j++) {cum+=tmp_ha[j]; sum+=tmp_la[j];}
ha[i]=cum/Smooth;
la[i]=sum/Smooth;
}
else {ha[i]=tmp_ha[i]; la[i]=tmp_la[i];}
}
//---- Ñðåäíÿÿ ìåæäó zz è ha/la
for(i=bars-1; i>=0; i--)
{
hs[i]=(zz[i] + ha[i])/2;
ls[i]=(zz[i] + la[i])/2;
}
//---- Ýêñòðåìóìû
if (bars>=Bars) bars=ñntBars - 1;
for(i=bars; i>0; i--)
{
hx[i]=EMPTY_VALUE;
lx[i]=EMPTY_VALUE;
//----
if (zz[i-1] < zz[i] && zz[i] > zz[i+1]) {hx[i]=zz[i]; if (wait!=Time[0] && i==1 && Sound) {PlaySound("alert.wav"); wait=Time[0];}}
if (zz[i-1] > zz[i] && zz[i] < zz[i+1]) {lx[i]=zz[i]; if (wait!=Time[0] && i==1 && Sound) {PlaySound("alert2.wav"); wait=Time[0];}}
}
//----
return(0);
}
//+------------------------------------------------------------------+
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