Files
mql5/Indicators/MyIndicators/Quant/VolatilityRegime_MTF_Pro.mq5

297 lines
10 KiB
Plaintext

//+------------------------------------------------------------------+
//| VolatilityRegime_MTF_Pro.mq5 |
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "1.20" // Optimized with Forming LTF Block Flat-Force and OnTimer Guard
#property description "Volatility Regime (Multi-Timeframe)."
#property description "Displays Higher Timeframe ATR Ratio (Fast/Slow) cleanly without live-bar warping."
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_plots 1
// Level 1.0
#property indicator_level1 1.0
#property indicator_levelcolor clrSilver
#property indicator_levelstyle STYLE_DOT
// Plot: Regime Histogram
#property indicator_label1 "Vola Ratio MTF"
#property indicator_type1 DRAW_COLOR_HISTOGRAM
// Colors: Contracting(Gray), Expanding(Lime)
#property indicator_color1 clrGray, clrLime
#property indicator_style1 STYLE_SOLID
#property indicator_width1 2
#include <MyIncludes\ATR_Calculator.mqh>
//--- Input Parameters
input ENUM_TIMEFRAMES InpTimeframe = PERIOD_H1; // Target Timeframe
input int InpPeriodFast = 5; // Short-term Volatility
input int InpPeriodSlow = 50; // Long-term Baseline
input double InpThreshold = 1.0; // Expansion Threshold
//--- Buffers
double BufRatio[];
double BufColor[];
//--- Internal HTF Data Caches
double h_open[], h_high[], h_low[], h_close[];
datetime h_time[];
double h_atr_f[], h_atr_s[]; // HTF ATR results cached
double h_res[]; // HTF Ratio results cached
//--- Global HTF State Tracking
CATRCalculator *g_atr_fast;
CATRCalculator *g_atr_slow;
datetime g_last_htf_time = 0;
int g_htf_count = 0;
bool g_data_ready = false;
bool g_data_synced = false;
//+------------------------------------------------------------------+
//| EnsureHTFDataReady |
//+------------------------------------------------------------------+
bool EnsureHTFDataReady(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars)
{
ResetLastError();
if(!SymbolInfoInteger(symbol, SYMBOL_SELECT))
{
SymbolSelect(symbol, true);
}
datetime times[];
int copied = CopyTime(symbol, timeframe, 0, required_bars, times);
return (copied >= required_bars);
}
//+------------------------------------------------------------------+
//| Init |
//+------------------------------------------------------------------+
int OnInit()
{
g_data_ready = false;
g_data_synced = false;
g_last_htf_time = 0;
g_htf_count = 0;
if(InpTimeframe <= Period() && InpTimeframe != PERIOD_CURRENT)
{
Print("Warning: Target Timeframe should be > Current Timeframe.");
}
SetIndexBuffer(0, BufRatio, INDICATOR_DATA);
SetIndexBuffer(1, BufColor, INDICATOR_COLOR_INDEX);
ArraySetAsSeries(BufRatio, false);
ArraySetAsSeries(BufColor, false);
string tf_name = StringSubstr(EnumToString(InpTimeframe), 7);
string name = StringFormat("VolaRegime MTs %s(%d/%d)", tf_name, InpPeriodFast, InpPeriodSlow);
IndicatorSetString(INDICATOR_SHORTNAME, name);
IndicatorSetInteger(INDICATOR_DIGITS, 2);
g_atr_fast = new CATRCalculator();
if(CheckPointer(g_atr_fast) == POINTER_INVALID || !g_atr_fast.Init(InpPeriodFast, ATR_POINTS))
return INIT_FAILED;
g_atr_slow = new CATRCalculator();
if(CheckPointer(g_atr_slow) == POINTER_INVALID || !g_atr_slow.Init(InpPeriodSlow, ATR_POINTS))
return INIT_FAILED;
//--- Initialize 1-second timer for weekend/async chart refreshes
EventSetTimer(1);
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Deinit |
//+------------------------------------------------------------------+
void OnDeinit(const int r)
{
EventKillTimer();
if(CheckPointer(g_atr_fast) != POINTER_INVALID)
delete g_atr_fast;
if(CheckPointer(g_atr_slow) != POINTER_INVALID)
delete g_atr_slow;
}
//+------------------------------------------------------------------+
//| Calculate |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
const int prev_calculated,
const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[])
{
//--- Ensure target timeframe history is ready
int required_bars = InpPeriodSlow + 10;
if(!EnsureHTFDataReady(_Symbol, InpTimeframe, required_bars))
{
g_data_synced = false;
return 0; // Wait for next tick to let history load
}
g_data_synced = true;
//--- 1. Check if a new HTF bar has formed
datetime htf_time_current = iTime(_Symbol, InpTimeframe, 0);
bool htf_updated = (htf_time_current != g_last_htf_time);
if(htf_updated || prev_calculated == 0)
{
g_last_htf_time = htf_time_current;
int htf_bars = iBars(_Symbol, InpTimeframe);
if(htf_bars < required_bars)
{
g_data_ready = false;
return 0;
}
g_htf_count = MathMin(htf_bars, 3000);
ArrayResize(h_time, g_htf_count);
ArrayResize(h_open, g_htf_count);
ArrayResize(h_high, g_htf_count);
ArrayResize(h_low, g_htf_count);
ArrayResize(h_close, g_htf_count);
ArrayResize(h_atr_f, g_htf_count);
ArrayResize(h_atr_s, g_htf_count);
ArrayResize(h_res, g_htf_count);
if(CopyTime(_Symbol, InpTimeframe, 0, g_htf_count, h_time) != g_htf_count ||
CopyOpen(_Symbol, InpTimeframe, 0, g_htf_count, h_open) != g_htf_count ||
CopyHigh(_Symbol, InpTimeframe, 0, g_htf_count, h_high) != g_htf_count ||
CopyLow(_Symbol, InpTimeframe, 0, g_htf_count, h_low) != g_htf_count ||
CopyClose(_Symbol, InpTimeframe, 0, g_htf_count, h_close) != g_htf_count)
{
g_data_ready = false;
return 0;
}
//--- Calculate ATR on HTF (Closed bars and forming bar initialized)
g_atr_fast.Calculate(g_htf_count, 0, h_open, h_high, h_low, h_close, h_atr_f);
g_atr_slow.Calculate(g_htf_count, 0, h_open, h_high, h_low, h_close, h_atr_s);
for(int i = 0; i < g_htf_count; i++)
{
if(h_atr_s[i] > 0)
h_res[i] = h_atr_f[i] / h_atr_s[i];
else
h_res[i] = 1.0;
}
g_data_ready = true;
}
if(!g_data_ready)
return 0;
//--- 2. Live Update for the Current Forming HTF Bar (Index: g_htf_count - 1) on every tick!
int live_idx = g_htf_count - 1;
if(live_idx >= InpPeriodSlow)
{
double o[1], h[1], l[1], c[1];
int shift = iBarShift(_Symbol, InpTimeframe, htf_time_current, false);
if(shift >= 0 &&
CopyOpen(_Symbol, InpTimeframe, shift, 1, o) == 1 &&
CopyHigh(_Symbol, InpTimeframe, shift, 1, h) == 1 &&
CopyLow(_Symbol, InpTimeframe, shift, 1, l) == 1 &&
CopyClose(_Symbol, InpTimeframe, shift, 1, c) == 1)
{
h_open[live_idx] = o[0];
h_high[live_idx] = h[0];
h_low[live_idx] = l[0];
h_close[live_idx] = c[0];
// Incremental recalculation on the live index (O(1) tick performance)
g_atr_fast.Calculate(g_htf_count, live_idx, h_open, h_high, h_low, h_close, h_atr_f);
g_atr_slow.Calculate(g_htf_count, live_idx, h_open, h_high, h_low, h_close, h_atr_s);
if(h_atr_s[live_idx] > 0)
h_res[live_idx] = h_atr_f[live_idx] / h_atr_s[live_idx];
else
h_res[live_idx] = 1.0;
}
}
//--- 3. FIXED: Dynamically adjust 'start' to the beginning of the current forming HTF bar
//--- This forces the entire forming LTF step block to remain perfectly flat, updating on every tick!
int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
int first_bar_of_forming_htf = rates_total - 1;
while(first_bar_of_forming_htf > 0 &&
iBarShift(_Symbol, InpTimeframe, time[first_bar_of_forming_htf], false) == 0)
{
first_bar_of_forming_htf--;
}
first_bar_of_forming_htf++; // This is the start of the forming step on lower TF chart
if(start > first_bar_of_forming_htf)
start = first_bar_of_forming_htf;
//--- 4. Incremental Mapping of HTF results to Current Chart Timeframe (O(1) per tick)
for(int i = start; i < rates_total; i++)
{
datetime t = time[i];
int shift_htf = iBarShift(_Symbol, InpTimeframe, t, false);
if(shift_htf >= 0)
{
int idx_htf = g_htf_count - 1 - shift_htf;
if(idx_htf >= 0 && idx_htf < g_htf_count)
{
double val = h_res[idx_htf];
BufRatio[i] = val;
// Color Logic
if(val >= InpThreshold)
BufColor[i] = 1.0; // Lime (Volatility Expanding / Active Market)
else
BufColor[i] = 0.0; // Gray (Volatility Contracting / Sleeping Market)
}
else
{
BufRatio[i] = EMPTY_VALUE;
BufColor[i] = 0.0;
}
}
else
{
BufRatio[i] = EMPTY_VALUE;
BufColor[i] = 0.0;
}
}
return(rates_total);
}
//+------------------------------------------------------------------+
//| OnTimer |
//| Handles loading checks and force-redraws |
//+------------------------------------------------------------------+
void OnTimer()
{
if(!g_data_synced)
{
int required_bars = InpPeriodSlow + 5;
if(EnsureHTFDataReady(_Symbol, InpTimeframe, required_bars))
{
g_data_synced = true;
ChartRedraw(); // Force MT5 to invoke OnCalculate
}
}
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+