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Đặt lệnh limit khi giá touch fvg

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Bell
2026-03-11 18:13:27 +07:00
parent af4b79ade8
commit 61bcedb4f1
5 changed files with 545 additions and 62 deletions
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Experts/SimpleFVG/FVG.mqh
+105 -39
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@@ -22,13 +22,13 @@
//+------------------------------------------------------------------+
struct FVGZone
{
bool isActive;
ENUM_FVG_TYPE type;
double upperEdge;
double lowerEdge;
datetime createdTime;
int ageInBars;
bool isMitigated;
ENUM_FVG_TYPE type;
ENUM_FVG_STATUS status;
double upperEdge;
double lowerEdge;
double slReferencePrice;
datetime createdTime;
int ageInBars;
};
//+------------------------------------------------------------------+
@@ -49,8 +49,34 @@ void FVGInit()
}
//+------------------------------------------------------------------+
//| Check if impulse candle has strong body (body/range >= threshold) |
//| Helper: status helpers & impulse strength |
//+------------------------------------------------------------------+
bool IsZoneActive(const FVGZone &z)
{
return (z.status != EXPIRED);
}
bool IsZoneLive(const FVGZone &z)
{
return (z.status == ACTIVE || z.status == TOUCHED);
}
bool IsZoneMitigated(const FVGZone &z)
{
return (z.status == MITIGATED);
}
bool IsZoneTouched(const FVGZone &z)
{
return (z.status == TOUCHED);
}
bool IsZoneExpired(const FVGZone &z)
{
return (z.status == EXPIRED);
}
// Impulse candle strength: body/range >= threshold
bool IsImpulseCandleStrong(string symbol, ENUM_TIMEFRAMES tf, int shift)
{
double high = iHigh(symbol, tf, shift);
@@ -69,13 +95,13 @@ bool IsImpulseCandleStrong(string symbol, ENUM_TIMEFRAMES tf, int shift)
}
//+------------------------------------------------------------------+
//| Check if this FVG timestamp already exists in our array |
//| Check if this FVG timestamp already exists in our array |
//+------------------------------------------------------------------+
bool FVGAlreadyTracked(datetime fvgTime, ENUM_FVG_TYPE fvgType)
{
for(int i = 0; i < g_FVGCount; i++)
{
if(g_FVGZones[i].isActive
if(IsZoneActive(g_FVGZones[i])
&& g_FVGZones[i].createdTime == fvgTime
&& g_FVGZones[i].type == fvgType)
return true;
@@ -84,9 +110,13 @@ bool FVGAlreadyTracked(datetime fvgTime, ENUM_FVG_TYPE fvgType)
}
//+------------------------------------------------------------------+
//| Add a new FVG zone to the array |
//| Add a new FVG zone to the array |
//+------------------------------------------------------------------+
bool AddFVGZone(ENUM_FVG_TYPE type, double upper, double lower, datetime time)
bool AddFVGZone(ENUM_FVG_TYPE type,
double upper,
double lower,
double slReference,
datetime time)
{
if(g_FVGCount >= MAX_FVG_SLOTS)
return false;
@@ -99,13 +129,13 @@ bool AddFVGZone(ENUM_FVG_TYPE type, double upper, double lower, datetime time)
}
ZeroMemory(g_FVGZones[g_FVGCount]);
g_FVGZones[g_FVGCount].isActive = true;
g_FVGZones[g_FVGCount].type = type;
g_FVGZones[g_FVGCount].upperEdge = upper;
g_FVGZones[g_FVGCount].lowerEdge = lower;
g_FVGZones[g_FVGCount].createdTime = time;
g_FVGZones[g_FVGCount].ageInBars = 0;
g_FVGZones[g_FVGCount].isMitigated = false;
g_FVGZones[g_FVGCount].type = type;
g_FVGZones[g_FVGCount].status = ACTIVE;
g_FVGZones[g_FVGCount].upperEdge = upper;
g_FVGZones[g_FVGCount].lowerEdge = lower;
g_FVGZones[g_FVGCount].slReferencePrice = slReference;
g_FVGZones[g_FVGCount].createdTime = time;
g_FVGZones[g_FVGCount].ageInBars = 0;
g_FVGCount++;
if(InpDebugLog)
@@ -148,7 +178,10 @@ void ScanForNewFVGs()
&& IsImpulseCandleStrong(symbol, InpTimeframe, shiftB))
{
if(!FVGAlreadyTracked(fvgTime, FVG_BULLISH))
AddFVGZone(FVG_BULLISH, candleC_Low, candleA_High, fvgTime);
{
double slRef = iLow(symbol, InpTimeframe, shiftB); // bar2.low
AddFVGZone(FVG_BULLISH, candleC_Low, candleA_High, slRef, fvgTime);
}
}
//--- Bearish FVG: gap between C.High and A.Low ---
@@ -157,7 +190,10 @@ void ScanForNewFVGs()
&& IsImpulseCandleStrong(symbol, InpTimeframe, shiftB))
{
if(!FVGAlreadyTracked(fvgTime, FVG_BEARISH))
AddFVGZone(FVG_BEARISH, candleA_Low, candleC_High, fvgTime);
{
double slRef = iHigh(symbol, InpTimeframe, shiftB); // bar2.high
AddFVGZone(FVG_BEARISH, candleA_Low, candleC_High, slRef, fvgTime);
}
}
}
}
@@ -171,28 +207,58 @@ void CheckMitigationStatus()
for(int i = 0; i < g_FVGCount; i++)
{
if(!g_FVGZones[i].isActive || g_FVGZones[i].isMitigated)
if(IsZoneMitigated(g_FVGZones[i]) || !IsZoneActive(g_FVGZones[i]))
continue;
double lastLow = iLow (symbol, InpTimeframe, 1);
double lastHigh = iHigh(symbol, InpTimeframe, 1);
// Bullish FVG mitigated: price drops through lower edge
if(g_FVGZones[i].type == FVG_BULLISH && lastLow <= g_FVGZones[i].lowerEdge)
double zoneHeight = g_FVGZones[i].upperEdge - g_FVGZones[i].lowerEdge;
if(zoneHeight <= 0)
continue;
//--- Bullish FVG: price comes down into the gap ---
if(g_FVGZones[i].type == FVG_BULLISH)
{
g_FVGZones[i].isMitigated = true;
if(InpDebugLog)
PrintFormat("[FVG] MITIGATED BULL [%.5f – %.5f]",
g_FVGZones[i].lowerEdge, g_FVGZones[i].upperEdge);
// Mitigated: price drops through lower edge
if(lastLow <= g_FVGZones[i].lowerEdge)
{
g_FVGZones[i].status = MITIGATED;
if(InpDebugLog)
PrintFormat("[FVG] MITIGATED BULL [%.5f – %.5f]",
g_FVGZones[i].lowerEdge, g_FVGZones[i].upperEdge);
continue;
}
// Touched: price has filled at least X% of gap, but not fully
double deepestPrice = MathMin(lastLow, g_FVGZones[i].upperEdge);
deepestPrice = MathMax(deepestPrice, g_FVGZones[i].lowerEdge);
double fillPct = (g_FVGZones[i].upperEdge - deepestPrice) / zoneHeight * 100.0;
if(g_FVGZones[i].status == ACTIVE && fillPct >= InpFVGTouchedPercent)
g_FVGZones[i].status = TOUCHED;
}
// Bearish FVG mitigated: price rises through upper edge
if(g_FVGZones[i].type == FVG_BEARISH && lastHigh >= g_FVGZones[i].upperEdge)
//--- Bearish FVG: price goes up into the gap ---
if(g_FVGZones[i].type == FVG_BEARISH)
{
g_FVGZones[i].isMitigated = true;
if(InpDebugLog)
PrintFormat("[FVG] MITIGATED BEAR [%.5f – %.5f]",
g_FVGZones[i].lowerEdge, g_FVGZones[i].upperEdge);
// Mitigated: price rises through upper edge
if(lastHigh >= g_FVGZones[i].upperEdge)
{
g_FVGZones[i].status = MITIGATED;
if(InpDebugLog)
PrintFormat("[FVG] MITIGATED BEAR [%.5f – %.5f]",
g_FVGZones[i].lowerEdge, g_FVGZones[i].upperEdge);
continue;
}
// Touched: price has filled at least X% of gap, but not fully
double highestPrice = MathMax(lastHigh, g_FVGZones[i].lowerEdge);
highestPrice = MathMin(highestPrice, g_FVGZones[i].upperEdge);
double fillPct = (highestPrice - g_FVGZones[i].lowerEdge) / zoneHeight * 100.0;
if(g_FVGZones[i].status == ACTIVE && fillPct >= InpFVGTouchedPercent)
g_FVGZones[i].status = TOUCHED;
}
}
}
@@ -204,13 +270,13 @@ void ExpireOldFVGs()
{
for(int i = 0; i < g_FVGCount; i++)
{
if(!g_FVGZones[i].isActive) continue;
if(!IsZoneActive(g_FVGZones[i])) continue;
g_FVGZones[i].ageInBars++;
if(g_FVGZones[i].ageInBars > InpFVGMaxAgeBars)
{
g_FVGZones[i].isActive = false;
g_FVGZones[i].status = EXPIRED;
if(InpDebugLog)
PrintFormat("[FVG] EXPIRED %s [%.5f – %.5f] age=%d bars",
(g_FVGZones[i].type == FVG_BULLISH) ? "BULL" : "BEAR",
@@ -228,7 +294,7 @@ void CompactFVGArray()
int writeIndex = 0;
for(int i = 0; i < g_FVGCount; i++)
{
if(g_FVGZones[i].isActive)
if(IsZoneActive(g_FVGZones[i]))
{
if(writeIndex != i)
g_FVGZones[writeIndex] = g_FVGZones[i];
@@ -257,7 +323,7 @@ int CountActiveFVGs(ENUM_FVG_TYPE type)
int count = 0;
for(int i = 0; i < g_FVGCount; i++)
{
if(g_FVGZones[i].isActive && g_FVGZones[i].type == type)
if(IsZoneActive(g_FVGZones[i]) && g_FVGZones[i].type == type)
count++;
}
return count;
@@ -268,7 +334,7 @@ int CountMitigatedFVGs()
int count = 0;
for(int i = 0; i < g_FVGCount; i++)
{
if(g_FVGZones[i].isActive && g_FVGZones[i].isMitigated)
if(IsZoneMitigated(g_FVGZones[i]))
count++;
}
return count;