Var Mov Avg MetaTrader 指標[MT5公式]

該指標通過價格曲線在主圖表窗口顯示虛線。當該虛線顏色發生變化時，會發出趨勢更改的信號。該指標可以在趨勢變化時發送聲音示警。您可以打開或關閉此功能。該指標可用于MT4和MT5。

雖然該指標基于移動平均線，但它不使用任何標準MT4/MT5移動平均線指標。它使用自身的計算公式計算使用噪聲濾波器的移動平均線進而發出更準確的信號。

輸入參數：

• periodAMA (默認 = 50) — 主要自定義移動平均線的時段。與其它移動平均線不同，此數字越高，此線越不平滑。
• nfast (默認 = 15) — 第一個噪聲濾波器參數。此數值越高，指標發出的信號越少。
• nslow (默認 = 10) — 第二個噪聲濾波器參數。此數值越高，指標發出的信號越少。
• G (默認 = 1.0) — 移動平均線中過濾部分的力量。這是另一種使信號線更平滑的方式。
• dK (默認 = 0.1) — 實際上并無多大影響。
• UseSound (默認 = true) — 如果設置為true，將啟用聲音示警。
• SoundFile (默認 = "expert.wav") — 示警使用的聲音文件的名稱。

當虛線變成紅色時，價格處于下跌趨勢。當虛線變綠時，價格處于上升趨勢。當虛線由紅變綠時，做多；由綠變紅時，做空。使用適當的止損保護由錯誤信號造成的損失。

標簽:MT4 MT5指標

MT4源碼：
#property copyright "Copyright ? 2004, by GOODMAN & Mstera ? AF " #property indicator_chart_window #property indicator_buffers 3 #property indicator_color1 Sienna #property indicator_color2 Green #property indicator_color3 Red //---- input parameters extern int periodAMA=50; extern int nfast=15; extern int nslow=10; extern double G=1.0; extern double dK=0.1; //---- buffers double kAMAbuffer[]; double kAMAupsig[]; double kAMAdownsig[]; extern bool UseSound = True; extern string SoundFile = "expert.wav"; //+------------------------------------------------------------------+ int cbars=0, prevbars=0, prevtime=0; double slowSC,fastSC; bool SoundBuy = False; bool SoundSell = False; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0,DRAW_LINE,0,2); SetIndexStyle(1,DRAW_ARROW,STYLE_SOLID, 2); SetIndexArrow(1,159); SetIndexStyle(2,DRAW_ARROW,STYLE_SOLID, 2); SetIndexArrow(2,159); //SetIndexDrawBegin(0,nslow+nfast); SetIndexBuffer(0,kAMAbuffer); SetIndexBuffer(1,kAMAupsig); SetIndexBuffer(2,kAMAdownsig); IndicatorDigits(4); //slowSC=0.064516; //fastSC=0.2; //cbars=IndicatorCounted(); //---- return(0); } int last_dir = 0; //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int i,pos=0; double noise=0.000000001,AMA,AMA0,signal,ER; double dSC,ERSC,SSC,ddK; if (prevbars==Bars) return(0); //---- TODO: add your code here slowSC=(2.0 /(nslow+1)); fastSC=(2.0 /(nfast+1)); cbars=IndicatorCounted(); if (Bars<=(periodAMA+2)) return(0); //---- check for possible errors if (cbars<0) return(-1); //---- last counted bar will be recounted if (cbars>0) cbars--; pos=Bars-periodAMA-2; AMA0=Close[pos+1]; int dir = 0; while (pos>=0) { if(pos==Bars-periodAMA-2) AMA0=Close[pos+1]; signal=MathAbs(Close[pos]-Close[pos+periodAMA]); noise=0.000000001; for(i=0;i<periodAMA;i++) { noise=noise+MathAbs(Close[pos+i]-Close[pos+i+1]); } ER =signal/noise; dSC=(fastSC-slowSC); ERSC=ER*dSC; SSC=ERSC+slowSC; AMA=AMA0+(MathPow(SSC,G)*(Close[pos]-AMA0)); kAMAbuffer[pos]=AMA; ddK=(AMA-AMA0); if ((MathAbs(ddK)) > (dK*Point) && (ddK > 0)) kAMAupsig[pos] =AMA; else kAMAupsig[pos]=0; if ((MathAbs(ddK)) > (dK*Point) && (ddK < 0)) kAMAdownsig[pos]=AMA; else kAMAdownsig[pos]=0; AMA0=AMA; pos--; } if (kAMAupsig[0] != EMPTY_VALUE && kAMAupsig[0] != 0 && SoundBuy) { SoundBuy = False; if (UseSound) PlaySound (SoundFile); Comment (Symbol()," ",Period(),"hellkkas BUY @ ",Ask); Alert (Symbol()," ",Period(),"hellkkas BUY @ ",Ask); } if (!SoundBuy && (kAMAupsig[0] == EMPTY_VALUE || kAMAupsig[0] == 0)) SoundBuy = True; if (kAMAdownsig[0] != EMPTY_VALUE && kAMAdownsig[0] != 0 && SoundSell) { SoundSell = False; if (UseSound) PlaySound (SoundFile); Comment (Symbol()," ",Period(), "hellkkas Sell @",Bid); Alert (Symbol()," ",Period(), "hellkkas Sell @",Bid); } if (!SoundSell && (kAMAdownsig[0] == EMPTY_VALUE || kAMAdownsig[0] == 0)) SoundSell = True; prevbars=Bars; return(0); }
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MT5源碼：//+------------------------------------------------------------------+ //| VarMovAvg.mq5 | //| Copyright ? 2009, EarnForex | //| http://www.earnforex.com/ | //| Based on Var_Mov_Avg3.mq4 by GOODMAN & Mstera ? AF | //+------------------------------------------------------------------+ #property copyright "Copyright ? 2009, EarnForex" #property link "http://www.earnforex.com" #property version "1.00" #property description "VarMovAvg - a mathematical superposition on the standard Moving Average approach." #property description "Green dots signal bullish trend. Red dots signal bearish trend." #property indicator_chart_window #property indicator_buffers 3 #property indicator_plots 2 #property indicator_type1 DRAW_LINE #property indicator_type2 DRAW_COLOR_ARROW #property indicator_color1 Sienna #property indicator_color2 Green, Red, Gray #property indicator_style1 STYLE_SOLID #property indicator_style2 STYLE_SOLID #property indicator_width1 2 #property indicator_width2 10 //---- input parameters input int periodAMA = 50; input int nfast = 15; input int nslow = 10; input double G = 1.0; input double dK = 0.1; input bool UseSound = true; input string SoundFile = "expert.wav"; //---- buffers double kAMAbuffer[]; double kAMAsig[]; double kAMAsigcol[]; //+------------------------------------------------------------------+ double slowSC, fastSC; bool SoundBuy = true; bool SoundSell = true; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { IndicatorSetString(INDICATOR_SHORTNAME, "VarMovAvg"); IndicatorSetInteger(INDICATOR_DIGITS, _Digits + 1); //---- indicators PlotIndexSetInteger(1, PLOT_ARROW, 159); //SetIndexDrawBegin(0,nslow+nfast); SetIndexBuffer(0, kAMAbuffer, INDICATOR_DATA); SetIndexBuffer(1, kAMAsig, INDICATOR_DATA); SetIndexBuffer(2, kAMAsigcol, INDICATOR_COLOR_INDEX); } //+------------------------------------------------------------------+ //| Data Calculation Function for Indicator | //+------------------------------------------------------------------+ 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[]) { int i, pos = 0, dir = 0, limit; double noise, AMA, AMA0, signal, ER; double dSC, ERSC, SSC, ddK; ArraySetAsSeries(Close, true); if (prev_calculated == rates_total) return(rates_total); slowSC = (2.0 / (nslow + 1)); fastSC = (2.0 / (nfast + 1)); if (rates_total <= (periodAMA + 2)) return(rates_total); if ((rates_total - prev_calculated) < (periodAMA + 2)) limit = periodAMA + 2; else limit = rates_total; pos = limit - periodAMA - 2; AMA0 = Close[pos+1]; while (pos >= 0) { if (pos == (limit - periodAMA - 2)) AMA0 = Close[pos+1]; signal = MathAbs(Close[pos] - Close[pos+periodAMA]); noise = 0.000000001; for (i = 0; i < periodAMA; i++) { noise = noise + MathAbs(Close[pos+i] - Close[pos+i+1]); } ER = signal / noise; dSC = (fastSC - slowSC); ERSC = ER * dSC; SSC = ERSC + slowSC; AMA = AMA0 + (MathPow(SSC, G) * (Close[pos] - AMA0)); kAMAbuffer[rates_total - pos - 1] = AMA; ddK = (AMA - AMA0); kAMAsig[rates_total - pos - 1] = AMA; if ((MathAbs(ddK)) > (dK * _Point) && (ddK > 0)) kAMAsigcol[rates_total - pos - 1] = 0; else if ((MathAbs(ddK)) > (dK * _Point) && (ddK < 0)) kAMAsigcol[rates_total - pos - 1] = 1; else kAMAsigcol[rates_total - pos - 1] = 2; AMA0 = AMA; pos--; } if ((kAMAsig[rates_total-1] != EMPTY_VALUE) && (kAMAsigcol[rates_total-1] == 0) && (SoundBuy)) { SoundBuy = false; if (UseSound) PlaySound(SoundFile); Comment(Symbol(), " ", Period(), "hellkkas BUY @ ", SymbolInfoDouble(Symbol(), SYMBOL_ASK)); Alert(Symbol(), " ", Period(), "hellkkas BUY @ ", SymbolInfoDouble(Symbol(), SYMBOL_ASK)); } if ((!SoundBuy) && ((kAMAsig[rates_total-1] == EMPTY_VALUE) || (kAMAsigcol[rates_total-1] != 0))) SoundBuy = true; if ((kAMAsig[rates_total-1] != EMPTY_VALUE) && (kAMAsigcol[rates_total-1] == 1) && (SoundSell)) { SoundSell = false; if (UseSound) PlaySound(SoundFile); Comment(Symbol(), " ", Period(), "hellkkas Sell @", SymbolInfoDouble(Symbol(), SYMBOL_BID)); Alert(Symbol(), " ", Period(), "hellkkas Sell @", SymbolInfoDouble(Symbol(), SYMBOL_BID)); } if ((!SoundSell) && ((kAMAsig[rates_total-1] == EMPTY_VALUE) || (kAMAsigcol[rates_total-1] != 1))) SoundSell = true; return(rates_total); }
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