FWIW an EA for 3 Ducks
modified from a file available elsewhere
I have not yet had an alert so do not know how good it is
//+------------------------------------------------------------------+
//| 3 Ducks SMA Expert Advisor.mq4 |
//+------------------------------------------------------------------+
#define eaN "3 Ducks SMA Expert Advisor"
extern string separator1="---------------- Entry Settings";
extern int FirstPeriod=240;
extern int SecondPeriod=60;
extern int ThirdPeriod=5;
extern int smaPeriod=60;
extern string separator2="---------------- Lot Management";
extern double Lots=0.1;
extern bool RiskManagement=false; //money management
extern double RiskPercent=10; //risk in percentage
extern bool Martingale=false; //martingale
extern double Multiplier=1.5; //multiplier
extern double MinProfit=0; //minimum profit to apply the martingale
extern string separator3="---------------- TP SL TS BE";
bool EnableHiddenSL=false;
int HiddenSL=5; //stop loss under 15 pîps
bool EnableHiddenTP=false;
int HiddenTP=10; //take profit under 10 pîps
extern int StopLoss=0; //stop loss
extern int TakeProfit=0; //take profit
extern int TrailingStop=0; //trailing stop
int TSStep=1; //trailing step
extern int BreakEven=0; //breakeven
extern string separator4="---------------- Extras";
extern bool Reverse=false;
extern bool AddPositions=false; //positions cumulated
extern int MaxOrders=100; //maximum number of orders
extern bool MAFilter=false; //moving average filter
extern int MAPeriod=20;
extern int MAMethod=0;
extern int MAPrice=0;
extern bool TimeFilter=false; //time filter
extern int StartHour=8;
extern int EndHour=21;
extern int Magic=0;
int Slip=3;static int TL=0;double Balance=0.0;int err=0;int TK;
//start function
int start(){int j=0,limit=1;double BV=0,SV=0;BV=0;SV=0;if(CntO(OP_BUY,Magic)>0)TL=1;if(CntO(OP_SELL,Magic)>0)TL=-1;
for(int i=1;i<=limit;i++){
//time filter
string TIFI="false";if(TimeFilter){if(!(Hour()>=StartHour && Hour()<=EndHour)){TIFI="true";}}
//ma filter
double MAF=iMA(Symbol(),0,MAPeriod,0,MAMethod,MAPrice,i);string MAFIB="false";string MAFIS="false";
if((MAFilter==false)||(MAFilter&&Bid>MAF))MAFIB="true";if((MAFilter==false)||(MAFilter&&Ask<MAF))MAFIS="true";
//main signal
double CLO1=iClose(Symbol(),FirstPeriod,i);
double CLO2=iClose(Symbol(),SecondPeriod,i);
double CLO3=iClose(Symbol(),ThirdPeriod,i);
double sma1=iMA(Symbol(),FirstPeriod,smaPeriod,0,MODE_SMA,PRICE_CLOSE,i);
double sma2=iMA(Symbol(),SecondPeriod,smaPeriod,0,MODE_SMA,PRICE_CLOSE,i);
double sma3=iMA(Symbol(),ThirdPeriod,smaPeriod,0,MODE_SMA,PRICE_CLOSE,i);
string SBUY="false";string SSEL="false";
if(CLO1>sma2&&CLO2>sma3&&CLO1>sma3)SBUY="true";if(CLO1<sma2&&CLO2<sma3&&CLO1<sma3)SSEL="true";
//entry conditions
if(MAFIB=="true"&&SBUY=="true"&&TIFI=="false"){if(Reverse)SV=1;else BV=1;break;}
if(MAFIS=="true"&&SSEL=="true"&&TIFI=="false"){if(Reverse)BV=1;else SV=1;break;}}
//risk management
bool MM=RiskManagement;
if(MM){if(RiskPercent<0.1||RiskPercent>100){Comment("Invalid Risk Value.");return(0);}
else{Lots=MathFloor((AccountFreeMargin()*AccountLeverage()*RiskPercent*Point*100)/(Ask*MarketInfo(Symbol(),MODE_LOTSIZE)*
MarketInfo(Symbol(),MODE_MINLOT)))*MarketInfo(Symbol(),MODE_MINLOT);}}
if(MM==false){Lots=Lots;}
//martingale
if(Balance!=0.0&&Martingale==True){if(Balance>AccountBalance())Lots=Multiplier*Lots;else if((Balance+MinProfit)<AccountBalance())Lots=Lots/Multiplier;
else if((Balance+MinProfit)>=AccountBalance()&&Balance<=AccountBalance())Lots=Lots;}Balance=AccountBalance();
//positions initialization
int cnt=0,OP=0,OS=0,OB=0,CS=0,CB=0;OP=0;for(cnt=0;cnt<OrdersTotal();cnt++){OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES);
if((OrderType()==OP_SELL||OrderType()==OP_BUY)&&OrderSymbol()==Symbol()&&((OrderMagicNumber()==Magic)||Magic==0))OP=OP+1;}
if(OP>=1){OS=0; OB=0;}OB=0;OS=0;CB=0;CS=0;int SL=StopLoss;int TP=TakeProfit;
//entry conditions verification
if(SV>0){OS=1;OB=0;}if(BV>0){OB=1;OS=0;}
//conditions to close position
if((SV>0)||(TIFI=="true")||(EnableHiddenSL&&(OrderOpenPrice()-Bid)/Point>=HiddenSL)||(EnableHiddenTP&&(Ask-OrderOpenPrice())/Point>=HiddenTP)){CB=1;}
if((BV>0)||(TIFI=="true")||(EnableHiddenSL&&(Ask-OrderOpenPrice())/Point>=HiddenSL)||(EnableHiddenTP&&(OrderOpenPrice()-Bid)/Point>=HiddenTP)){CS=1;}
for(cnt=0;cnt<OrdersTotal();cnt++){OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES);
if(OrderType()==OP_BUY&&OrderSymbol()==Symbol()&&((OrderMagicNumber()==Magic)||Magic==0)){if(CB==1){OrderClose(OrderTicket(),OrderLots(),Bid,Slip,Red);return(0);}}
if(OrderType()==OP_SELL&&OrderSymbol()==Symbol()&&((OrderMagicNumber()==Magic)||Magic==0)){if(CS==1){OrderClose(OrderTicket(),OrderLots(),Ask,Slip,Red);return(0);}}}
double SLI=0,TPI=0;int TK=0;
//open position
if((AddP()&&AddPositions&&OP<=MaxOrders)||(OP==0&&!AddPositions)){
if(OS==1){if(TP==0)TPI=0;else TPI=Bid-TP*Point;if(SL==0)SLI=0;else SLI=Bid+SL*Point;
TK=OrderSend(Symbol(),OP_SELL,Lots,Bid,Slip,SLI,TPI,eaN,Magic,0,Red);OS=0;return(0);}
if(OB==1){if(TP==0)TPI=0;else TPI=Ask+TP*Point;if(SL==0)SLI=0;else SLI=Ask-SL*Point;
TK=OrderSend(Symbol(),OP_BUY,Lots,Ask,Slip,SLI,TPI,eaN,Magic,0,Lime);OB=0;return(0);}}
for(j=0;j<OrdersTotal();j++){if(OrderSelect(j,SELECT_BY_POS,MODE_TRADES)){if(OrderSymbol()==Symbol()&&((OrderMagicNumber()==Magic)||Magic==0)){TrP();}}}
//trailing stop
MoveTrailingStopsPerMN(Magic);return(0);}
//number of orders
int CntO(int Type,int Magic){int _CntO;_CntO=0;
for(int j=0;j<OrdersTotal();j++){OrderSelect(j,SELECT_BY_POS,MODE_TRADES);if(OrderSymbol()==Symbol()){
if((OrderType()==Type&&(OrderMagicNumber()==Magic)||Magic==0))_CntO++;}}return(_CntO);}
//breakeven
void TrP(){int BE;double pb,pa,pp;pp=MarketInfo(OrderSymbol(),MODE_POINT);if(OrderType()==OP_BUY){
pb=MarketInfo(OrderSymbol(),MODE_BID);BE=BreakEven;if(BE>0){if((pb-OrderOpenPrice())>BE*pp){
if((OrderStopLoss()-OrderOpenPrice())<0){ModSL(OrderOpenPrice()+0*pp);}}}}if(OrderType()==OP_SELL){
pa=MarketInfo(OrderSymbol(),MODE_ASK);BE=BreakEven;if(BE>0){if((OrderOpenPrice()-pa)>BE*pp){
if((OrderOpenPrice()-OrderStopLoss())<0){ModSL(OrderOpenPrice()-0*pp);}}}}}
//trailing stop function
void MoveTrailingStopsPerMN(int iMN){string symbol=Symbol();int icnt,itotal;int TS=TrailingStop;itotal=OrdersTotal();
for(icnt=0;icnt<itotal;icnt++){OrderSelect(icnt,SELECT_BY_POS,MODE_TRADES);if(OrderType()==OP_SELL&&OrderSymbol()==symbol&&OrderMagicNumber()==iMN){
if (OrderStopLoss()==0){OrderModify(OrderTicket(),OrderOpenPrice(),Ask+Point*TS,OrderTakeProfit(),0,Red);}if((OrderOpenPrice()-Ask)>(Point*TS)){
if(OrderStopLoss()>(Ask+Point*TS)){OrderModify(OrderTicket(),OrderOpenPrice(),Ask+Point*TS,OrderTakeProfit(),0,Red);}}}
if(OrderType()==OP_BUY && OrderSymbol()==symbol&&OrderMagicNumber()==iMN){if(OrderStopLoss()==0){
OrderModify(OrderTicket(),OrderOpenPrice(),Bid-Point*TS,OrderTakeProfit(),0,Green);}if(Bid-OrderOpenPrice()>Point*TS){
if(OrderStopLoss()<Bid-Point*TS){OrderModify(OrderTicket(),OrderOpenPrice(),Bid-Point*TS,OrderTakeProfit(),0,Green);}}}}return(0);}
//stop loss modification function
void ModSL(double ldSL){bool fm;fm=OrderModify(OrderTicket(),OrderOpenPrice(),ldSL,OrderTakeProfit(),0,CLR_NONE);}
//add positions function
bool AddP(){int _num=0; int _ot=0;
for (int j=0;j<OrdersTotal();j++){if(OrderSelect(j,SELECT_BY_POS)==true && OrderSymbol()==Symbol()&&OrderType()<3&&((OrderMagicNumber()==Magic)||Magic==0)){
_num++;if(OrderOpenTime()>_ot) _ot=OrderOpenTime();}}if(_num==0) return(true);if(_num>0 && ((Time[0]-_ot))>0) return(true);else return(false);
//not enough money message to continue the martingale
if(TK<0){if (GetLastError()==134){err=1;Print("Low Funds Level");}return (-1);}}