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Ask/Bid programming problem

  • #1
  • First Post: Mar 18, 2010 1:05am Mar 18, 2010 1:05am
Hello everyone in FF,

I am trying to work on something and I am having difficulty.

I would like to be able to figure out the spread and use that as a condition as to whether or not enter a trade.

When I use the following code within a program...it does calculate and display the correct spread on my chart......

======================================================

String Display = "";
Double spread = (Ask - Bid) *10000;
Display = "current spread is: " + DoubleToStr(spread,1);

if (rsi_a > 50 && spread <= 5) Order = SIGNAL_BUY;
if (rsi_b < 50 && spread <= 5) Order = SIGNAL_SELL;

Comment(Display);

======================================================

The problem is that with the above code....no trades will take place.
However...once I remove the "spread <= 5" portion of the code....it trades just fine.

Does anyone know what the problem is? I simply want to establish what the current spread is and then build that in to my condition so as not to trade when the spread exceeds a certain limit.


Thanks in advance for any help with this.
  • #2
  • Mar 18, 2010 1:11am Mar 18, 2010 1:11am
Try

Inserted Code
MarketInfo(Symbol(),MODE_SPREAD);

Lux
MT4 EA, Indicator and Alert Coder Since 2006
  • #3
  • Mar 18, 2010 1:13am Mar 18, 2010 1:13am
First off all use this:
Double spread = (Ask - Bid) /Point;
It ensures u get the right spread no matter what pair.

Second of all, is ur broker 4 or 5-digit?
  • #4
  • Mar 18, 2010 1:18am Mar 18, 2010 1:18am
Thanks for the help....

So the following would work?......


double spread = MarketInfo(symbol, MODE_SPREAD);



  • #5
  • Mar 18, 2010 1:19am Mar 18, 2010 1:19am
Quoting NowAndLater
First off all use this:
Double spread = (Ask - Bid) /Point;
It ensures u get the right spread no matter what pair.

Second of all, is ur broker 4 or 5-digit?
4 digit
  • #6
  • Mar 18, 2010 1:35am Mar 18, 2010 1:35am
Then I can't see what the problem is either, hope someone else can
  • #7
  • Mar 18, 2010 8:21am Mar 18, 2010 8:21am
It depends on whether you want to express the spread in pips or in monetary units and if it is in pips whether you want to express it in traditional pips or fractional pips.

If you want to express it in traditional pips, the formula above is wrong.


double spread = MarketInfo(symbol, MODE_SPREAD); // this is in monetary units.

if ((Digits == 4) || (Digits == 2)) spreadPips = spread/Point;
if ((Digits == 5) || (Digits == 3)) spreadPips = spread/(Point*10.); // answer in traditional pips
  • #8
  • Last Post: Mar 18, 2010 9:43am Mar 18, 2010 9:43am
hey man..... use marketinfo like lux mentioned.... code below works....h

Inserted Code
 
extern int maxspread = 5;
//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
  return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
   return(0);
  }
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
//----
 
      int spread = MarketInfo(Symbol(),MODE_SPREAD);
 
      double rsi = iRSI(NULL,0,14,0,1);
 
      if(rsi > 50.0 && spread <= maxspread)
        {
        OrderSend(Symbol(),OP_BUY, 0.01,Ask,3,Ask-100*Point,Ask+100*Point,0,0,0,Blue);
        } 
 
      if(rsi < 50.0 && spread <= maxspread)
        {
        OrderSend(Symbol(),OP_SELL,0.01,Bid,3,Bid+100*Point,Bid-100*Point,0,0,0,Red);   
        } 
 
//----
   return(0);
  }
to trade and code, keep both simple... no call to impress....h
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