MT3 Questions

Nicholishen · #1 (**permalink**) 02-01-2006, 02:08 PM

I recently realized that broker (particularly interbank fx) spreads can diverge more than 10 pips. I am scalping using MT3, and I attempted to code an algorithm to stay out of the market in such times. As the code is fairly simple, i seem to have problems with the following:

Code:

define: spread(2);

tt= spread * Point;
spr =ask - bid;

if spr != tt then 
	{
	sd++;
	 
	Print ("SPREAD DIFF ", spr);
	FileWrite(h1,bid,ask,spread,TimeToStr(CurTime),sd);
	}
	
Comment("BID (",bid,")    Ask (",ask,")   Spread (",spr,")");

When the result of spr is .0002 and tt = .0002 the expression for some reason still results as true. Any ideas to why?

4xCoder · #2 (**permalink**) 02-01-2006, 03:10 PM

You may be running into a floating point issue. I haven't wriiten MT3 in a long time but try something like below to see if it fixes the problem.

tt= spread ;
spr =(ask - bid)/Point;

if Abs(spr-tt) < .5 then
end

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