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running two experts at the same time.

  • #1
  • First Post: Apr 17, 2010 2:56am Apr 17, 2010 2:56am
hi , I have wrote an expert to close my trade on moving average . I wanted to know if any of you has ever tried to run an expert on two diffrent pairs at the same time ? is it possible to do that ?
thanks
  • #2
  • Apr 17, 2010 4:03am Apr 17, 2010 4:03am
yes you can run multiple EA's on different charts. If you want them to be autonomous then make sure they have different magic numbers.

Lux
MT4 EA, Indicator and Alert Coder Since 2006
  • #3
  • Apr 18, 2010 3:12pm Apr 18, 2010 3:12pm
thanks , but I open my trades manually and then I use expert to manage and close them . since I open my trades manually I can't give them magical numbers . do u know any other solutions?
thanks
  • #4
  • Apr 18, 2010 3:25pm Apr 18, 2010 3:25pm
Use a script to open trades and that way you can assign the same magic number. You can either write one or find one posted around the Internet.

Lux
MT4 EA, Indicator and Alert Coder Since 2006
  • #5
  • Apr 18, 2010 3:36pm Apr 18, 2010 3:36pm
yeah thanks I was coding that but while I was coding I came to a more simple Idea . since I want to run an expert on two diffrent pairs . if I just check the Symbol() I think it will work. if I'm wrong plz correct me.
thanks a lot.
  • #6
  • Apr 18, 2010 3:56pm Apr 18, 2010 3:56pm
That'll work. Just watch out though if you happen to open up a trade on the same pair because your EA will start managing that too which may not be what you want.

Good luck

Lux
MT4 EA, Indicator and Alert Coder Since 2006
  • #7
  • Apr 18, 2010 4:03pm Apr 18, 2010 4:03pm
This is what I add to my EA's. Don't know how orthodox it is, but it allows me to open multiple EA's according to symbol and time frame.

PHP Code
int start()
  {
   if(Symbol()==Symbol()&&Period()==Period()){ rest of code ... }
   return(0);
  }
Of course if you intend to modify the orders afterwards, you may need to specify these parameters again when doing so. It depends on what you're trying to do, and/or you are modifying them according Magic Number or Order Comments.
  • #8
  • Apr 18, 2010 4:52pm Apr 18, 2010 4:52pm
That code makes no sense because you're comparing like with like.

Your statement basically says if 1=1 and 2=2 then do something. The test will always be true.

It also doesn't look like it would address the problem of what do do when the EA is looping through orders.

No it's not very orthodox.

Lux
MT4 EA, Indicator and Alert Coder Since 2006
  • #9
  • Edited 5:52pm Apr 18, 2010 5:23pm | Edited 5:52pm
Yeah, but it works. Or, it keeps the EA specific to the chart (symbol) and time frame that I open it on. Basically it's checking the chart and saying keep all the "new" orders specific to these parameters (on chart).

Quoting luxinterior
It also doesn't look like it would address the problem of what do do when the EA is looping through orders.
The only time it's a problem is when you open more than one chart using same symbol and time frame ... although this can be rectified (opening "additional" orders) by specifying maximum order count within the EA.
  • #10
  • Apr 18, 2010 6:03pm Apr 18, 2010 6:03pm
Quoting ecTrade
Yeah, but it works. Or, it keeps the EA specific to the chart (symbol) and time frame that I open it on. Basically it's checking the chart and saying keep all the "new" orders specific to these parameters (on chart).
Which it would do by default anyway so as I say the code is redundant.

Quote
The only time it's a problem is when you open more than one chart using same symbol and time frame ... although this can be rectified (opening "additional" orders) by specifying maximum order count within the EA.

Which is the problem the OP is trying to address. I've already suggested a solution and I think he's solved his problem now so no need for further discussion.

Lux
MT4 EA, Indicator and Alert Coder Since 2006
  • #11
  • Apr 18, 2010 6:28pm Apr 18, 2010 6:28pm
Quoting luxinterior
Which it would do by default anyway so as I say the code is redundant.
Could be. So many times an EA will specify a specific pair, and you have to change it if you wish to specify another pair. So I think I got it into my head (early on) that this was typical, and was looking for a way to place an order using the chart without having to specify the symbol. And when I tried this and it worked, I said great!

Quote
Which is the problem the OP is trying to address. I've already suggested a solution and I think he's solved his problem now so no need for further discussion.

Lux
Well, pardon me!
  • #12
  • Apr 19, 2010 2:11am Apr 19, 2010 2:11am
thansk . the EA worked by checking (OrderSymbol()==Symbol())
thank u all
  • #13
  • Apr 19, 2010 2:59am Apr 19, 2010 2:59am
Yeah, that's actually what I do or, I assign a magic number (for time frame) and check for that ... although I was mistaken about this other part.

Luxinterior is right. It's redundant.
  • #14
  • Last Post: Apr 19, 2010 4:50am Apr 19, 2010 4:50am
Quoting m0j1
thanks , but I open my trades manually and then I use expert to manage and close them . since I open my trades manually I can't give them magical numbers . do u know any other solutions?
thanks
Hello
Check -->THIS<-- out. Try EA no. 19 and 20. I think they can help you to open orders with specific magic number.
Some more Ea's in that thread can also do that job indirectly.
Carefully test them on demo before going Live.
Regards
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