"Pass off" trade to another EA | Forex Factory

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"Pass off" trade to another EA

  • #1
  • First Post: Oct 1, 2008 12:04pm Oct 1, 2008 12:04pm
Hello,
I am trying to find a way to modify an existing trade (started by an EA) that can be carried on, or modified by another EA apart from the EA that originated the trade. As it is not yet possible to modify the magic number, is there a work around that I can use to tag a given trade so that a completely different EA can monitor it seperately on a different chart and time frame.

Example: I have an EA the enters trades on a small time frame with a given criteria. If the market moves in my direction, I'd like to move the trade monitoring out to progressively larger and larger time frames. All this while simultaneously allowing the original EA to continue entering trades on the smaller time frame as the market conditions dictate.

Question: How can I program a seperate EA to look for and distiguish those trades that meet the longer time frame criteria and NOT interfere with those trades that are still generated on the shorter time frame...Likewise, how do I keep the EA on the shorter timeframe from interfering with the trades on the longer time frame?

The only thing I can think of is to somehow "mark" or "tag" those qualifying trades with some unique identifyer allowing the other EA to search for and find these trades. Is there a way to do this? It would be really nice if I could modify the magic number somehow.

Does anyone have any suggestions?
  • #2
  • Oct 1, 2008 9:13pm Oct 1, 2008 9:13pm
try playing with OrderComment()...
  • #3
  • Edited Oct 2, 2008 1:46am Oct 1, 2008 10:28pm | Edited Oct 2, 2008 1:46am
Yes, I have done this with the main EA I use, I have three different type of trades and a switching criteria as to which one to trade at a given time (as in Parrando game A Game B1 or Game B2. To do this, I use a combination of the following.

extern int Magic = 101;

for Trade A, Ordersend(..... "GameA"+Magic"...
for Trade B1 Ordersend(..... "GameB1"+Magic...
for Trade B2 Ordersend(..... "GameB2"+Magic....

If I where to need further refinement, I could OrderModify the comment to include the ticket number. My EAs do not require this level though, because it is only one trade at a time depending other criteria.

EDIT: I see, I mislead you here. What I meant is what I stated in the post below. You cannot modify a comment. I meant I could add the ticket number and the comment from the order, into a variable. But I digress. Just reading the comment by the receiving EA will do the job. Sorry for my mistake.
  • #4
  • Oct 2, 2008 1:17am Oct 2, 2008 1:17am
Quoting lucidlamp
try playing with OrderComment()...
On checking the ordermodify() criteria I don't see where it allows you to enter or change the comments like it does on the ordersend() criteria. Can you explain how to change an order comment?
  • #5
  • Edited 1:42am Oct 2, 2008 1:21am | Edited 1:42am
Quoting gspajon
On checking the ordermodify() criteria I don't see where it allows you to enter or change the comments like it does on the ordersend() criteria. Can you explain how to change an order comment?
You do not change the comment, you query for the comment that belongs to the order that you want another EA to control. The comment was created at the moment of Ordersend()

Use Ordercomment() to find out if the comment in the Order you want to pass is the correct one. The receiving EA would make this test. At least this is how mine works.
  • #6
  • Oct 2, 2008 1:58am Oct 2, 2008 1:58am
Mr Jones,

Thank you for your reply but I don't think that will work as the EA I'm using for the entry is the same for all trades. The only thing distinguishing a trade I want to hold would be something that is added ONLY if a certain criteria is met AFTER entry. There would be no difference in searching for a comment than searching for a magic number as they would all be the same.

I'm looking for a way to modify an order and place a unique marker on it after the trade is entered and it is later determined a potential "Hold" onto a longer time frame...does that make sense?

Any ideas along those lines?
  • #7
  • Oct 2, 2008 2:10am Oct 2, 2008 2:10am
Quoting gspajon
Mr Jones,

Thank you for your reply but I don't think that will work as the EA I'm using for the entry is the same for all trades. The only thing distinguishing a trade I want to hold would be something that is added ONLY if a certain criteria is met AFTER entry. There would be no difference in searching for a comment than searching for a magic number as they would all be the same.

I'm looking for a way to modify an order and place a unique marker on it after the trade is entered and it is later determined a potential "Hold" onto a longer time frame...does that make sense?

Any ideas along those lines?
Well, if you can only modify the order after it is placed, I would play with maybe setting the TP to a number that is larger than the curreny can be. You could use some set number like 999999 to indicate that is the order to move. Then the receiving EA could look for that number in the OrderTakeProfit().. Just a thought.

Also, the receiving EA could have the logic to close the trade at the required TakeProfit. So the OrderTakeProfit would in effect become a marker
  • #8
  • Oct 2, 2008 9:53am Oct 2, 2008 9:53am
Mr. Jones,

That is an EXCELLENT suggestion! Its a very simple answer to the question. For each successive time frame I will modify the TP larger and larger to identify the trades...BRILLIANT, and very creative!

THANK YOU so much!
  • #9
  • Oct 3, 2008 1:24am Oct 3, 2008 1:24am
Quoting gspajon
Hello,
I am trying to find a way to modify an existing trade (started by an EA) that can be carried on, or modified by another EA apart from the EA that originated the trade. As it is not yet possible to modify the magic number, is there a work around that I can use to tag a given trade so that a completely different EA can monitor it seperately on a different chart and time frame.

Example: I have an EA the enters trades on a small time frame with a given criteria. If the market moves in my direction, I'd like to move the trade monitoring out to progressively larger and larger time frames. All this while simultaneously allowing the original EA to continue entering trades on the smaller time frame as the market conditions dictate.

Question: How can I program a seperate EA to look for and distiguish those trades that meet the longer time frame criteria and NOT interfere with those trades that are still generated on the shorter time frame...Likewise, how do I keep the EA on the shorter timeframe from interfering with the trades on the longer time frame?

The only thing I can think of is to somehow "mark" or "tag" those qualifying trades with some unique identifyer allowing the other EA to search for and find these trades. Is there a way to do this? It would be really nice if I could modify the magic number somehow.

Does anyone have any suggestions?
To pass off trades to another EA...you would need to set a global variable
Request custom Expert Advisor or Indicator: dostapyuk "at" gmail . com
  • #10
  • Oct 3, 2008 2:36pm Oct 3, 2008 2:36pm
  •  tesla
  • | Joined Oct 2006 | Status: Friendly Neighborhood Programmer | 533 Posts
Quoting Oksana17
To pass off trades to another EA...you would need to set a global variable
Correct. Use a global variable or share data via files.

I'd recommend NOT relying on the comment field as some MT brokers have been known to clear out/modify the comment field during swap roll.
  • #11
  • Last Post: Oct 6, 2008 8:13am Oct 6, 2008 8:13am
Do I need a global variable or share data file if I am using the same magic number on both EA's and both EA's are using the same account?

It seems to me that when I tell the EA to loop through the orders then select the one with the correct ordertype, symbol, magic number and then take profit...that would work....wouldn't it?
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