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Couple of questions about MT4 and MQL

  • #1
  • First Post: Feb 8, 2011 6:09am Feb 8, 2011 6:09am
Hi, i'm writing an EA and I've stumbled upon some hurdles. Any help would be much appreciated. Thanks!

1) Is there a way to determine the initial account balance from within the EA? My guess is that I'd have to use the first transaction in the history to get this value?

2) Any way to determine the date/time the account was opened? Once again, I'm assuming I'd have to use the date/time of the first transaction in history, which is the deposit, correct?

Thanks in advance for your effort to help.
  • #2
  • Feb 8, 2011 6:17am Feb 8, 2011 6:17am
I would say yes, but some brokers remove old history after a while.
  • #3
  • Feb 8, 2011 7:39am Feb 8, 2011 7:39am
Thanks Kenz,

Does anyone else know a more reliable method of getting this information?

Thanks.
  • #4
  • Feb 9, 2011 4:26am Feb 9, 2011 4:26am
I dont know about the deposit date but you only get the history data that your set yourself not the broker that is open the terminal > account history then right click on that window and select 'all history' that will give you access to your completed past history. NOTE: mql only sees the history that is in that window so if its set to daily that is all you can access.
Trader Keit ... Methods Of A Dirt Road Mad Man....
  • #5
  • Feb 10, 2011 5:52am Feb 10, 2011 5:52am
Quoting CockeyedCowboy
I dont know about the deposit date but you only get the history data that your set yourself not the broker that is open the terminal > account history then right click on that window and select 'all history' that will give you access to your completed past history. NOTE: mql only sees the history that is in that window so if its set to daily that is all you can access.
Thanks for your reply. It's a bummer that MT4 being such a popular trading platform doesn't natively support such functionality.
  • #6
  • Feb 10, 2011 7:05am Feb 10, 2011 7:05am
Quoting doc816
Hi, i'm writing an EA and I've stumbled upon some hurdles. Any help would be much appreciated. Thanks!

1) Is there a way to determine the initial account balance from within the EA? My guess is that I'd have to use the first transaction in the history to get this value?

2) Any way to determine the date/time the account was opened? Once again, I'm assuming I'd have to use the date/time of the first transaction in history, which is the deposit, correct?

Thanks in advance for your effort to help.
If you choose All History, as long as broker didn't remove the old history, you should be able to get initial acc balance / deposit
PHP Code
OrderSelect(0,SELECT_BY_POS,MODE_HISTORY);
double Deposit = OrderProfit();
datetime AcctOpeningDate = OrderOpenTime();
It works on IBFX Demo, deposit date Sept, 2010
  • #7
  • Feb 11, 2011 5:30am Feb 11, 2011 5:30am
yeah some brokers delete history to free up space because this info is stored on their servers and with who knows how many millions of trades this would be, every little trade adds up their maintenance cost on their servers and how many accounts that can be handled per server etc.

However, over the course of testing various things your history "should" remain intact provided when you start the account up that you go to the account history tab and select show history "all".

From that point on it should continue to show all history irrregardless if the broker deletes the info on their side. Including if you shut the machine down.

BUT and this is a big but, the moment you run an account history setting other than "show all" the information will be lost forever (the starting part) if the broker deleted it on their end.

I have only tested this on IBFX because I know they delete the history and since then I just leave it to "show all history" on any other demos I run so the information is not lost. So far it works on all in my experience.

If you run a statement to show the past week or past month or whatever and the broker has deleted any history and you switch back to "show all history" this is when the history is then gone forever.

Hope that helps.
  • #8
  • Feb 11, 2011 7:04am Feb 11, 2011 7:04am
Thanks for the insight guys.

@ pip_seeker, thats an interesting revalation. I didn't know it works like that.

Thank you all.
  • #9
  • Last Post: Feb 11, 2011 2:25pm Feb 11, 2011 2:25pm
sangmane

your right about retriveing the opening date from the initial deposit, I also see that it has (at least my account does) a ticket number with each deposit and withdrawal and the comment fields are labeled with deposit and withdrawal, one can search the comments and get the ticket numbers, dates, and totals of deposits and withdrawal not matter what the dates were.

I have not found my real account to delete any information, but demos generally delete every thing including the account if your not using them regularly.


Keit



Quoting sangmane
If you choose All History, as long as broker didn't remove the old history, you should be able to get initial acc balance / deposit
PHP Code
OrderSelect(0,SELECT_BY_POS,MODE_HISTORY);
double Deposit = OrderProfit();
datetime AcctOpeningDate = OrderOpenTime();
It works on IBFX Demo, deposit date Sept, 2010
Trader Keit ... Methods Of A Dirt Road Mad Man....
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