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Can MT4 Brokers see your EA/Indi

  • #21
  • Mar 6, 2018 1:34pm Mar 6, 2018 1:34pm
A lot of people in this thread have mentioned how the broker can "understand you are using an EA" by your trading patters.
I am sure that in MT5, the broker knows instantly whether the order he receives is sent by hand or by an EA (several programmers I worked with have told me that and I read it in several sources -but again talking about MT5 specifically). Does MT4 lack this feature? Is it that in MT4 the broker has to guess, but in MT5 they know right away?
  • #22
  • May 18, 2019 1:23pm May 18, 2019 1:23pm
Quoting msood
Hi all I wonder if anyone has looked into the possibility whether it is technically possible for a mt4 broker to see your ea or indicator etc? I am not talking of intent here - just the technical possibility if a broker really wanted to, could they view/ pull your indicator/ ea code? Is there a standard setting on the MT4 server side that allows a broker to do this, or perhaps a third party plugin available to them? The reason for my starting this thread is that I have read about as well as personally experienced instances where an EA/ Strategy...
Not Possible
  • #23
  • Apr 2, 2021 12:24pm Apr 2, 2021 12:24pm
Quoting msood
Hi all I wonder if anyone has looked into the possibility whether it is technically possible for a mt4 broker to see your ea or indicator etc? I am not talking of intent here - just the technical possibility if a broker really wanted to, could they view/ pull your indicator/ ea code? Is there a standard setting on the MT4 server side that allows a broker to do this, or perhaps a third party plugin available to them? The reason for my starting this thread is that I have read about as well as personally experienced instances where an EA/ Strategy...
Was explained here : https://www.mql5.com/en/forum/364200#comment_21111246
  • #24
  • May 18, 2021 8:42am May 18, 2021 8:42am
It is possible for a broker to identify that you are using an EA, but it is impossible to take action over it because it runs based on the clients' side and not based on the server-side.
  • #25
  • Jun 23, 2021 5:05am Jun 23, 2021 5:05am
Quoting rancius
I think they know, if you are using any EA and I think so does any indicator. If they knew what they were doing, we wouldn't know either.
Sure they can know if a trade was placed manually or by program, because the terminal itself indicates the nature of placement.
Return To Disorder
  • #26
  • Jul 13, 2021 10:32am Jul 13, 2021 10:32am
I use mt4 once i get message in MQL5. Use stop loss so clearly someone watching me
  • #27
  • Sep 1, 2021 11:53pm Sep 1, 2021 11:53pm
Quoting msood
Hi all I wonder if anyone has looked into the possibility whether it is technically possible for a mt4 broker to see your ea or indicator etc? I am not talking of intent here - just the technical possibility if a broker really wanted to, could they view/ pull your indicator/ ea code? Is there a standard setting on the MT4 server side that allows a broker to do this, or perhaps a third party plugin available to them? The reason for my starting this thread is that I have read about as well as personally experienced instances where an EA/ Strategy...
Broker know when a trade is placed manually and when is placed by an expert advisor, but they can know the code of your expert advisor; meanwhile the broker cannot know if you are using any type of indicators.
My entire life in one sentence: it didn't go as planned, and that's ok.
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  • #28
  • Sep 2, 2021 12:07am Sep 2, 2021 12:07am
Quoting KnifeS2
{quote} Broker know when a trade is placed manually and when is placed by an expert advisor, but they can know the code of your expert advisor; meanwhile the broker cannot know if you are using any type of indicators.
As per your statement "but they can know the code of your expert advisor", are you sure the brokers know all our codes ?
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  • #29
  • Sep 2, 2021 1:13am Sep 2, 2021 1:13am
Quoting goods
{quote} I am a Network Engineer and I have worked with Software companies and QA departments. Brokers can see spitting image of what you are using. You dont think they script logs to send when your order goes to their dealing desks. If you dont think they cant see what you are running then you are terribly mis-informed.
For my EA, the logs only have info of placing trades and closing trades, nothing else.

I'm using two PCs, one is for MetaEditor to modify codes (PC1) and the other one is for running the EA (PC2), but I only put compiled ex4 EA at PC2. For PC1, it is an old PC, the specs are too low, not suitable to run EA. Therefore, I do not worry about my brokers screenshot images ...
  • #30
  • Sep 3, 2021 3:50am Sep 3, 2021 3:50am
My experience is that US brokers are really bad in the mentioned points. If you are winning they slow down you system. They make EA expert advisors useless by not obeying the commands or executing them whimsically.
  • #31
  • Sep 3, 2021 3:54am Sep 3, 2021 3:54am
Quoting Imran.Khalid
It is possible for a broker to identify that you are using an EA, but it is impossible to take action over it because it runs based on the clients' side and not based on the server-side.
Wrong! You cannot installed and .ex4 EA you have to decompile it in the broker server. You installed an EA advisor the broker knows the strategy.
  • #32
  • Sep 3, 2021 5:04am Sep 3, 2021 5:04am
Quoting Fxforum
{quote} Wrong! You cannot installed and .ex4 EA you have to decompile it in the broker server. You installed an EA advisor the broker knows the strategy.
Many brokers nowadays offer free VPS to clients, of course, the brokers know our strategy. It is better to use our own PC or own fee-based VPS service.
  • #33
  • Sep 8, 2021 11:27pm Sep 8, 2021 11:27pm
I haven't read this has been in this mentioned in this thread before, but when you hover the mouse over an order it shows whether it has been placed by an EA. So, brokers know that an EA is being used, even if no other means is available, just by logging in into the account.

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  • #34
  • Last Post: Dec 4, 2022 12:12pm Dec 4, 2022 12:12pm
does anyone know if Brokers can see the names or comments of the inputs of your EAs?
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