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Data Quality btw MT4 Demo and Live

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icm63 2007.04.18 11:20 
HI, If I run an EA on a DEMO MT4 account 1 min EURUSD vs the same EA on a Live MT4 Account 1 min EURUSD data, is it possible that you would get different results ( maybe tick feed is different ), that being live is better data feed ??? Broker : InterbankFX

This forward testing an EA, not back testing. Comparing data feeds running an EA in forward testing.
article

One Server Outage

One of the servers, on which the client terminals and Expert Advisors of the Championship Participants are working, failed last Saturday. For this reason 20 Expert Advisors did not work on Monday. All Expert Advisors have become able to continue their competition by 12 a.m. on Tuesday.


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Zap 2007.04.18 15:17 
Demo and Live accounts are on different servers, and different amount of requotes and different server stops are usual.


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ThomasB 2007.04.18 20:18 
Yes you'll get different results - take one pip profit off every demo trade at least -- that's more of an indication if your system is profitable.

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icm63 2007.04.18 22:38 
Well I just compared North Finance 1 min EURUSD to InterBankFx 1 Min EURUSD, and there are way more ticks or requotes or whatever in the NF data. Massive difference.

Crazy...

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wheel_of_fire 2007.04.19 16:03 
So is the effort of programming and demo trading pointless?

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ThomasB 2007.04.19 19:21 
No of course not. You can trade with a profitable EA on a live account. And if you aren't scalping your profits will be large enough to cover up for the differences between the Demo and Live accounts.
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