Same EA - different results on different brokers

[Andrzej Dziedzic]

Hi Guys,

 

I'd like to share my thought with you on some strange incident during backtesting. I noticed that when you backtest exactly the SAME Expert Advisor with THE SAME parameters, you can get completely different results between two MT4 platforms for two different brokers.

 

Well, I can understand that brokers quote differently, but hey. It should not create that huge disproportions as you can see on below screens.

 

Below is the comparison of account balance - it's exactly the same EA (same code, same parameters, same currency, same period) backtested on two different brokers. The accounts vary on account balance and leverage, but as far as I know this should not have such impact.

 

Have you ever had similar experience to this? 

 

 

 

 

[Stuart Browne]

It would really depend on the logic of your EA but yes, this is quite possible. Did you have fixed spread set or was it set to "current". That can also have a huge impact

[Dua Yong Rew]

data feed is different hence the difference

opening time of monday candle can be different also 

[Andrzej Dziedzic]

I am using current spread on both platforms. However, I just noticed there is a time difference between those two brokers, which has an impact on the logic of my EA. Thanks guys!

[Stuart Browne]

ad123:
I am using current spread on both platforms. However, I just noticed there is a time difference between those two brokers, which has an impact on the logic of my EA. Thanks guys!

You're welcome. Just remember, using "current spread" will give you unpredictable results. Best to always set it to a specific number which should be an average for that pair on that particular broker.