How to backtest EAs ?

**funyoo** · 03-07-2009 14:06

Originally Posted by johno

Hi Funyo
Could you please tell me what data supplier you use for your back tests..

Johnno

Hi johno,

I use Metaquotes data to reach the 90% modelling quality.

Tools > History Center > Eccurency > Download.

**snkpool** · 03-07-2009 17:34

Each time I backtest, on any ea, the last two trades are always large losses. What am I doing wrong?

**funyoo** · 03-07-2009 17:55

Originally Posted by snkpool

Each time I backtest, on any ea, the last two trades are always large losses. What am I doing wrong?

Hi snkpool and welcome,

Maybe because on these EA there is no SL.

**BillR** · 03-07-2009 18:10

At the end of your test the backtest program closes your open orders, whatever the value might be...., It just closes the book to see what the performance is....

**snkpool** · 03-07-2009 19:04

Thanks, that makes sense.

**przem81621** · 03-25-2009 13:44

What's the sens to optimize ea for long time, year or more and use this data for live ?
Market always change, trend is one up one down. If we use data from oldies chance for catch good results is less than good. i think that better is optimise ex.3/4 month back and every weekend repeat it.
what are you thinking ?

**bigpipn** · 04-03-2009 15:28

99% Backtesting! This is a must. Funyoo you should extract what I'm about to post and make it a sticky.

**Ameriz** · 04-05-2009 04:10

Hai bigpipn,

Thanks for the document i sure need it to find guidance on backtesting the CCI TRADER EA funyoo has upgrade.

GREAT!!

**bigpipn** · 04-05-2009 04:58

Originally Posted by Ameriz

Hai bigpipn,

Thanks for the document i sure need it to find guidance on backtesting the CCI TRADER EA funyoo has upgrade.

GREAT!!

I got all excited but I still can't get over a 90% ???

Can anyone help out here?

**hunter6** · 09-15-2009 06:41

Originally Posted by funyoo

Hi johno,

I use Metaquotes data to reach the 90% modelling quality.

Tools > History Center > Eccurency > Download.

Guys, I used to get 90% on every test. Maybe I did to many or something. Now I only see 25%.

I've re-downloaded the histories, but it does not seem to be the same. The first time I downloaded them it took a while, now it is seconds, like it is not really downloading.

I also un-installed my FXDD meta, and re-installed -- same, haaaaaaaa, any ideas?

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