Time Period selection

[TrendCatcher]

I reference H4 and D1 equally in my Expert advisor. I download both timeframes form tickstory. So when I run my backtest in MT4 (Not visual mode), which period must I select H4 or D1 inside of MT4? They give different results, just need to know which one to believe.

[tickstory]

Hi Trendcatcher,

It depends on how you've coded your EA. In the MQL language, you can explicitly refer to the timeframe you would like to reference (eg. iMA("EURUSD", PERIOD_H1,...). If you are putting NULL in the timeframe parameter, then it means you are using the default time-frame that has been selected on the Tester/Chart. Presumably this is the reason for the different results so you'll need to check your code accordingly.

Hope this helps.

[TrendCatcher]

Thanks

I do not use NULL ever. I do reference the timeframes with PERIOD_H4 and PERIOD_D1.

[tickstory]

Hi Trendcatcher,

The best way forward is to compare the first trade in each of your back-tests to understand why there's a difference between the two periods. Visual mode and some debugging info is likely to be useful.

Hope this helps.