Will anyone tell me what modeling is better to test EA.

 
Will anyone tell me what modeling is better to test EA.
With tics the result is -18%, and only opening prices is + 18% for the same period.
 
Ivaylo Melkov:
Will anyone tell me what modeling is better to test EA.
With tics the result is -18%, and only opening prices is + 18% for the same period.

Every tick based on real ticks give the most trustworthy results, all other choices compromise, unless we are talking about a long term strategy with large SL, trailing SL and TP limits.

 
Thanks, Eleni!