MetaTrader History Data Importing and Converting Tutorial for Quality Backtesting

Backtesting MetaTrader expert advisors on historical data is a good way to test a strategy. But testing on the limited data supplied with MT4 installation gives a very poor quality of testing (usually below 50%). So, how to achieve a 90% quality in backtesting of MT4 expert advisors? It’s not that hard really, just follow this simple tutorial and you will able to test any MetaTrader EA.

1. Download a new MetaTrader 4 installation and install it to a separate folder. Be advised that a good MetaTrader historical data take up a lot of disk space, so install it to a drive with at least 1–2 Gbytes of free space. For download MT4 installation I recommend official MetaQuotes site.

2. After you install your MT4, don’t run it yet. Go to the folder you have installed it to. Go the ’history’ folder there and delete all folders there (the actual folders names inside the ’history’ folder may be different from those on these pictures):............ see more here >>>>>>