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Data quality question

I ran a 12-month backtest on one of my VPS, which gave the below results with 100% data accuracy: and also ran the exact same backtest on another VPS , which gave the SAME RESULTS, but has worse data quality apparently: Can you please help me understand what is happening and how this is possible

4

Testing a trading system for robustness on MT5

I am convinced I may be overfitting my EA to historical data somewhat. Based on what I know, the methods available to test a system's robustness (and identify overfitting) in MT5 include: Using the built-in forward test/out-of-sample function in the strategy tester (and testing on other OOS data

7

Optimisation robustness and avoiding overfitting MT5

Context: This post is intended to be useful to those looking for ideas on how to set up an optimisation/setfile discovery process for themselves. Much more selfishly, I am also looking for advice from the more experienced on my optimisation process (which I will lay out below). I have been trading