mt5 history for pairs calculation

[forextastic]

Hi everyone, I have always programmed in mql4, now I am using mql5. I have a problem: I am doing tests for an expert advisor that trades two pair at the same time (spread trading). To use qualitative data, I create custom symbols. However, for example, when I have to test the AUDCAD - AUDCHF pair, I see that the tester also searches for historical data for usdchf, and usdcad. Not finding them, it downloads them from the broker, but I cannot do the test for as many years as I want, being limited. I think it uses these assets to calculate the currency pair, is there a way to make it use a CUSTOM symbol for this too?

[Sergey Golubev]

The general information about multi-currency strategy tester: "The Strategy Tester is a multi-currency tool, which allows you to test and optimize strategies trading multiple financial instruments. The tester automatically processes information of all symbols that are used in the trading strategy, so you do not need to manually specify the list of symbols for testing/optimization."