If you suspect that one of your balances has been incorrectly valued in another currency, this may be because the automatic conversion is going through one or more exchanges with high volatility.
To identify which exchanges are being used to convert one balance to another, click on your list of Balances:
Select the balance for the currency you'd like to investigate:
The balance report will include a converted value for this currency in each of your reporting currencies. These converted values are used to generate your charts and reports. The tooltip will demonstrate which exchanges were used, and on which dates, to calculate the converted value:
You can configure the exchanges that are used in conversions by updating your Preferred Exchanges.