You get information on the last updated date and time of the currency rates (every 6 hours once the rates get updated).
Click on Settings
Click on Currency Rates
Add overrides to our standard rates by defining the rate you prefer us to use for your base currency.
Click On Settings
Click On Currency Rates.
Under Currency Override click on Add New Override on the top right side of the page.
Select the To Currency from the drop-down.
Provide the Conversion Rates
Click On Save.