Overview on Cloudquants SymbolData (+ where does it come from)

Hey,
i couldnt find an overview on which symbols Cloudquant Provides and where this data comes from. Can anyone help please?
(Im mostly interested in exotic currency pairs, but a general overview would be heaven though)
Thanks a 1000 times
Comments
CloudQuant has US Equities only, we do not (at the moment) have FX data or support FX trading.