Trade Responsibly. Trade Responsibly.CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 84.60% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.
FxPro Help Centre - Glossary

Base Currency

The base currency is the first currency in a given currency pair quotation. The base currency represents how much of the quote currency (the second currency in a given currency pair quotation) is required to purchase a unit of the base currency.