There are various ways you might calculate profits & losses from buying and selling currency (without the use of margin):
Profit & loss calculation: transaction-to-transaction
Profit & loss calculation: start balances vs end balances
Disclaimer
IMPORTANT: Countries differ on how cryptocurrency transactions, trades and holdings are taxed (if at all) and how they view cryptocurrencies in general (e.g. as money, as property, as a commodity, etc). Please consult a local accountant, tax lawyer or government official for advice.
The decimal and thousands separators shown in this article may differ from the formats displayed on our trading platforms. Review our article on how we use points and commas for more information.