$BTC

currency pair is the quotation of the relative value of one monetary unit against the unit of another currency in the foreign exchange market. The reference currency is called the quote currency, quoted currency, or counter currency, and the currency that is quoted in relation to it is called the base currency or transaction currency.

A currency pair. It would take 1.09614 US dollars to buy one euro.

Currency pairs are generally written by concatenating the ISO codes (ISO 4217) of the base currency and the quote currency, separating them with a slash. Alternatively, the slash can be omitted or replaced with a dot or a dash. A widely traded currency pair is the euro against the US dollar, referred to as EUR/USD. The EUR/USD quote of 1.2500 means that one euro is exchanged