ADF In currencies, this is the abbreviation for the Andorran Franc. Investopedia Says: The currency market, also known as the Foreign Exchange market, is the largest financial market in the world, with a daily average volume of over US $1 trillion. Related Terms: Currency FOREX Hard Currency Money ADF In currencies, this is the abbreviation for the Andorran Franc. Investopedia Says: The currency market, also known as the Foreign Exchange market, is the largest financial market in the world, with a daily average volume of over US $1 trillion. Related Terms: Currency FOREX Hard Currency Money |