Historical Currency Converter | OANDAFeatures and Functionality The Historical Currency Converter is a simple way to access up to 31 years of historical exchange rates for 200+ currencies, metals, and cryptocurrencies. OANDA Rates® cover 38,000 FX currency pairs, and are easily downloadable into an Excel ready, CSV formatted file. This tool is ideal for auditors, CPAs, tax professionals, and anyone who needs accurate and authoritativ
