The daily trading volume for all FX currencies is about US$1.7 trillion. That’s more than the NYSE, NASDAQ and London equity markets combined. But unlike stock, six major currency pairs account for about 90% of the daily FX trading volume. You just need to concentrate all your efforts on analyzing these 6 major currency pairs:
Euro Currency / US Dollar – EUR/USD … “Euro”
British Pound / US Dollar – GBP/USD … “Cable”
US Dollar / Swiss Franc – USD/CHF … “Swissy”
US Dollar / Japanese Yen – USD/JPY … “Gopher”
Australia Dollar / US Dollar – AUD/USD … “Aussie”
US Dollar / Canadian Dollar – USD/CAD … “Loonie”