However, there are about 18 currency pairs that are conventionally quoted by forex market makers as a result of their overall liquidity. These pairs are: USD/CAD EUR/JPY EUR/USD EUR/CHF USD/CHF EUR/GBP GBP/USD AUD/CAD NZD/USD GBP/CHF AUD/USD GBP/JPY USD/JPY CHF/JPY EUR/CAD AUD/JPY EUR/AUD AUD/NZD The total amount of currency trading involving these 18 pairs represents the majority of the trading volume in the FX market.
This manageable number of choices makes trading a lot less complicated compared to dealing with equities, which has thousands of possible choices to choose from.