In this article , Lauren Rosborough discusses how global and domestic foreign exchange markets have changed in recent years. These trends are illustrated using the latest Bank for international Settlements triennial foreign exchange and derivatives market survey and other indicators of foreign exchange market liquidity. The size and structure of the New Zealand foreign exchange market has altered in recent years .Trading in the New Zealand dollar now occurs predominately in Australia. There is some evidence to suggest that New Zealand dollar spot market liquidity has fallen but the New Zealand dollar remains quite liquid considering the small size of the New Zealand economy.