What is 'Foreign Exchange Reserves'

Foreign exchange reserves are assets held on reserve by a central bank in foreign currencies.

BREAKING DOWN 'Foreign Exchange Reserves'

Foreign exchange reserves are used to back liabilities and influence monetary policy. This refers to any foreign money held by a central bank, such as the United States Federal Reserve Bank. These reserves can include banknotes, deposits, bonds, treasury bills and other governmental securities. These assets serve many purposes but are most significantly held to ensure that a central government agency has backup funds if their national currency rapidly devalues or becomes all together insolvent.

It is a common practice in countries around the world for their central bank to hold a significant amount of reserves in their foreign exchange. Most of these reserves are held in the U.S. dollar, since it is the most traded currency in the world. It is not uncommon for the foreign exchange reserves to be made up of the British Pound (GBP), the Euro (EUR), the Chinese yuan (CNY) or the Japanese yen (JPY) as well.

Economists theorize that it is better to hold the foreign exchange reserves in a currency that is not directly connected to the country’s own currency in order to provide a barrier should there be a market shock. However, this practice has become more difficult as currencies have become more intertwined as global trading has become easier.

Foreign Exchange Reserves Around the World

The world's largest current foreign exchange reserve holder is China, a country holding more than 3.5 trillion of their assets in a foreign currency. Most of their reserves are held in the U.S. dollar. One of the reasons for this is that it makes international trade easier to execute since most of the trading takes place using the U.S. dollar.

Saudi Arabia also holds considerable foreign exchange reserves, as the country relies mainly on the export of their vast oil reserves. If oil prices begin to rapidly drop, their economy could suffer. They keep large amounts of foreign funds in reserves to act as a cushion should this happen, even if it’s only a temporary fix.

Russia’s foreign exchange reserves are held mostly in U.S. dollars, much like the rest of the world, but the country also keeps some of their reserves in gold. Since gold is a commodity with an underlying value, the risk in relying on gold in the event of a Russian economic decline is that the value of gold will not be significant enough to support the country’s needs. Another danger of using gold as a reserve is that the asset is only worth what someone else is willing to pay for it. During an economic crash, that would put the power of determining the value of the gold reserve, and therefore Russia’s financial fallback, into the hands of the entity willing to purchase it.

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