The futures price of soybean meal is influenced by many factors, including the change of macroeconomic indicators such as the exchange rate of the US dollar. The strength of the dollar exchange rate will affect the price of goods denominated in dollars. When the dollar appreciates, the cost for investors to hold other currencies will increase. On the contrary, when the dollar depreciates, the purchase cost will decrease. This relationship is called the dollar pricing effect. The US dollar is the legal tender of the United States and one of the most important reserve currencies in the world. It is issued and managed by the Federal Reserve System. There are 1 USD, 2/USD, 51USD, 20/USD, 50/USD and 100 USD in US bills, and 65,448 USD in coins.