Peak uranium gold, silver, copper or nickel, uranium is not widely traded on an organized commodity exchange such as the London Metal Exchange. It is traded on the NYMEX but on very low volume. Instead, it is traded in most cases through contracts negotiated directly between a buyer and a seller. The structure of uranium supply contracts varies widely. The prices are either fixed or base on referenced to economic indices such as GDP, inflation or currency exchange. Contracts traditionally are based on the uranium spot price and rules by which the price can escalate. Delivery quantities, schedules, and prices vary from
Commodity index fund Fund. There are many other funds, such as: These are very different from, and should not be confused with, commodity funds that hold real assets (oil refineries, farms, forests etc.) such as: A 2010 article in Harper's by Frederick Kaufman alleged that these Commodity Index funds were part of the global food crisis in 2008, including riots in 30 countries, a food price rise of 80 percent between 2005 and 2008, and an increased hunger rate. The article claimed that one mechanism involved was a 'demand shock' on wheat futures caused by the index funds, resulting in a 'contango' wheat