ROFEX ended September with a new Open Interest historical record in its financial and agricultural divisions. This index amounted to 2,778,383 open contracts on September 29 trading session, representing more than 2,000 million dollars in nominal value.
In the Financial Derivatives Division (DDF), a volume of 4,898 million dollars was registered, placing September 2008 as the second highest volume month in ROFEX´s history, with an increase of 48% from August and 71% from the same month of the previous year.
Euro futures showed an important volume increase, reaching a total of 24.15 million euros traded, while on September 29 the Open Interest remained at 5.35 million euros.
The Open Interest measures the number of contracts that remain open, which is generally determined at the end of each trading session. Both volume and Open Interest are indicators of the intensity of a market’s movement or the pressure on price change, which helps to understand the direction taken by the prices trend and the market’s liquidity in a given moment.