This ETF may take short positions in futures contracts. (proshares.com)
Long positions or short positions in each futures contract are determined based on price movements over the past seven months. (proshares.com)
Currently, the closest that a trader can get to creating a «dollar neutral» spread position in the futures market is to trade 100 ounces of gold against 7,000 ounces of silver. (intermarketconnections.com)