ProShares UltraShort Lehman 7-10 Year Treasury (NYSEARCA:PST – Get Free Report) was the target of a significant increase in short interest in September. Get ProShares UltraShort Lehman 7-10 Year Treasury alerts:ProShares UltraShort Lehman 7-10 Year Treasury Price PerformanceShares of ProShares UltraShort Lehman 7-10 Year Treasury stock opened at $22.11 on Friday. ProShares UltraShort Lehman 7-10 Year Treasury has a fifty-two week low of $18.80 and a fifty-two week high of $25.03. Institutional Trading of ProShares UltraShort Lehman 7-10 Year TreasuryAn institutional investor recently raised its position in ProShares UltraShort Lehman 7-10 Year Treasury stock. ProShares UltraShort Lehman 7-10 Year Treasury Company ProfileProShares UltraShort 7-10 Year Treasury seeks daily investment results, which correspond to twice (200%) the inverse (opposite) of the daily performance of the Barclays Capital 7-10 Year U.S. Treasury Index.