Short interest in ProShares UltraShort Lehman 7-10 Year Treasury (ARCA:PST) decreased during the last reporting period, falling from 32.98K to 9.57K. This put -% of the company's publicly available shares short.

Short interest for ProShares UltraShort Lehman 7-10 Year Treasury gives investors a sense of the degree to which investors are betting on the decline of ProShares UltraShort Lehman 7-10 Year Treasury's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 7.02K shares traded per day, it would take 1.36 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.