Short interest in ProShares UltraShort Lehman 7-10 Year Treasury (ARCA:PST) decreased during the last reporting period, falling from 13.83K to 8.39K. This put -% of the company's publicly available shares short.

Short interest in ProShares UltraShort Lehman 7-10 Year Treasury Corp (ARCX:PST) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.

Based on the recent average volume of 7.48K shares traded per day, it would take 1.12 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.