Short interest in ProShares Short S&P500 (ARCA:SH) increased during the last reporting period, rising from 431.12K to 575.78K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 8.02M shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.