ProShares Ultrashort S&P500 has traded lower yet again today, last trading at 68.68. Since this spiral started on 31-Mar-2026, the stock has dropped -14.0% in total. SDS has only had a trend this long one other time in the past year, starting on 22-Apr-2025 and lasting for 9 days. The last time it had a downward trend this long, the stock lost another -10.5% in the two weeks that followed. View Stock Chart