SDS Stock Summary and Trading Ideas (ProShares Ultrashort S&P500 | ARCA:SDS)

ProShares UltraShort S&P500 seeks daily investment results before fees and expenses that correspond to twice (200%) the inverse (opposite) of the daily performance of the S&P500 Index.

ProShares Ultrashort S&P500 trades on the ARCA stock market under the symbol SDS.

As of September 11, 2026, SDS stock price declined to $54.81 with 2,540,733 million shares trading.

SDS has a beta of -1.98, meaning it tends to be less sensitive to market movements. SDS has a correlation of 1.00 to the broad based SPY ETF.

SDS has a market cap of $400.71 million. This is considered a Small Cap stock.

In the last 3 years, SDS traded as high as $203.75 and as low as $52.54.

SDS has underperformed the market in the last year with a return of -24.1%, while the SPY ETF gained +18.6%. In the last 3 month period, SDS fell short of the market, returning -9.2%, while SPY returned +5.8%. However, in the most recent 2 weeks SDS has outperformed the stock market by returning +1.7%, while SPY returned -0.7%.

SDS support price is $55.40 and resistance is $56.46 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that SDS shares will trade within this expected range on the day.