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 January 29, 2026, SDS stock price climbed to $66.47 with 4,039,482 million shares trading.

SDS has a beta of -2.00, meaning it tends to be less sensitive to market movements. SDS has a correlation of 0.99 to the broad based SPY ETF.

SDS has a market cap of $329.76 million. This is considered a Small Cap stock.

In the last 3 years, SDS traded as high as $233.65 and as low as $65.71.

SDS has underperformed the market in the last year with a price return of -24.1% while the SPY ETF gained +16.0%. SDS has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -0.8% and -0.8%, respectively, while the SPY returned +1.3% and +0.5%, respectively.

SDS support price is $65.32 and resistance is $66.98 (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.