ProShares Ultrashort Smallcap600 (SDD) closed at $9.09 on October 29, 2026, unchanged from the previous close, on volume of 117 shares (30-day average 1,624).
Data as of October 29, 2026.
29-Oct-2026
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ProShares UltraShort SmallCap600 seeks daily investment results before fees and expenses that correspond to twice (200%) the inverse (opposite) of the daily performance of the S&P SmallCap 600 Index.
ProShares Ultrashort Smallcap600 trades on the ARCA stock market under the symbol SDD.
As of October 29, 2026, SDD stock price was flat at $9.09 with 117 million shares trading.
SDD has a market cap of $1.53 million. This is considered a Sub-Micro Cap stock.
In the last 3 years, SDD traded as high as $28.92 and as low as $7.79.
SDD has underperformed the market in the last year with a price return of -27.3% while the SPY ETF gained +13.0%. However, in the short term, SDD had mixed performance relative to the market. It has outperformed in the last 3 months, returning +7.6% vs +5.7% return in SPY. But in the last 2 weeks, SDD shares have been beat by the market, returning -3.0% compared to an SPY return of -0.3%.
SDD support price is $8.92 and resistance is $9.26 (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 SDD shares will trade within this expected range on the day.
