ProShares Ultrashort S&P500 (SDS) closed at $55.23 on October 23, 2026, up 1.2% from the previous close, on volume of 2,631,645 shares (30-day average 3,509,282).
Data as of October 23, 2026.
No press releases found.
Defensive-led market breadth is a warning sign, not a win - Carson
Seeking Alpha News (Fri, 23-Oct 4:49 PM ET)
S&P 500 eyes third straight quarter of 25%+ earnings growth
Seeking Alpha News (Fri, 23-Oct 3:24 PM ET)
BofA maps 2027 scenarios: AI bubble, market breadth, or railroad-style bust
Seeking Alpha News (Fri, 23-Oct 9:32 AM ET)
Trump’s economic approval hits all-time low, corruption tops voter concerns ahead of midterms - CNBC
Seeking Alpha News (Fri, 23-Oct 7:01 AM ET)
Stock volatility surge reinstates U.S. Treasurys as hedges - Nomura
Seeking Alpha News (Thu, 22-Oct 3:07 PM ET)
Investors should not own bonds for the next 10 years – Palantir co-founder Joe Lonsdale
Seeking Alpha News (Thu, 22-Oct 2:36 PM ET)
AI bust could trigger 30% S&P 500 plunge, $20T wipeout - TS Lombard
Seeking Alpha News (Thu, 22-Oct 1:04 PM ET)
Trick or Treat: Halloween trade opens next week
Seeking Alpha News (Wed, 21-Oct 3:11 PM ET)
Decades of methodological CPI tweaks mask true inflation - Barry Ritholtz
Seeking Alpha News (Wed, 21-Oct 12:55 PM ET)
Sweeps, splits, and selloffs: Wall Street prepares for midterm fallout
Seeking Alpha News (Wed, 21-Oct 11:23 AM ET)
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 October 23, 2026, SDS stock price climbed to $55.23 with 2,631,645 million shares trading.
SDS has a beta of -1.99, 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 $378.93 million. This is considered a Small Cap stock.
In the last 3 years, SDS traded as high as $203.75 and as low as $51.97.
SDS has underperformed the market in the last year with a return of -19.5%, while the SPY ETF gained +14.9%. In the last 3 month period, SDS fell short of the market, returning -2.0%, while SPY returned +1.9%. However, in the most recent 2 weeks SDS has outperformed the stock market by returning +4.1%, while SPY returned -1.8%.
SDS support price is $53.89 and resistance is $55.25 (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.