Understanding SSO: A Practical Guide For Everyday Investors (SSO)

Andrzej Rostek/iStock via Getty ImagesThe ProShares Ultra S&P500 is an ETF (exchange-traded fund) designed to deliver twice the daily return of the S&P 500 index. It does this by using financial tools called derivatives to boost exposure to large U.S. companies. It’s engineered for short-term trading, not long-term investing. Because the fund resets every day, its results over several days might not exactly equal 2X the S&P 500’s performance, and the leverage means both profits and losses can be much la ...