Investing in oil: You have a lot of ETF options

— -- A: Many Ask Matt readers don't seem to trust today's lower oil prices.

Several have asked for ways to profit if oil prices rise again. It was the topic of this previous Ask Matt column.

That column names the exchange-traded fund (ETF) that tracks the price of oil, the iPath S&P GSCI Crude Oil Total Return index (OIL).

There are many other options, though. With additional research, using the ETF Screener in USATODAY.com's Stock/Fund/ETF Screener, you can learn how the ETFs differ from one other. I'll list some of the oil and energy ETFs in the table at left.

Matt Krantz is a financial markets reporter at USA TODAY and author of Investing Online for Dummies. He answers a different reader question every weekday in his Ask Matt column at money.usatoday.com. To submit a question, e-mail Matt at mkrantz@usatoday.com. Click here to see previous Ask Matt columns.