The results below are over a very limited time period, primarily due to the relatively short trading history of leveraged ETFs. (scottsinvestments.com)
There are less risky ways to make short trades by using put options, but you should ensure that you have a firm grasp on what's happening before you use real money. (money.stackexchange.com)
This chart marks out the exit points for long trades and short trades using this straightforward method. (tradingsetupsreview.com)