More ProShares Ultrashorts Tomfoolery [View article]
I looked at the UYG, and it is a mirrow of the XLF so I am not sure how the double-longs are dangerous as stated by Mark. I do however agree that the 2X and god-forbid the 3X shorts are inefficient as hedging devices. I played with the TZA for a bit, and got burned like everyone else even though I was RIGHT and this was a time frame of a couple weeks at most.
More ProShares Ultrashorts Tomfoolery [View article]