Ironworker, I decided to put money in it, only because paper trading for me was not an option and decided it was definitely not in my league of risk/reward right now. I held it for a few days and sold for profit. Read the prospectus and it might help give a better understanding of how its used.
I saw the VIX in the $16 range, and a possible top to the markets, so for me it was worth the buy the day I entered (hindsight is 20/20 though). I will play it again at some point with proper evaluation, picking my spots.
FWIW, have followed XZX's Commodity's board for a long time and used the finviz in the I-box to help me know how the futures of the markets were reacting and could have an educated guess of price direction and what it would open at to know what my move would be for my trade. I adjusted my stops too tight, IMO, but SAFE. Achieved my personal goal, but kinda bummed now. Education at its best,:).