I can only assume your using options because this dog according to the Fidelity site is down over -3% prior 52 weeks
Morningstar shows YTD 1.43% for 2012 and 5.59% YTD 2013 Morningstar numbers usually include dividend distributions like most YTD figures. but your up 18.5%?
It all depends on when you bought. ETP has not moved over the last year for good reasons. The big fact is NEITHER DID MOST MLPs. The MLP universe was dead last year. Everything has now started to move again. Some of the better and strongest MLPs - EPD, KMP - take a look at their 52 week numbers. Stars like those do not go straight up.
I think you misunderstood him.
He is not quoting his trailing twelve month performance but his forward 12 month performance.
He's giving you his gain as of end 2013/early 2014.
Nothing could go wrong, of course.