Replies to post #3974 on Velocityshares 3X Long Natural Gas ETN (UGAZ)

[value1008]

Try these two sources:
http://seekingalpha.com/article/1457061-how-to-beat-leveraged-etf-decay#comments_header

Also see Mark Kennedy's very extensive website
http://etf.about.com/
You might want to start reading about the difference between ETNs and ETFs.