Psst, Wanna Know Another ETN Trading at a Premium To Indicative Value? (TVIX)

Here's the Morningstar page for the:
iPath DJ-UBS Natural Gas TR Sub-Idx ETN
 (GAZ)

NAV 2.44 USD

Open Price 4.83

Prem/Discount

84.71%
The little bugger is down 7% this morning.