The most prominent ETN is the MSCI India Index Exchange Traded Note ( INP).

FORBES: The ABCs Of Investing In India

Two others have exposure to oil futures: iPath Goldman Sachs (nyse: GS - news - people ) Crude Oil Total Return Index Exchange Traded Note and PowerShares Deutsche Bank (nyse: DB - news - people ) Oil Fund.

FORBES: A Shield Against The Next Oil Shock

This exchange-traded note (similar to an exchange-traded fund) uses the carry trade as an investment discipline.

FORBES: Keep An Eye On The Carry Trade As Rates Rise