Uncovered Option - A written option is considered to be uncovered if the investor does not have a corresponding position in the underlying security.

Underlying Asset - The security which one has the right to buy or sell via the terms of a listed option contract. An underlying asset can be any financial instrument on which option contracts can be written based on. Some examples are : Stocks, ETFs, Commodities, Forex, Index.

Undervalued - Describing a security that is trading at a lower price than it logically should. Usually determined by the use of a mathematical model.