Which characteristic is unique to investment property?

Investment property is characterized specifically by its inclusion of securities and other investment-related interests, such as stocks, bonds, mutual funds, and ownership interests in partnerships that can be traded. This categorization sets it apart from other forms of collateral or property since it primarily relates to financial assets rather than physical assets or contractual agreements.

While contracts can sometimes be involved in transactions related to investment property, they are not unique to investment property itself and can apply to various property types. Similarly, physical assets can range widely across different property categories but do not define investment property uniquely. Intangible rights are a broad category that may encompass more than just investment-related interests, further differentiating investment property from other types. Thus, the defining feature of investment property is its connection to financial instruments and investment interests, making it a distinct category in secured transactions.