Hypothecation When a person pledges a mortgage as collateral for a loan, it refers to the right that a banker has to liquidate goods if you fail to service a loan. The term also applies to securities in a margin account used as collateral for money loaned from a brokerage. Investopedia Says: You are said to "hypothecate" the mortgage when you pledge it as collateral for a loan. Related Terms: Collateral Loan Mortgage Pledged Asset Rehypothecation |