Understanding par value will help you determine the value of a bond. Investing can be filled with a lot of industry jargon, such as par value. Par value is a term you may hear in relation to the value of a bond or share of stock. In this instance, we are concerned with the par value of bonds. The more you know about what you are investing in, the less likely you are to invest in something that isn’t right for you. What is a bond? Bonds are IOUs issued by corporations, federal, state and local go