Definition. 1  A blood clot is a thickened mass in the blood formed by tiny substances called platelets. Clots form to stop bleeding, such as at the site of cut. 2  As soon as a blood vessel wall is damagedâby a cut or similar traumaâa series of reactions normally takes place to activate platelets to stop the bleeding.
Series EE bonds mature after 30 years, meaning they can earn interest for that period of time. EE bonds are sold for half of face value and the U.S. Treasury Department guarantees they will reach face value after 20 years. Bonds must be owned for at least one year before redemption.
Yield to Maturity Calculator Inputs. 1  Current Bond Trading Price ($) â The price of the bond today. 2  Bond Face Value/Par Value ($) â The face value of the bond, also know as the par value. 3  Years to Maturity â The numbers of years until the current bond matures.