APÂ®, Advanced Placement ProgramÂ® or Pre-APÂ® is a registered trademark of the College Board, which was not involved in the production of, and does not endorse, this product. SATÂ® is a trademark registered and/or owned by the College Board, which was not involved in the production of, and does not endorse, this product.
1 The International Society for the Study of Individual Differences (ISSID) was founded in 1983 to foster research on individual differences in temperament, intelligence, attitudes, and abilities.
What is an 'Original Issue Discount - OID'. An original issue discount (OID) is the discount from par value at the time a bond or other debt instrument is issued; it is the difference between the stated redemption price at maturity and the actual issue price. The most extreme example of an OID is a zero-coupon bond.