A straddle is any set of offsetting positions on personal property. One example, is a put and call option on the same number of shares of a particular security, with the same exercise price and expiration date.
Definition of flack for English Language Learners. : a person whose job is to make people like or be interested in someone or something.
â¢ Quack. ( 1 n.) The cry of the duck, or a sound in imitation of it; a hoarse, quacking noise. ( 2 v. i.) To act the part of a quack, or pretender. ( 3 v. i.) To make vain and loud pretensions; to boast. ( 4 n.) Hence, one who boastfully pretends to skill or knowledge of any kind not possessed; a charlatan. ( 5 v. i.) To utter a sound like the cry of a duck.