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.
Flack vs. flak. A flack is a personâespecially a press agent or publicistâwho talks up his or her employer and deflects criticism. Flak (usually a mass noun) refers to (1) antiaircraft artillery, and (2) excessive or abusive criticism (the second definition derives metaphorically from the first).