Assign: To transfer to another to whom the property is assigned.

Assignment: The receipt of an exercise notice by an option writer (seller) that obligates him to sell (in the case of a call) or purchase (in the case of a put) the underlying security at the specified strike price. Assignment is a notification by The Options Clearing Corporation to a clearing member that an owner of an option has exercised his or her rights there under. For equity and index options, assignments are made on a random basis by The Options Clearing Corporation.