Historical stock prices for Dollar Thrifty Automotive Group (DTG). Dollar Thrifty Automotive Group, Inc. (DTG) is engaged in the business of the daily rental of vehicles to business and leisure customers through Company-owned stores. The Company also sells vehicle rental franchises worldwide and provides sales and marketing, reservations, data processing systems, insurance and other services to franchisees. Rental Car Finance Corp. (RCFC) provides vehicle financing to the Company. The Company owns DTG Operations, Inc. (DTG Operations), Dollar Rent A Car, Inc. and Thrifty, Inc. Thrifty, Inc. owns Thrifty Rent-A-Car System, Inc. and Thrifty Car Sales, Inc. (Thrifty Car Sales). Thrifty Rent-A-Car System, Inc. owns Dollar Thrifty Automotive Group Canada Inc. (DTG Canada). DTG Operations operates Company-owned stores under the Dollar brand and the Thrifty brand, operates reservation centers for both brands and conducts sales and marketing activities for both brands.