beta coefficientbe‧ta co‧ef‧fi‧cient /ˈbiːtə kəʊəˌfɪʃəntˈbeɪtə koʊ-/ (also beta factor, beta) noun [singular]FINANCESTATISTICSa measurement of the amount of change in a shareprice over a period of time, compared with the average amount of change in all share prices
