RT Journal Article SR Electronic T1 Risk and Returns in Continuous Option Writing JF The Journal of Portfolio Management FD Institutional Investor Journals SP 73 OP 74 DO 10.3905/jpm.1979.408700 VO 5 IS 4 A1 Charles A. D'Ambrosio YR 1979 UL https://pm-research.com/content/5/4/73.abstract AB