RT Journal Article SR Electronic T1 Writing Covered Call Options JF The Journal of Portfolio Management FD Institutional Investor Journals SP 74 OP 79 DO 10.3905/jpm.1980.408782 VO 7 IS 1 A1 James W. Yates A1 Robert W. Kopprasch YR 1980 UL https://pm-research.com/content/7/1/74.abstract AB