RT Journal Article SR Electronic T1 Option performance measurement JF The Journal of Portfolio Management FD Institutional Investor Journals SP 42 OP 46 DO 10.3905/jpm.1984.408958 VO 10 IS 3 A1 Dan Galai A1 Robert Geske YR 1984 UL https://pm-research.com/content/10/3/42.abstract AB