RT Journal Article SR Electronic T1 Applying the Black–Scholes model after large market shocks JF The Journal of Portfolio Management FD Institutional Investor Journals SP 103 OP 106 DO 10.3905/jpm.1989.409230 VO 16 IS 1 A1 Haim Levy A1 James A. Yoder YR 1989 UL https://pm-research.com/content/16/1/103.abstract AB