PT - JOURNAL ARTICLE AU - Haim Levy AU - James A. Yoder TI - Applying the Black–Scholes model after large market shocks AID - 10.3905/jpm.1989.409230 DP - 1989 Oct 31 TA - The Journal of Portfolio Management PG - 103--106 VI - 16 IP - 1 4099 - https://pm-research.com/content/16/1/103.short 4100 - https://pm-research.com/content/16/1/103.full