PT - JOURNAL ARTICLE AU - Michael R. Asay TI - Implied margin requirements on options and stocks AID - 10.3905/jpm.1981.408803 DP - 1981 Apr 30 TA - The Journal of Portfolio Management PG - 55--59 VI - 7 IP - 3 4099 - https://pm-research.com/content/7/3/55.short 4100 - https://pm-research.com/content/7/3/55.full