PT - JOURNAL ARTICLE AU - G. Andrew Karolyi TI - Stock Market Volatility Around Expiration Days AID - 10.3905/jod.1996.407969 DP - 1996 Nov 30 TA - The Journal of Derivatives PG - 23--43 VI - 4 IP - 2 4099 - https://pm-research.com/content/4/2/23.short 4100 - https://pm-research.com/content/4/2/23.full