PT - JOURNAL ARTICLE AU - Hans R. Stoll AU - Robert E. Whaley TI - Volatility and futures AID - 10.3905/jpm.1988.409144 DP - 1988 Jan 31 TA - The Journal of Portfolio Management PG - 20--22 VI - 14 IP - 2 4099 - https://pm-research.com/content/14/2/20.short 4100 - https://pm-research.com/content/14/2/20.full