RT Journal Article SR Electronic T1 Evaluating Forecasts of Correlation Using Option Pricing JF The Journal of Derivatives FD Institutional Investor Journals SP 18 OP 38 DO 10.3905/jod.6.2.18 VO 6 IS 2 A1 Michael S. Gibson A1 Brian H. Boyer YR 1998 UL https://pm-research.com/content/6/2/18.abstract AB