RT Journal Article SR Electronic T1 Investigation of a Class of Volatility Estimators JF The Journal of Derivatives FD Institutional Investor Journals SP 63 OP 71 DO 10.3905/jod.1997.407973 VO 4 IS 3 A1 Jacob Boudoukh A1 Matthew Richardson A1 Robert F. Whitelaw YR 1997 UL https://pm-research.com/content/4/3/63.abstract AB