RT Journal Article SR Electronic T1 Return Volatilities of Stock Index Futures in Hong Kong JF The Journal of Derivatives FD Institutional Investor Journals SP 55 OP 62 DO 10.3905/jod.1996.407961 VO 4 IS 1 A1 Gordon Y.N. Tang YR 1996 UL https://pm-research.com/content/4/1/55.abstract AB