RT Journal Article SR Electronic T1 Value at Risk When Daily Changes in Market Variables are not Normally Distributed JF The Journal of Derivatives FD Institutional Investor Journals SP 9 OP 19 DO 10.3905/jod.1998.407998 VO 5 IS 3 A1 John C Hull A1 Alan D White YR 1998 UL https://pm-research.com/content/5/3/9.abstract AB