| 单词 | triple witching hour |
| 释义 | > as lemmastriple witching hour triple witching n. Stock Market colloquial (originally U.S.) a trading session during which three types of derivatives contracts expire, typically associated with volatile and unpredictable trading; frequently attributive, esp. (in triple witching hour) designating the final hour of such a trading session; also in extended use. ΚΠ 1985 N.Y. Times 24 June d5/1 Several days before last Friday's ‘triple witching hour’, many professional stock traders again braced for a wild final 60 minutes in the life of three key market forces: index futures and stock and index options. 1998 J. Rozario in C. W. Smithson Managing Financial Risk (ed. 3) iii. 45 The large price swings that occurred during triple-witching were much anticipated and discussed by the media. 2003 Card News (Electronic ed.) 14 May Visa and MasterCard were facing a litigation triple witching hour as action on three separate antitrust lawsuits escalates in the coming weeks. 2006 Daily Tel. (Nexis) 18 Mar. 35 Volumes were heavy with 4.5bn shares changing hands and the so-called ‘triple witching’ period—when the FTSE's index futures, index options and share options expire—passed smoothly. < as lemmas |
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