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Rule 48
Rule 48, also known as Exemptive Relief — Extreme Market Volatility Condition,〔(【引用サイトリンク】title=Dealings and Settlements (Rules 45—299C): Delivery Dates on Exchange Contracts )〕 is a mechanism used by the New York Stock Exchange to ease market opening while volatility is high. It may have the effect of pre-empting trading at disrupted prices, as the designated market makers do not have to disseminate price indications prior to the opening bell. ==History== Rule 48 was approved by the U.S. Securities and Exchange Commission on December 6, 2007.〔〔 It was invoked 77 times from 2008 to September 2015, but only used a few times.〔 For example, it was used on January 22, 2008 and May 20, 2010,〔〔 as well as September 1, 2015.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Rule 48」の詳細全文を読む
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