市场监管 · 2011/5/21 分钟阅读
Self-Regulatory Organizations; International Securities Exchange, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change Relating to Option Expiration Months Open for Trading on the Exchange
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摘要
Self-Regulatory Organizations; International Securities Exchange, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change Relating to Option Expiration Months Open for Trading on the Exchange