市场监管 · 2011/7/191 分钟阅读
Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing and Immediate Effectiveness of Proposed Rule Change Regarding Clearing and Settling a Price Differential Spread Futures Transaction
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摘要
Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing and Immediate Effectiveness of Proposed Rule Change Regarding Clearing and Settling a Price Differential Spread Futures Transaction