The Options Clearing Corporation proposed amendments to formalize the procedures under which it would adjust the parameters for calculating margin requirements during periods of high market volatility.
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The NYSE proposed new fees and charges for providing wireless connectivity services in order to transport selected NYSE and affiliate market data to market participants.
The SEC approved Options Clearing Corporation rule amendments enhancing the "Vanilla Option Model" and "Smoothing Algorithm."
The Options Clearing Corporation proposed a rule change to enhance the "Vanilla Option Model" and "Smoothing Algorithm."