An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock
()
or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Notice of Filing of Proposed Rule Change Concerning the Options Clearing Corporation's Margin Methodology for Incorporating Variations in Implied Volatility
Registered Clearing Agencies, The Options Clearing Corporation
Order Granting Approval of Proposed Rule Change Concerning The Options Clearing Corporation's Margin Methodology for Incorporating Variations in Implied Volatility
Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change Concerning the Options Clearing Corporation's Margin Methodology for Incorporating Variations in Implied Volatility
Notice of Designation of Longer Period for Commission Action on Proposed Rule Change Concerning the Options Clearing Corporation's Margin Methodology for Incorporating Variations in Implied Volatility
Public Comments