Svmuu News: The U.S. Commodity Futures Trading Commission (CFTC) and the U.S. Securities and Exchange Commission (SEC) have jointly issued a document seeking public comment on further harmonizing the regulatory framework for portfolio margin and cross-margin requirements for securities, equity-linked swaps, futures, swaps, and related positions. Key areas of the request for comments include existing portfolio margin models and practices, customer protection, cross-margin and cross-commodity netting, capital, margin, and collateral treatment, clearinghouse and clearing organization arrangements, as well as technical and operational implementation. The comment period will last for 60 days following the publication of the document in the Federal Register.