SEC Approves Amendments to NYSE and CBOE Margin Rules that Substantially Expand Portfolio Margining
January 3, 2007
January 3, 2007
On January 3, 2007, the Washington office authored a memorandum entitled “SEC Approves Amendments to NYSE and CBOE Margin Rules that Substantially Expand Portfolio Margining.” This 25-page memo discusses amendments to the margin rules of the NYSE and CBOE that substantially expand the ability of member firms to establish customer margin requirements using a risk-based portfolio margining methodology.