On April 5, ISDA announced a market practice statement on short sale price limitations triggered under Regulation SHO Rule 201 for U.S. share and index variance swaps. ISDA Statement.
short sale
SEC Extends Short Sale Rule Compliance Date
On November 4, the SEC extended the compliance date, from November 10, 2010 to February 28, 2011, for the short sale rule which restricts the prices at which a stock can be short sold if its price drops 10% or more in one day. SEC Release. SEC Extension.