On October 31, 2011 (the “Petition Date”), MF Global, which up to that point had been one of the world’s largest broker/dealer firms, was plunged into insolvency on both sides of the pond. On the Petition Date, MF Global Holdings, Ltd. and MF Global Finance USA, Inc. (the “US Debtors”) each filed voluntary bankruptcy petitions under chapter 11 of the Bankruptcy Code in the Bankruptcy Court for the Southern District of New York. Contemporaneously with the U.S. bankruptcy filings, the Securities Investor Protection Corporation initiated the liquidation of MF Global, Inc., the U.S.