Board of Governors of the Federal Reserve System

Stocks outstanding collected from public financial filings from several Central Clearing parties, including the National Securities Clearing Corporation, Fixed Income Clearing Corporation, Chicago Mercantile Exchange Inc., ICE Clear Credit and The Options Clearing Corporation. This includes cash and cash equivalents held on balance sheet, short-term restricted cash and cash equivalents held on balance sheet as well as cash and cash equivalents held within guaranty funds and margin deposits, detailed within additional notes in each audited financial statement. Transactions are calculated as the change in the stocks outstanding. Data for the most recent ten years show no significant seasonality.