Board of Governors of the Federal Reserve System

99.4 99.1 100.2 99.2 98.1 102.4 94.4 93.9 97.8 99.0 98.5 Mining (except...99.3 97.2 96.4 98.4 99.2 100.1 100.8 96.0 94.6 97.9 97.6 Sugar and confectionery

99.3 98.1 99.9 Fluid milk | 311511 | .36 | 100.5 100.5 101.6 101.0 100.9...100.7 100.6 100.5 100.3 100.0 99.7 | 94.3 109.5 111.0 105.8 101.3 112.7

Finance and Economics Discussion Series Federal Reserve Board, Washington, D.C. ISSN 1936-2854 (Print) ISSN 2767-3898 (Online) Portfolio Margining

99.1 97.8 98.2 98.4 98.4 98.2 2007 98.5 99.6 99.5 100.1 100.1 100.3 100.3...100.4 100.7 100.0 100.4 100.3 99.2 100.2 100.4 100.2 100.0 2008 99.9 99.6

99.3 103.0 | 99.4 95.8 87.4 95.0 106.0 121.7 Electric power generation...100.5 101.2 98.7 99.4 96.5 100.1 | 99.9 92.1 85.8 93.7 104.6 117.2 Hydroelectric

100.8 100.8 99.9 103.3 104.1 102.0 100.7 100.9 99.5 Aircraft and parts...2.99 98.9 98.9 97.9 97.7 97.8 97.2 99.6 100.5 98.7 97.5 97.9 96.7 Railroad

99.2 98.6 100.5 92.6 95.5 98.2 99.6 98.0 103.0 Aerospace product and parts...99.8 102.8 101.9 101.4 100.9 101.2 100.1 102.1 101.8 100.6 99.9 101.2

100.1 98.4 99.4 100.1 100.0 99.9 102.1 INDUSTRY GROUPS Manufacturing 81.91...99.0 100.2 100.3 100.4 101.9 102.9 103.1 Computer and electronic products

8.99 | 103.6 99.6 102.5 100.0 99.9 100.1 | 95.0 105.3 118.9 115.8 102.7...99.5 99.0 100.3 100.0 | 96.5 96.8 99.3 99.8 102.3 102.4 Other food | 3119

99.2 100.3 100.6 | 95.9 97.6 99.0 99.3 103.9 100.2 Sawmills and wood preservation...100.9 99.7 100.6 102.3 103.2 | 95.0 99.4 99.3 100.9 106.2 103.1 Veneer