Standard Deviations by Sector

Data Used: Value Line database, of 7364 firms

Date of Analysis: Data used is as of January 2008

can be obtained by clicking here

on which companies are included in each industry


Industry Name Number of Firms Std Deviation in Equity Std Deviation in Firm Value E/(D+E) D/(D+E)
Advertising 40 93.79% 68.48% 71.03% 28.97%
Aerospace/Defense 69 42.67% 36.95% 86.07% 13.93%
Air Transport 49 41.21% 28.85% 67.50% 32.50%
Apparel 57 66.77% 56.19% 83.44% 16.56%
Auto & Truck 28 28.35% 16.17% 50.46% 49.54%
Auto Parts 56 53.41% 37.69% 68.15% 31.85%
Bank 504 24.47% 17.72% 70.34% 29.66%
Bank (Canadian) 8 14.51% 13.72% 94.42% 5.58%
Bank (Midwest) 38 18.18% 13.36% 71.53% 28.47%
Beverage 44 52.03% 46.85% 89.70% 10.30%
Biotechnology 103 72.36% 66.51% 91.66% 8.34%
Building Materials 49 56.45% 44.31% 77.23% 22.77%
Cable TV 23 46.29% 30.54% 62.56% 37.44%
Canadian Energy 13 27.90% 24.07% 85.71% 14.29%
Chemical (Basic) 19 64.99% 56.56% 86.51% 13.49%
Chemical (Diversified) 37 33.99% 30.02% 87.88% 12.12%
Chemical (Specialty) 90 52.19% 44.58% 84.80% 15.20%
Coal 18 41.81% 36.82% 87.63% 12.37%
Computer Software/Svcs 376 96.12% 93.00% 96.68% 3.32%
Computers/Peripherals 144 82.49% 78.11% 94.55% 5.45%
Diversified Co. 107 43.83% 38.03% 86.24% 13.76%
Drug 368 85.41% 79.41% 92.77% 7.23%
E-Commerce 56 76.02% 73.60% 96.74% 3.26%
Educational Services 39 50.83% 50.16% 98.66% 1.34%
Electric Util. (Central) 25 18.40% 11.47% 57.90% 42.10%
Electric Utility (East) 27 19.07% 13.49% 68.35% 31.65%
Electric Utility (West) 17 15.80% 10.40% 62.38% 37.62%
Electrical Equipment 86 59.10% 35.70% 55.29% 44.71%
Electronics 179 80.61% 70.97% 87.59% 12.41%
Entertainment 93 98.22% 73.32% 72.90% 27.10%
Entertainment Tech 38 52.14% 50.76% 97.29% 2.71%
Environmental 89 90.86% 64.62% 68.81% 31.19%
Financial Svcs. (Div.) 294 48.82% 23.57% 34.07% 65.93%
Food Processing 123 38.83% 33.14% 84.72% 15.28%
Food Wholesalers 19 47.08% 32.94% 67.43% 32.57%
Foreign Electronics 10 20.69% 17.27% 82.70% 17.30%
Furn/Home Furnishings 39 41.33% 32.01% 76.08% 23.92%
Grocery 15 28.91% 22.58% 76.80% 23.20%
Healthcare Information 38 47.09% 41.97% 88.73% 11.27%
Heavy Construction 12 43.26% 41.79% 96.53% 3.47%
Home Appliance 11 28.66% 23.79% 82.20% 17.80%
Homebuilding 36 40.57% 21.44% 43.70% 56.30%
Hotel/Gaming 75 66.57% 50.21% 73.79% 26.21%
Household Products 28 43.77% 37.62% 85.38% 14.62%
Human Resources 35 53.99% 50.32% 93.01% 6.99%
Industrial Services 196 71.93% 58.77% 80.78% 19.22%
Information Services 38 33.76% 30.77% 90.86% 9.14%
Insurance (Life) 40 42.35% 39.17% 92.27% 7.73%
Insurance (Prop/Cas.) 87 26.89% 26.58% 98.80% 1.20%
Internet 266 92.64% 91.00% 98.20% 1.80%
Investment Co. 18 13.96% 13.89% 99.46% 0.54%
Investment Co.(Foreign) 15 23.12% 23.12% 100.00% 0.00%
Machinery 126 45.67% 37.33% 80.82% 19.18%
Manuf. Housing/RV 18 43.47% 38.25% 87.53% 12.47%
Maritime 52 26.20% 18.09% 66.36% 33.64%
Medical Services 178 65.30% 55.24% 83.91% 16.09%
Medical Supplies 274 71.34% 66.18% 92.56% 7.44%
Metal Fabricating 37 53.39% 48.62% 90.77% 9.23%
Metals & Mining (Div.) 78 87.77% 82.51% 93.84% 6.16%
Natural Gas (Div.) 31 29.43% 23.01% 76.90% 23.10%
Natural Gas Utility 26 31.45% 20.14% 60.12% 39.88%
Newspaper 18 27.94% 19.37% 66.65% 33.35%
Office Equip/Supplies 25 38.54% 29.70% 75.64% 24.36%
Oil/Gas Distribution 15 17.26% 12.71% 71.71% 28.29%
Oilfield Svcs/Equip. 113 44.27% 39.94% 89.88% 10.12%
Packaging & Container 35 43.46% 29.73% 65.58% 34.42%
Paper/Forest Products 39 36.74% 26.82% 71.00% 29.00%
Petroleum (Integrated) 26 35.52% 32.97% 92.62% 7.38%
Petroleum (Producing) 186 64.45% 54.56% 83.97% 16.03%
Pharmacy Services 19 34.38% 31.41% 91.08% 8.92%
Power 58 94.92% 85.13% 89.32% 10.68%
Precious Metals 84 65.41% 61.15% 93.29% 6.71%
Precision Instrument 103 99.31% 90.25% 90.58% 9.42%
Property Management 12 22.35% 13.20% 53.43% 46.57%
Publishing 40 42.89% 32.62% 74.49% 25.51%
R.E.I.T. 147 27.38% 20.03% 71.18% 28.82%
Railroad 16 31.95% 25.68% 79.33% 20.67%
Recreation 73 48.17% 38.14% 78.00% 22.00%
Reinsurance 11 20.75% 19.53% 93.94% 6.06%
Restaurant 75 47.71% 41.94% 87.46% 12.54%
Retail (Special Lines) 164 46.60% 41.64% 88.98% 11.02%
Retail Automotive 16 27.92% 20.22% 70.35% 29.65%
Retail Building Supply 9 25.89% 21.86% 83.76% 16.24%
Retail Store 42 44.82% 38.48% 85.26% 14.74%
Securities Brokerage 31 42.27% 22.61% 44.81% 55.19%
Semiconductor 138 63.57% 60.88% 95.67% 4.33%
Semiconductor Equip 16 37.16% 34.21% 91.82% 8.18%
Shoe 20 37.82% 36.87% 97.44% 2.56%
Steel (General) 26 37.43% 33.84% 90.08% 9.92%
Steel (Integrated) 14 64.44% 54.63% 84.10% 15.90%
Telecom. Equipment 124 75.79% 71.93% 94.78% 5.22%
Telecom. Services 152 73.68% 56.22% 74.79% 25.21%
Thrift 234 23.92% 19.21% 79.24% 20.76%
Tobacco 11 74.35% 69.28% 92.99% 7.01%
Toiletries/Cosmetics 21 37.37% 32.36% 86.04% 13.96%
Trucking 32 35.04% 24.45% 67.21% 32.79%
Utility (Foreign) 6 22.63% 21.97% 97.00% 3.00%
Water Utility 16 33.61% 23.18% 66.25% 33.75%
Wireless Networking 74 67.14% 59.15% 87.65% 12.35%
Market 7364 57.01% 46.14% 79.93% 20.07%


Last Updated in January 2008
By Aswath Damodaran