Breadth

Definition:

The percentage of assets or stocks advancing relative to those unchanged or declining. Also the number of independent forecasts available per year. A stock picker forecasting returns to 100 stocks every quarter exhibits a breadth of 400, assuming each forecast is independent (based on separate information).

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Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University

Term of the Day

Measurement error

Errors in measuring an explanatory variable in a regression, which leads to biases in estimated parameters.

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