Information coefficient is the correlation between predicted and actual stock returns, sometimes used to measure the value of a financial analyst. It is a measure of the correlation between expected and actual returns. The IC is used internally within a firm to judge the performance of individual financial forecasters. The IC is measured on a scale between 0 to 1, with 1 indicating no difference between expected and actual returns. An IC of 1.0 indicates a perfect linear relationship between predicted and actual returns, while an IC of 0.0 indicates no linear relationship.
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