Portfolio Analytics

Selection Bias

Definition

What is Selection Bias?

A distortion caused by choosing a sample that is not representative of the intended population.

Example in practice

Studying only successful investors gives an inflated view of typical outcomes.

Keep learning

A statistic ranging from minus one to plus one that describes how two return series move together.

A relationship in which two assets tend to move in the same direction.

A relationship in which two assets tend to move in opposite directions.

An analysis of portfolio performance under severe but plausible scenarios.

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