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Quantitative Finance · Glosario

¿Qué es Survivorship bias?

Definition 3.3 Research Craft: Predictors, Backtests, Measurement, Portfolios · Capítulo 3 — Point-in-Time Data and the Biases

Survivorship bias is the error of studying only the securities, funds or firms that exist at the end of the sample: those that were delisted, liquidated or merged away are missing, and they are not missing at random.

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