Interacting Anomalies

59 Pages Posted: 5 Aug 2020 Last revised: 6 Aug 2021

Date Written: July 8, 2020

Abstract

An extensive literature studies interactions of stock market anomalies using double-sorted portfolios. But given hundreds of known candidate anomalies, examining selected interactions is subject to a data mining critique. In this paper, we conduct a comprehensive analysis of all possible double-sorted portfolios constructed from 102 underlying anomalies. We find hundreds of statistically significant anomaly interactions, even after accounting for multiple hypothesis testing. An out-of-sample trading strategy that invests in the top backward-looking double-sort strategy generates equal-weighted (value-weighted) monthly average returns of 4% (2.7%) at an annualized Sharpe ratio of 2 (1.38), on par with state-of-the-art anomaly-based machine learning strategies.

Keywords: Stock Market Anomalies, Multiple Testing, Double-Sorted Portfolios, Cross-Section of Returns

JEL Classification: G11, G12

Suggested Citation

Müller, Karsten and Schmickler, Simon, Interacting Anomalies (July 8, 2020). Available at SSRN: https://ssrn.com/abstract=3646417 or http://dx.doi.org/10.2139/ssrn.3646417

Karsten Müller

NUS Business School

15 Kent Ridge Dr
Singapore
Singapore

Simon Schmickler (Contact Author)

Princeton University ( email )

Princeton, NJ
United States

HOME PAGE: http://simonschmickler.com

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