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On the Persistence of Cointegration in Pairs Trading

Last Updated on 10 February, 2024 by Rejaul Karim

The research paper titled “On the Persistence of Cointegration in Pairs Trading” by Matthew Clegg navigates the landscape of U.S. equities. Delving into the concept of cointegration, the study sets out to unravel a fundamental question: does the cointegration of a pair of equities persist over time?

The investigation unfolds through a meticulous examination of pairs crafted from the S&P 500 constituents across the years 2002-2012, encompassing a staggering 860,000 pairs. The findings, however, challenge the prevailing hypothesis, revealing that cointegration is not a steadfast and enduring characteristic among equities.

This revelation prompts a reconsideration of the temporal dynamics inherent in pairs trading, offering fresh insights into the nuanced interplay of cointegration within the intricate fabric of quantitative finance.

Abstract Of Paper

An exploratory study is conducted to assess the persistence of cointegration among U.S. equities. In other words, if a pair of equities is found to be cointegrated in one period, is it likely that it will be found to be cointegrated in the subsequent period? An examination is performed of pairs formed from constituents of the S&P 500 during each of the calendar years 2002-2012, comprising over 860,000 pairs in total. The evidence does not support the hypothesis that cointegration is a persistent property.

Original paper – Download PDF

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Author

Matthew Clegg
Independent

Conclusion

In conclusion, our exploratory study delves into the persistence of cointegration in pairs trading within the U.S. equities landscape. By scrutinizing pairs formed from S&P 500 constituents over a substantial period, we sought to unravel the temporal stability of cointegration.

Contrary to the notion of persistence, our findings challenge the hypothesis that cointegration is an enduring property within paired equities. The comprehensive examination spanning the years 2002-2012, encompassing over 860,000 pairs, underscores the dynamic nature of cointegration.

As we navigate the intricate terrain of quantitative finance, our study contributes nuanced insights, emphasizing the need for a nuanced understanding of the evolving nature of cointegration in the pairs trading domain.

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FAQ

– What is the main focus of the research paper “On the Persistence of Cointegration in Pairs Trading” by Matthew Clegg, and what fundamental question does it seek to answer regarding U.S. equities?

The primary focus of the research paper is to assess the persistence of cointegration among U.S. equities. Specifically, the study addresses the fundamental question of whether the cointegration of a pair of equities remains consistent over time. By conducting an exploratory study using pairs formed from the S&P 500 constituents during the years 2002-2012, the research aims to unravel the temporal stability of cointegration in the context of pairs trading.

– What does the paper’s examination of over 860,000 pairs formed from S&P 500 constituents reveal about the persistence of cointegration among U.S. equities?

Contrary to the prevailing hypothesis, the findings of the study challenge the notion that cointegration is a persistent property within paired equities. The comprehensive examination, covering a substantial period and involving a staggering 860,000 pairs formed from S&P 500 constituents, does not support the idea that cointegration remains steadfast over time. This challenges the conventional understanding of cointegration in the context of pairs trading.

– What implications and insights does the research paper offer for quantitative finance and pairs trading, and how does it contribute to our understanding of cointegration dynamics in the U.S. equities landscape?

In conclusion, the paper emphasizes the dynamic nature of cointegration in pairs trading within the U.S. equities landscape. The findings prompt a reconsideration of the temporal stability of cointegration, challenging the hypothesis of its enduring nature. As the study contributes nuanced insights, it highlights the need for a more nuanced understanding of the evolving dynamics of cointegration in the pairs trading domain. This has implications for practitioners in quantitative finance, providing valuable insights into the temporal characteristics of cointegration in U.S. equities pairs.

You can find many more Research Papers here

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