COVID anomaly in the correlation analysis of S&P 500 market states

• M. Mijaíl Martínez-Ramos ,

  Roles Formal analysis, Investigation, Software, Validation, Visualization

  ¶☯ All these authors are contributed equally to this work.

  Affiliation Instituto de Ciencias Físicas - Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México

  https://orcid.org/0009-0005-4046-9588

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• Manan Vyas ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Software, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: manan@icf.unam.mx

  ¶☯ All these authors are contributed equally to this work.

  Affiliation Instituto de Ciencias Físicas - Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México

  https://orcid.org/0000-0003-2084-1109

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• Parisa Majari ,

  Roles Formal analysis, Software, Validation, Writing – review & editing

  ¶☯ All these authors are contributed equally to this work.

  Affiliation Instituto de Ciencias Físicas - Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México

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• Thomas H. Seligman

  Roles Conceptualization, Investigation, Supervision, Writing – original draft, Writing – review & editing

  ¶☯ All these authors are contributed equally to this work.

  Affiliations Instituto de Ciencias Físicas - Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México, Centro Internacional de Ciencias AC - UNAM, Avenida Universidad 1001, UAEM, Cuernavaca, Morelos, México

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