Generating realistic metaorders from public data

Fuente: arXiv
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Autori principali: Maitrier, Guillaume, Loeper, Grégoire, Bouchaud, Jean-Philippe
Natura: Preprint
Pubblicazione: 2025
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author Maitrier, Guillaume
Loeper, Grégoire
Bouchaud, Jean-Philippe
author_facet Maitrier, Guillaume
Loeper, Grégoire
Bouchaud, Jean-Philippe
contents This paper introduces a novel algorithm for generating realistic metaorders from public trade data, addressing a longstanding challenge in price impact research that has traditionally relied on proprietary datasets. Our method effectively recovers all established stylized facts of metaorders impact, such as the Square Root Law, the concave profile during metaorder execution, and the post-execution decay. This algorithm not only overcomes the dependence on proprietary data, a major barrier to research reproducibility, but also enables the creation of larger and more robust datasets that may increase the quality of empirical studies. Our findings strongly suggest that average realized short-term price impact is not due to information revelation (as in the Kyle framework) but has a mechanical origin which could explain the universality of the Square Root Law.
format Preprint
id arxiv_https___arxiv_org_abs_2503_18199
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Generating realistic metaorders from public data
Maitrier, Guillaume
Loeper, Grégoire
Bouchaud, Jean-Philippe
Trading and Market Microstructure
Portfolio Management
This paper introduces a novel algorithm for generating realistic metaorders from public trade data, addressing a longstanding challenge in price impact research that has traditionally relied on proprietary datasets. Our method effectively recovers all established stylized facts of metaorders impact, such as the Square Root Law, the concave profile during metaorder execution, and the post-execution decay. This algorithm not only overcomes the dependence on proprietary data, a major barrier to research reproducibility, but also enables the creation of larger and more robust datasets that may increase the quality of empirical studies. Our findings strongly suggest that average realized short-term price impact is not due to information revelation (as in the Kyle framework) but has a mechanical origin which could explain the universality of the Square Root Law.
title Generating realistic metaorders from public data
topic Trading and Market Microstructure
Portfolio Management
url https://arxiv.org/abs/2503.18199