Uncovering the dynamics of correlation structures relative to the collective market motion

AJ Heckens, SM Krause, T Guhr - Journal of Statistical …, 2020 - iopscience.iop.org
The measured correlations of financial time series in subsequent epochs change
considerably as a function of time. When studying the whole correlation matrices, quasi …

Co-trading networks for modeling dynamic interdependency structures and estimating high-dimensional covariances in US equity markets

Y Lu, G Reinert, M Cucuringu - arXiv preprint arXiv:2302.09382, 2023 - arxiv.org
The time proximity of trades across stocks reveals interesting topological structures of the
equity market in the United States. In this article, we investigate how such concurrent cross …

Cross-impact and no-dynamic-arbitrage

M Schneider, F Lillo - Quantitative Finance, 2019 - Taylor & Francis
We extend the 'No-dynamic-arbitrage and market impact'-framework of Gatheral [Quant.
Finance, 2010, 10 (7), 749–759] to the multi-dimensional case where trading in one asset …

Graph-based methods for forecasting realized covariances

C Zhang, X Pu, M Cucuringu… - Journal of Financial …, 2024 - academic.oup.com
We forecast the realized covariance matrix of asset returns in the US equity market by
exploiting the predictive information of graphs in volatility and correlation. Specifically, we …

Cross-impact of order flow imbalance in equity markets

R Cont, M Cucuringu, C Zhang - Quantitative Finance, 2023 - Taylor & Francis
We investigate the impact of order flow imbalance (OFI) on price movements in equity
markets in a multi-asset setting. First, we propose a systematic approach for combining OFIs …

The inelastic market hypothesis: a microstructural interpretation

JP Bouchaud - Quantitative Finance, 2022 - Taylor & Francis
Full article: The inelastic market hypothesis: a microstructural interpretation Skip to Main Content
Taylor and Francis Online homepage Taylor and Francis Online homepage Log in | Register Cart …

Quasi-stationary states in temporal correlations for traffic systems: Cologne orbital motorway as an example

S Wang, S Gartzke, M Schreckenberg… - Journal of Statistical …, 2020 - iopscience.iop.org
Traffic systems are complex systems that exhibit non-stationary characteristics. Therefore,
the identification of temporary traffic states is significant. In contrast to the usual correlations …

How to build a cross-impact model from first principles: Theoretical requirements and empirical results

M Tomas, I Mastromatteo, M Benzaquen - Quantitative Finance, 2022 - Taylor & Francis
Full article: How to build a cross-impact model from first principles: theoretical requirements
and empirical results Skip to Main Content Taylor and Francis Online homepage Taylor and …

A mean field game of portfolio trading and its consequences on perceived correlations

CA Lehalle, C Mouzouni - arXiv preprint arXiv:1902.09606, 2019 - arxiv.org
This paper goes beyond the optimal trading Mean Field Game model introduced by Pierre
Cardaliaguet and Charles-Albert Lehalle in [Cardaliaguet, P. and Lehalle, C.-A., Mean field …

A new attempt to identify long-term precursors for endogenous financial crises in the market correlation structures

AJ Heckens, T Guhr - Journal of Statistical Mechanics: Theory …, 2022 - iopscience.iop.org
Prediction of events in financial markets is every investor's dream and, usually, wishful
thinking. From a more general, economic and societal viewpoint, the identification of …