A review of two decades of correlations, hierarchies, networks and clustering in financial markets

G Marti, F Nielsen, M Bińkowski, P Donnat - Progress in information …, 2021 - Springer
We review the state of the art of clustering financial time series and the study of their
correlations alongside other interaction networks. The aim of the review is to gather in one …

Correlation and network analysis of global financial indices

S Kumar, N Deo - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
Random matrix theory (RMT) and network methods are applied to investigate the correlation
and network properties of 20 financial indices. The results are compared before and during …

Topological properties of stock market networks: The case of Brazil

BM Tabak, TR Serra, DO Cajueiro - Physica A: Statistical Mechanics and its …, 2010 - Elsevier
This paper investigates the topological properties of the Brazilian stock market networks. We
build the minimum spanning tree, which is based on the concept of ultrametricity, using the …

Currency crises and the evolution of foreign exchange market: Evidence from minimum spanning tree

W Jang, J Lee, W Chang - Physica A: Statistical Mechanics and its …, 2011 - Elsevier
We examined the time series properties of the foreign exchange market for 1990–2008 in
relation to the history of the currency crises using the minimum spanning tree (MST) …

The cross-correlations of stock markets based on DCCA and time-delay DCCA

A Lin, P Shang, X Zhao - Nonlinear Dynamics, 2012 - Springer
In this paper, the Detrended Fluctuation Analysis (DFA) and Detrended Cross-Correlation
Analysis (DCCA) are used to investigate the stock markets. The DFA method is a widely …

Correlation network analysis for multi-dimensional data in stocks market

M Kazemilari, MA Djauhari - Physica A: Statistical Mechanics and its …, 2015 - Elsevier
This paper shows how the concept of vector correlation can appropriately measure the
similarity among multivariate time series in stocks network. The motivation of this paper is (i) …

Intraday volatility and network topological properties in the Korean stock market

J Lee, J Youn, W Chang - Physica A: Statistical mechanics and its …, 2012 - Elsevier
We examine whether the relationship between market volatility and network properties in the
low-frequency level can be applied to the high-frequency level. For the analysis, we use the …

Effects of common factors on stock correlation networks and portfolio diversification

C Eom, JW Park - International Review of Financial Analysis, 2017 - Elsevier
This study empirically investigates the effects of common factors on the connectivity of the
network among stocks and on the distribution of the investment weights for stocks. The …

Физика и социофизика. Ч. 2. Сети социальных взаимодействий. Эконофизика

ЮЛ Словохотов - Проблемы управления, 2012 - cyberleninka.ru
Рассмотрены зарубежные и российские работы, относящиеся к социофизике (новому
разделу физики, изучающему процессы в обществе) и к смежным областям численного …

On interrelations of recurrences and connectivity trends between stock indices

B Goswami, G Ambika, N Marwan, J Kurths - Physica A: Statistical …, 2012 - Elsevier
Financial data has been extensively studied for correlations using Pearson's cross-
correlation coefficient ρ as the point of departure. We employ an estimator based on …