Average cross-responses in correlated financial market

Abstract

There are non-vanishing price responses across different stocks in correlated financial markets. We further study this issue by performing different averages, which identify active and passive cross-responses. The two average cross-responses show different characteristic dependences on the time lag. The passive cross-response exhibits a shorter response period with sizeable volatilities, while the corresponding period for the active cross-response is longer. The average cross-responses for a given stock are evaluated either with respect to the whole market or to different sectors. Using the response strength, the influences of individual stocks are identified and discussed. Moreover, the various cross-responses as well as the average cross-responses are compared with the self-responses. In contrast, the short memory of trade sign cross-correlation for stock pairs, the sign cross-correlation has long memory when averaged over different pairs of stocks.

stock pairs, averaged, see arXiv:1510.03205

References in corpus (3)

• Non-Stationarity in Financial Time Series and Generic Features
• Cross-response in correlated financial markets: individual stocks
• Microscopic understanding of heavy-tailed return distributions in an agent-based model

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