Foreign exchange markets: price response and spread impact
arXiv:2104.09309 · doi:10.1016/j.physa.2021.126587
Abstract
We carry out a detailed large-scale data analysis of price response functions in the spot foreign exchange market for different years and different time scales. Such response functions provide quantitative information on the deviation from Markovian behavior. The price response functions show an increase to a maximum followed by a slow decrease as the time lag grows, in trade time scale and in physical time scale, for all analyzed years. Furthermore, we use a price increment point (pip) bid-ask spread definition to group different foreign exchange pairs and analyze the impact of the spread in the price response functions. We find that large pip spreads have a stronger impact on the response. This is similar to what has been found in stock markets.
arXiv comment12 pages, 3 figures, 2 tables. arXiv admin note: text overlap with arXiv:2010.15105
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