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Menkveld, AlbertJ. and Yueshen, B.Z. (2019). The flash crash: A cautionary tale about highly fragmented markets Management Science, 65(10):4470--4488.

  • Journal
    Management Science
View publication

A breakdown of cross-market arbitrage activity could make markets more fragile and result in price crashes. We provide suggestive evidence for this novel channel based on a high-frequency analysis of the most salient crash in recent history: The Flash Crash. We further show that such an event can be extremely costly for a large seller trading in a particular venue as the seller effectively relies on local liquidity supply only. These findings highlight the vulnerability of today{\textquoteright}s highly fragmented markets.