Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/89948
Title: | Order dynamics during the flash crash | Authors: | Ang, JS Hunsader, KJ Zhang, S |
Issue Date: | Sep-2019 | Source: | Journal of asset management, Sept. 2019, v. 20, no. 5, p. 365-383 | Abstract: | US common stocks are simultaneously traded on multiple trading centers. We study quotes and trades with millisecond time stamps during the flash crash of May 6, 2010, and document new findings about order dynamics when the fragmented market is under stress. First, relative to May 5, 2010, the number of trades and the number of quotes quadrupled on May 6, 2010. Second, during the flash crash, the proportional time of a trading center offering the best bid/ask quotes substantially reduced on all trading centers, while the effectiveness of turning best quotes into trades increased on almost all trading centers. Third and most importantly, we find significant changes in the level of trade (or quote) fragmentation during the flash crash for stocks with a high or low level of fragmentation, but no significant change for stocks with a fragmentation level in the middle range. These findings together demonstrate that, despite the dramatic increase in the number of quotes, there was insufficient liquidity on all trading centers, and stocks with a medium level of trade (or quote) fragmentation were most resilient to the sudden order flow shock. | Keywords: | Flash crash Herfindahl index Market fragmentation Order imbalance |
Publisher: | Palgrave Macmillan Ltd. | Journal: | Journal of asset management | ISSN: | 1470-8272 | EISSN: | 1479-179X | DOI: | 10.1057/s41260-019-00129-1 | Rights: | © Springer Nature Limited 2019 This is a post-peer-review, pre-copyedit version of an article published in Journal of Asset Management. The final authenticated version is available online at: https://doi.org/10.1057/s41260-019-00129-1. |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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order_dynamics_during_the_flash_crash_JAM.pdf | Pre-Published version | 1.01 MB | Adobe PDF | View/Open |
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