Among the theories to explain the flash crash are: "fat-finger" or human error, the impact of high frequency traders, large directional bets, changes in market structure, and technical glitches. While the event itself is very interesting, it is equally interesting to look at how the market is evolving, and the growing prevalence and influence of algorithmic/high frequency/quantitative/automated computer driven trading. This Dutch documentary (it is in Dutch, but the majority of speaking is in English) by Tegenlicht provides an excellent and in-depth look at the flash crash. See also: Quants - The Alchemists Of Wall Street
..Buy the DVD on Amazon
Finance Documentaries: http://www.financedocumentaries.com/2012/09/the-flash-crash.html
Very interesting (aside from the Dutch language and the old geezer reflecting on life etc)... looks like it could possibly happen again one day...
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