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ci2012:wiki:cism [2012/04/24 00:34]
Yifan Yin
ci2012:wiki:cism [2012/04/24 00:52] (current)
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 ==== Summary ==== ==== Summary ====
 +Technology are applied everywhere in today'​s stock market including transactions,​ analysis, information,​ etc. The information about the stock market flows much faster than ever. Benefit from the technology improvement,​ the shortening of the period between a trade being initiated and complete, or the reduction of latency as it is known, is the ultimate aim of any stock exchange worth its salt.
  
 ==== Definitions ==== ==== Definitions ====
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 ==== Relevant articles ==== ==== Relevant articles ====
 +=== Technology Magnifies Errors ===
 +== Mizuho Bank - 2009 ==
 +IPO - ¥610,​000/​share ($5041/​share) of J-COM
 +Trader wanted to sell 1 share at ¥610,000
 +Instead placed order to sell 610,000 shares at ¥1 each
 +Loss to bank was 3 months profits J-COM ended up being 1/3 owned by Merrill Lynch
 +Tokyo stock exchange lost 1.72%
 +
 +== Proctor & Gamble(P&​G) – 2010 ==
 +Trader placed order typing ‘b’ instead of ‘m’ (billion vs. million) for number of shares
 +Share price dropped $61.56 → $39.37 in 20 minutes
 +NYSE dropped 600 points in 20 minutes (and recovered though still off almost 400 points for the day)
 +
 +=== Is Speed Trader Mark Gorton Killing Wall Street? ===
 +[[http://​www.huffingtonpost.com/​2012/​04/​18/​mark-gorton-high-frequency-trading_n_1429935.html]]
 +
 +The question at the heart of the current debate about high-frequency trading is whether the automation of trading -- and in Tower'​s case, the ability to maximize profits by executing trades faster than anyone else -- really does make the world better.
 +
 +=== Has Computer Trading Made the Stock Market a "​Crapshoot"?​ ===
 +[[http://​www.huffingtonpost.com/​robert-auerbach/​has-computer-trading-made_b_819664.html]]
 +
 +Retail investors should also consider Jim McTague'​s advice about short-term stock trading: "It has become a shark tank and we are the anchovies." ​
 +
 +=== Computer-trading worries grow as NYSE builds new datacenter ===
 +[[http://​arstechnica.com/​tech-policy/​news/​2009/​08/​nyse-builds-computer-trading-mothership-worries-abound.ars]]
 +
 +For every technique or technology that comes under the heading of HFT, you can dig up an example of how people did this same thing on a much smaller scale without computers. Therefore, the argument goes, the relatively recent (see below) use of computers to do two orders of magnitude more of these activities in a given timeslice is "​nothing new," despite the fact that the computers are now doing this among themselves without human intervention.
 +
 +=== A Major Problem with the Modern Day Stock Market ===
 +[[http://​prairieecothrifter.com/​2011/​08/​major-problem-modern-day-stock-market.html]]
 +
 +Investors should have learned this from the stock market crash in 2008, that there is a major flow in the modern stock markets. That flaw lies in computer algorithms and trading.
  
 ==== Discussion Questions ==== ==== Discussion Questions ====
   - Is more technology good in this realm? What are the effects?   - Is more technology good in this realm? What are the effects?
   - Does the potential for manipulation cause problems? If so, how can we fix so manipulation doesn’t occur?   - Does the potential for manipulation cause problems? If so, how can we fix so manipulation doesn’t occur?
ci2012/wiki/cism.1335242070.txt.gz · Last modified: 2012/04/24 00:34 by Yifan Yin