Comments on: wow, discontinuity https://blog.yhuang.org/?p=266 here. Tue, 14 Oct 2025 11:10:14 +0000 hourly 1 http://wordpress.org/?v=3.1.1 By: Some stuff » a list of problems for finance https://blog.yhuang.org/?p=266&cpage=1#comment-113102 Some stuff » a list of problems for finance Sun, 12 Feb 2012 18:25:21 +0000 http://scripts.mit.edu/~zong/wpress/?p=266#comment-113102 [...] As alluded to here and here, could damping of price and flow mechanisms in markets create more stability? And at what [...] [...] As alluded to here and here, could damping of price and flow mechanisms in markets create more stability? And at what [...]

]]> By: me https://blog.yhuang.org/?p=266&cpage=1#comment-90607 me Fri, 09 Jul 2010 17:00:02 +0000 http://scripts.mit.edu/~zong/wpress/?p=266#comment-90607 http://finance.yahoo.com/news/SEC-pushes-tighter-rb-2352422438.html?x=0&sec=topStories&pos=main&asset=&ccode= "Aiming to avoid a repeat of the stock market's 'flash crash' on May 6, the U.S. Securities and Exchange Commission and big exchanges are eyeing minimum obligations for market-making firms that would force them to submit quotes that are less than 10 percent away from a stock's current price, four sources said." Finally, but still flawed. The bands must expand with time since last trade, or there would be deadlocks on stale prices. http://finance.yahoo.com/news/SEC-pushes-tighter-rb-2352422438.html?x=0&sec=topStories&pos=main&asset=&ccode=

“Aiming to avoid a repeat of the stock market’s ‘flash crash’ on May 6, the U.S. Securities and Exchange Commission and big exchanges are eyeing minimum obligations for market-making firms that would force them to submit quotes that are less than 10 percent away from a stock’s current price, four sources said.”

Finally, but still flawed. The bands must expand with time since last trade, or there would be deadlocks on stale prices.

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