# Recent content by bob

12. ### Clamping Down on Rapid Trades in Stock Market

From the standpoint of someone who wants to transact in the market, does it really matter whether it was one, two, or eighty seven algos that produced that cycling behavior? As for the second point, here's a link to paper by the SF Fed giving a demographic analysis that projects stock prices...
13. ### Clamping Down on Rapid Trades in Stock Market

I agree that speed per se is not the problem, as long as what's actually taking place is trading. In cases like the "pretty picture" pasted in above, though, those oscillations in the NBBO are not arising from trading. As near as I can tell, it's an effort to create adverse selection in the...
14. ### Clamping Down on Rapid Trades in Stock Market

I'll let two guys with ten years experience at Instinet and a brokerage firm of their own make the argument better than I could: A good interview that gives some background: http://www.themistrading.com/article_files/0000/0576/61110_Welling_Weeden_PlayingFair.pdf A recent letter tracking...
15. ### Clamping Down on Rapid Trades in Stock Market

It just needs a good UI--something that involves a joystick and lots of movement / explosions. Do it right, and pre-adolescents will be making (losing) millions on HFT strategies from their XBoxes.