Friday, July 15, 2011

To Rob

@RobLeeAnalyst  #Quant  Rob. well done .Though- as indeed  I am on your side on   the eventual aim of stats arb. ( and no way to do it without pure math model)  I have some disclaimers.  
  • Just HFT can bypass some  main pitfalls ;
  •  whilst rare events on tails (+-  factor 3 of Sqrt of sigmasq aka STD DEV) are  NOT securely risk manageable in a long time series  of data. Res Ipsa loquitor, since 2007 on.
  • A constant return to a "mean reverting approach"...should be avoidedIMHO... which can be  modelized and systemically implemented but  again how secure?
  • However I know little on your model so mine are just free flowing words posted here since there's some problems on  Deckly . 
  • TY anyhow!!! 
  • BTW, your work is beautiful namely when you couple it with market structures (in which your DOw theory fits...in a non suspicious  way for the "masses" .matter of factly,   Benoit 's Fractal approach is  -yet- not  widely accepted . is it for is  "too close" to a non concludent R N Elliot approach? In my humble opinion markets will NEVER accept the non linearity and the scalable fractal shape of markets.  NEVER. And for this we may thanks God probably) 
This is far away to be a critic but just a quick reflection.

Best to you.

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