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Re: Trading System Design-choppiness index



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J.P. Oliver wrote:
> 
> Paul Cote wrote:
> 
>      Realtraders:
> 
>      I would like to know if anyone has a method for determining
>      or
>      evaluating the choppiness of the market in order to
>      determine a
>      choppiness index.  This will be to switch the trading system
>      from say a
>      volatility breakout to a trend following system when a
>      strong trend
>      comes underway.
> 
> Dear Paul:
> 
> Robert Barnes published a volatility index called "Directional
> Relative Volatility" in his book Trading Choppy Markets, Richard D.
> Irwin Publishers, 1997. This is the "choppiness index" I think you're
> looking for. I confess that I have been unable to utilize it myself
> because I cannot yet quite grasp the practical application (makes me
> feel a bit dense, but I'm still working on it). 
snipped

Isn't this just another attempt to find a holy grail indicator ?

Say your indicator says the market is now "choppy". Is it also going to
tell you what is going to happen next ? Will the market start to trend
tomorrow? next 4 trading days ? If not it is not really of any practical
use. By this I mean it does not "add" anything that you did not already
know with respect to what "might" happen next.

It may be a 3-5 day ABC correction or ABCDE or an x day sideways market.
One just does not know. 

Any other thoughts ?