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QUESTION for Mark Brown - Re: Test_OddBall System Position Change



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Mark,

I've been following your Oddball trades since you first offered to share 
these with us.  I also use Oddball in my own work.  My results seem to differ 
from what you've been reporting in your "Test_Oddball System" service to us.  
I've looked at my data and I can't explain these differences without invoking 
some "wild" differences in our data.  I presume you are using NYSE # of 
advancing issues as input.  I'd sure like a chance to look at your data for # 
of advancing issues for the time period since you started sharing with us  
your results with that fine Oddball system of yours.  I've got backtesting 
results for my 'version' of Oddball covering about 3 years and certainly 
thought I knew what I was doing.  Now I'm not so sure.  Hope to hear from you 
about this.

Regards,

Lee Scharpen