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Fixed ratio math



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Hello OmegaList,

  I have been trying to use a spreadsheet to calculate Fixed Ratio,
  and I am stuck on the calc for position size. Had the calc below
  noted down from somewhere, but doesn't give the correct result.

  NewSize = SQRT(2*PrevProfit/delta + 1/4 + (StartSize^2 - 1))

  Appreciate help from any math wiz's out there. TIA!

-- 
Best regards,
 Ross                mail to: ross.bond@xxxxxxxxxxxxx