Survey of Brackets for last 250 days for 5,10,15,20 day Overlays
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 9-SEP-2010
 
 
B/T is the fraction of days that are bracketing in 250 days
 
Bracket Ranges: $ bracket ranges (Min Avg Max Dev) for bracketing days
 
Brackets: un-interrupted groups of bracketing days
          No=number of groups in 250 days
          Number of days in group: Mi,Av,Mx,Dv
 
Non-Brackets: un-interrupted groups of non-bracketing days
              Number of days in group: Mi,Av,Mx,Dv
 
Average number of days between new bracket days =  
    Average number of days in Bracket groups (Av) +
    Average number of days in Non-Bracket groups (Av)
 
------------------------------*----------------*-------------
      B/T    Bracket Ranges   *   Brackets     * Non-Brackets
           Min  Avg  Max  Dev * No Mi Av Mx Dv * Mi Av Mx Dv 
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Date of creation:  9-SEP-2010 11:01:14.03