Need some help with this math

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  • crinkledaces
    SBR Wise Guy
    • 08-06-09
    • 632

    #1
    Need some help with this math
    OK based on these percentages from prior games I was wondering if my math is correct for finding the plus ev threshold on run line bets.





    Percentage of games which producethe following Result . . . . . HOME FAVORITES ROAD FAVORITES----------------------------------- -------------- --------------Win by 2 Runs or More 39.1 % 43.6 %Win by Exactly 1 Run 18.4 % 11.6 %Lose by Exactly 1 Run 11.0 % 16.4 %Lose by 2 Runs or More 31.5 % 28.5 %
    In my calculations

    Home favs on the run line need to be priced at +156 or better for plus ev
    road favs on the run line need to be priced at +130 or better for plus ev
    road reverse run line dogs need to be priced at +219 or better for plus ev
    home reverse run line dogs need to be priced at +251 or better for plus ev

    Please let me know if i'm missing something here thanks in advance
  • crinkledaces
    SBR Wise Guy
    • 08-06-09
    • 632

    #2
    sorry for the off centered stats tried to copy and paste... Epic Fail


    Percentage of games which produce
    the following Result . . . . . HOME FAVORITES ROAD FAVORITES
    ----------------------------------- -------------- --------------
    Win by 2 Runs or More 39.1 % 43.6 %


    Win by Exactly 1 Run 18.4 % 11.6 %


    Lose by Exactly 1 Run 11.0 % 16.4 %


    Lose by 2 Runs or More 31.5 % 28.5 %
    Comment
    • u21c3f6
      SBR Wise Guy
      • 01-17-09
      • 790

      #3
      While your math may be correct, your analysis is faulty. You cannot use average odds in this fashion.

      Joe.
      Comment
      • crinkledaces
        SBR Wise Guy
        • 08-06-09
        • 632

        #4
        Im just trying to figure out when im starting to pay juice in a sense on the dog. i know im not gonna break even betting every 156 or bettting home fav on the runline. But im looking for a starting point
        Comment
        • statnerds
          SBR MVP
          • 09-23-09
          • 4047

          #5
          Joe's point, i think, is you can't use the totality of the data. you need some sort of defining criteria to separate and analyze. i don't care what it is, faves of 101 to 120. faves of 121 to 140. the prices are going to be different because the results are going to be different. so pull all of those together and see if there is a distinction in results according to ML. or just save yourself tons of time and assume the Market has already consider this data and every price is damn near correct.

          once you have cleared that hurdle of acceptance, you can go out there and find a calculator that already converts all ML into corresponding RL.

          prob wasn't wanted you wanted to hear, but it is the truth and should save you some time.
          Comment
          • crinkledaces
            SBR Wise Guy
            • 08-06-09
            • 632

            #6
            No no thanks u for the info. Im just trying to learn a few different angles at the moment.
            Comment
            • inrenokid
              SBR High Roller
              • 10-29-13
              • 135

              #7
              No the +156 is breakeven not +ev, with those figures. To have positive expectation the line has to pay more then the real prob.
              Comment
              • Jason Jones
                SBR Rookie
                • 04-18-14
                • 28

                #8
                Originally posted by inrenokid
                No the +156 is breakeven not +ev, with those figures. To have positive expectation the line has to pay more then the real prob.
                Exactly
                Comment
                • lamichaeljames
                  SBR Rookie
                  • 06-02-14
                  • 40

                  #9
                  Originally posted by Jason Jones
                  Exactly
                  yes sirrieeeee
                  Comment
                  • BetBase6
                    SBR Rookie
                    • 07-23-14
                    • 4

                    #10
                    Originally posted by inrenokid
                    No the +156 is breakeven not +ev, with those figures. To have positive expectation the line has to pay more then the real prob.
                    Problem solver.
                    Comment
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