Math guys - most efficient way to change unit wager amount?

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  • poochiecollins
    SBR MVP
    • 01-27-09
    • 1782

    #1
    Math guys - most efficient way to change unit wager amount?
    My turn at 'math guys' topic. Assuming your personal wagering system is based on your bankroll, is there a way to find how often you should increase or decrease your bet size corresponding to your confidence on a given wager? Hope question was clear enough, thanks.
  • Dunder
    Restricted User
    • 10-26-09
    • 3345

    #2
    Depends what you mean by confidence!

    Do you have a calculated EV or just a strong gut feeling? If the former, then dig out Ganchrow´s Think Tank threads on Kelly.
    If it just a strong gut feeling, I would suggest play level stakes until you can prove to yourself statistically that these plays are worthy of increased confidence, before applying the same principles as Kelly.
    Comment
    • poochiecollins
      SBR MVP
      • 01-27-09
      • 1782

      #3
      Have a problem with that. To make things simpler, I assumed 60% expected winning percentage, no juice, and 5% of bankroll per wager, or one unit out of twenty total. With ten outcomes, 6 wins and 4 losses, if I adjusted the bankroll to 5% each time, I ended with 20.73 units. If I bet 5% of the original bankroll and stuck with that, I'd have 22 units (20-4+6). Does the KC cover this dilemma?
      Comment
      • GELATINOUS CUBE
        SBR MVP
        • 08-09-09
        • 4534

        #4
        You'll know when to increase your bet size. You should feel comfortable as your bankroll grows or shrinks. Of course, betting more than your comfy with is an option.

        But how is 5% the standard? Have some sack, well maybe with a huge bankroll 5% makes sense. I guess with a huge bankroll, it's more about betting enough, to make it worth your time.

        So whats the math question again?
        blog '09-'10: 37-16: +$31,900
        mlb 2010; 16-12: +$4,540
        gellyhoops 2010: 10-6 +$3,150
        overall: 63-34 +$40,290
        Comment
        • MonkeyF0cker
          SBR Posting Legend
          • 06-12-07
          • 12144

          #5
          Originally posted by poochiecollins
          Does the KC cover this dilemma?
          Yes.
          Comment
          • GELATINOUS CUBE
            SBR MVP
            • 08-09-09
            • 4534

            #6
            Monkeyfukk enlighten us with your unit size explanation.. Haha.

            Oh wait your avatar handles that.
            blog '09-'10: 37-16: +$31,900
            mlb 2010; 16-12: +$4,540
            gellyhoops 2010: 10-6 +$3,150
            overall: 63-34 +$40,290
            Comment
            • poochiecollins
              SBR MVP
              • 01-27-09
              • 1782

              #7
              Originally posted by MonkeyF0cker
              Originally Posted by poochiecollins
              Does the KC cover this dilemma?
              Yes.
              How? Is KC not based on repeatedly changing your wager amounts based on your bankroll?
              Comment
              • poochiecollins
                SBR MVP
                • 01-27-09
                • 1782

                #8
                Originally posted by GELATINOUS CUBE
                how is 5% the standard? Have some sack, well maybe with a huge bankroll 5% makes sense. I guess with a huge bankroll, it's more about betting enough, to make it worth your time.
                I don't gamble yet, though probably sometime soon. I plan to start with at least a few thousand and bet at least $500/wager. It will likely be more around 5% when I get a large bankroll, say six figures. I'd base it on how easily I can deposit more money, not just what's in the account at the time.

                So whats the math question again?
                What is the most efficient way to adjust wager amounts relative to bankroll size.
                Comment
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