Arbing in MLB

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  • ClimbSomeRocks
    SBR MVP
    • 11-04-09
    • 1081

    #1
    Arbing in MLB
    I'm looking at opportunities where both the -1RL for the favorite and the dog ML pay +money. For example, tonight the Cleveland Indians were +115 on the ML and the LA Angels were +108 on the -1RL. Is this enough +Money to arb? I think it's called a polish middle? where we win money as long as the Angles do not win by exactly 1 run. If they do, we push the -1RL bet and still lose the dog ML bet. In every other occurence, money is made. How big do the +number have to be to make it a +EV bet? I think it would be best to figure out how often a home favorite wins by exactly 1 run
  • MonkeyF0cker
    SBR Posting Legend
    • 06-12-07
    • 12144

    #2
    Originally posted by ClimbSomeRocks
    I think it would be best to figure out how often a home favorite wins by exactly 1 run
    You're getting closer.
    Comment
    • That Foreign Guy
      SBR Sharp
      • 07-18-10
      • 432

      #3
      Yes, it is exactly a Polish middle (maybe yours is a Polish side because it only ever loses half the bet). I would analyse it as a NO bet on the prop "will the favourite win by exactly 1 run?" for the amount you lose when that happens to win the amount you win if you Dutch the dog ML and Fav-1.

      From there, if you know how often the favourite wins by exactly 1 run you know if it's a good bet.

      For extra credit look at push rate by total.
      Comment
      • SparJMU
        SBR MVP
        • 02-18-10
        • 1648

        #4
        Inspired by this thread, I dove into my trusty MLB database to check out push rates, and potential arbing opportunities. I only looked at -1.5 Run Lines, but unfortunately I found nothing even close to +EV.

        Maybe I need to search more books in order to find better lines, or maybe I need to try -1 run lines instead. Does anyone know if there is +EV out there, or if I am wasting my time?
        Comment
        • SparJMU
          SBR MVP
          • 02-18-10
          • 1648

          #5
          Nevermind. I spent about an hour running calculations in excel, and I found 1 on today's card. Unfortunately, now that I have zero access to matchbook, and there is basically no liquidity on BetMaker, arbitraging baseball is basically not an option.
          Comment
          • ClimbSomeRocks
            SBR MVP
            • 11-04-09
            • 1081

            #6
            -1 RL's are computed for the bettor on 5dimes. and they are usually the same or very close to what the payout would be for using the -1.5RL and ML conversion.

            How do I find out how often the favorite wins by exactly 1 run?
            Comment
            • Pancho sanza
              SBR Sharp
              • 10-18-07
              • 386

              #7
              Originally posted by ClimbSomeRocks
              -1 RL's are computed for the bettor on 5dimes. and they are usually the same or very close to what the payout would be for using the -1.5RL and ML conversion.

              How do I find out how often the favorite wins by exactly 1 run?
              You can use pinnacle's run lines/alt run lines to get an idea.

              Calculate the > 1 probability (using the runline) and subtract the result from the overall win probability using the moneyline.
              Comment
              • stefan084
                SBR MVP
                • 07-21-09
                • 1490

                #8
                the home fav wins by exactly 1 run appr. 18%----the road fav wins by exactly 1 run appr. 11% of the time as per "the logical approach"--you can find it if you type in "baseball favs winning by exactly 1 run" on whatever search engine you use. I use dogpile
                Comment
                • PanamaBrad
                  SBR Wise Guy
                  • 03-22-11
                  • 717

                  #9
                  This thread was of interest to me. That avatar is strangely disconcerting.
                  Comment
                  • Sawyer
                    SBR Hall of Famer
                    • 06-01-09
                    • 7720

                    #10
                    You can find arbitrage opportunities if you shop for the best lines. For example, just 2 days ago Toronto was +107 in Book-A and Seattle was -102 in Book-B. It's a surebet and you're guaranteed to make profit..but of course, it's not much, only %1.2. You win $1.2 for every 100$ you wager. So if your total wager (both sides) is 600, your profit will be only 7.2$.

                    Personally, I ignore any surebet opportunities if it's below %2. Anything in %2-3 (or more) can be worth of it, if limits are not small. Betjamaica won't allow you to wager more then 300$ on overnight lines.
                    Comment
                    • Zuon
                      SBR Hustler
                      • 03-06-11
                      • 93

                      #11
                      Originally posted by Sawyer
                      You can find arbitrage opportunities if you shop for the best lines. For example, just 2 days ago Toronto was +107 in Book-A and Seattle was -102 in Book-B. It's a surebet and you're guaranteed to make profit..but of course, it's not much, only %1.2. You win $1.2 for every 100$ you wager. So if your total wager (both sides) is 600, your profit will be only 7.2$.

                      Personally, I ignore any surebet opportunities if it's below %2. Anything in %2-3 (or more) can be worth of it, if limits are not small. Betjamaica won't allow you to wager more then 300$ on overnight lines.
                      Someone have considerered to search surebet opportunities on Rebate Wager using the 40% rebate bonus?
                      Comment
                      • RickySteve
                        Restricted User
                        • 01-31-06
                        • 3415

                        #12
                        This question never gets old.
                        Comment
                        • Zuon
                          SBR Hustler
                          • 03-06-11
                          • 93

                          #13
                          Originally posted by Zuon
                          Someone have considerered to search surebet opportunities on Rebate Wager using the 40% rebate bonus?
                          I re-send this question.
                          I'm interested in it.
                          Comment
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