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Bet Placement Changes to Prevent Minimum Bet Abuse - Release 15th October 2018

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    Bet Placement Changes to Prevent Minimum Bet Abuse - Release 15th October 2018

    Following customer feedback we are planning to implement a change to the way that we handle the placement of bets below the allowed minimum stake.

    The changes will prevent bets being placed which deliberately take advantage of Betfair rounding off to the nearest penny or cent which is in breach of our terms & conditions.
    Any bet which fits the above description will be automatically cancelled by Betfair and the API will respond with the error BET_TAKEN_OR_LAPSED in these circumstances

    The release will take place on Monday 15th October

    Betfair Developer Program
    Last edited by forumbdpwebadmin; 05-10-2018, 01:05 PM. Reason: Added release date

    #2
    How will the matcher differentiate between genuine greening bets and minimum bet abuse? Or are we not allowed to bet (cancel) below a certain amount?

    Comment


      #3
      Hi LiamP

      Any single bet transactions that would result in '0' liability to the account placing the bet will be automatically cancelled.

      Let me know if you have any further questions.

      Thanks

      Neil

      Comment


        #4
        Hi Neil,

        I'm not sure I understand the entire arrangement.

        Originally posted by BetfairDeveloperProgram View Post
        Any single bet transactions that would result in '0' liability to the account placing the bet will be automatically cancelled.
        So for example a user lays 20 GBP at 1.5 (with a 10 GBP liability) and then later backs 10 GBP at 3.0 (a classic green-up). The second bet will end up in a zero liability for the user, as the two bets create a guaranteed profit. How will this work in terms of the new rules?

        Also, how exactly will the exchange process the change in the amount of an unmatched stake starting from the 1st of October?

        Comment


          #5
          Hi WellDoneSoft,

          This change relates to the liability on a single transaction, not multiple bets. Both of these transactions would be accepted as both have a liability of greater than £0.

          An simple example would be a lay bet at a price of 1.49 for stake of £0.01. The liability of this bet is £0.0049 so this would be automatically cancelled if submitted to the Exchange.

          Thanks

          Neil

          Comment


            #6
            Hi Neil, thanks for the clarification!
            Suppose, I lay £5 at 1.5 and later change that to £5.1 at 1.5. How will this bet be treated by the exchange? Will it still be split in two parts?

            Comment


              #7
              Hi WellDoneSoft

              Yes, this would be split into two parts, a bet for £5 at 1.5 and another bet for £0.10 at 1.5.

              It wouldn't be rejected as the bet has a liability of £0.05

              Thanks

              Neil

              Comment


                #8
                Hi Neil,

                I hope you are well.

                I just wondered if the release did actually come into effect on 15th October as planned? It still seems possible to cancel part of a bet to leave a small remainder such as a lay for £0.01 at 1.01.

                Kind regards,

                Gavin

                Cymatic Ltd
                Last edited by Gavin; 13-11-2018, 09:18 PM.

                Comment


                  #9
                  Hi Gavin

                  Yes, the release did go out.

                  The behaviour will be allowed once per selection per marketId but after that any further attempts to create bets to win something but lose nothing will be rejected.

                  Thanks

                  Neil

                  Comment


                    #10
                    Thanks Neil

                    Comment

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