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phillc73 / abettor

An R package for connecting to the online betting exchange Betfair, via their API-NG product, using JSON-RPC.
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Lay Starting Price Error #22

Closed Timmyy22 closed 3 years ago

Timmyy22 commented 4 years ago

Laying on a horse with starting price like this

placeOrders( marketId = market_id, selectionId = runners[1,]$selectionId, betSide = "LAY", betSize = "2", betType = "MARKET_ON_CLOSE" )

throws the error "INVALID_BET_SIZE". Backing the horse runs normally. I read that another person in 2017 had the same problem, but I already updated the newest version...

phillc73 commented 4 years ago

Apologies it's taken me a while to reply. Unfortunately, the reply is to say that I don't have an answer for you. I haven't had a chance to look at this library for a while, nor this specific bug. I will try to do so in the coming weeks.

Soccerama commented 3 years ago

While researching something else today I found this in the rules & regulations: "The minimum liability for a bet placed at Betfair SP is £10 for a lay bet and £2 for a back bet (or the currency equivalent in each case)." It was in section "9. Rules for Betfair Starting Price". So, abettor was behaving correctly in rejecting this bet as it was below the minimum BSP liability size. Based on this information, both this issue and issue #18 can be closed.

phillc73 commented 3 years ago

As far as I can see the function works as intended within the limits of Betfair rules. Thanks @Soccerama for investigating.