Doug Hayman Posted May 4, 2021 Report Share Posted May 4, 2021 Hi guys, CME just started a mini-BTC (BRR) contract yesterday. For IB, the May contract symbol on MT is @BRRK21. When I enter a Short Limit trade via TWS on this contract, all is well. However, on the DOM, when I try to enter a Short Limit for 1 contract, I get the IB error message on MT of: "ERROR: IB SERVER RESPONSE: The contract description specified for BRR is ambiguous; you must specify the currency Short 1 @BRRK21 at Limit of 54,540 Day_Ext" Any idea why I'm getting this "currency" error, and how to rectify? Thanks in advance. Quote Link to comment Share on other sites More sharing options...
Jerry Medved Posted May 4, 2021 Report Share Posted May 4, 2021 IB's symbology is convoluted - will check Quote Link to comment Share on other sites More sharing options...
Jerry Medved Posted May 4, 2021 Report Share Posted May 4, 2021 they have 2 different contracts for that. One with multiplier of 5 and one with multiplier of 0.1 You have to indicate which you want: @BRRM21:*0.1 @BRRM21:*5 Quote Link to comment Share on other sites More sharing options...
Doug Hayman Posted May 4, 2021 Author Report Share Posted May 4, 2021 Right, there's a multiplier, which I set on TWS, and not MT. I want the mini (hence 0.1). However, that nomenclature still gives me that Currency error msg above. I tried "@BRRK21:*0.1" and "@BRRK21:*.1" and still get same error. Thanks. Quote Link to comment Share on other sites More sharing options...
Doug Hayman Posted May 4, 2021 Author Report Share Posted May 4, 2021 OK, got it resolved, looking at your symbol HELP. Need to include the currency in the symbol definition. In my case: @BRRK21.USD:*0.1 Thanks for pointing me in the right direction. Quote Link to comment Share on other sites More sharing options...
Jerry Medved Posted May 4, 2021 Report Share Posted May 4, 2021 in this case, don't really need the currency. can just do @BRRK21:*0.1 Quote Link to comment Share on other sites More sharing options...
Doug Hayman Posted May 4, 2021 Author Report Share Posted May 4, 2021 Jerry, see above. I tried it w/o the currency specified, and I got the original error msg above. Maybe it’s required in this case, since it can be denominated in a CCY other than USD. Quote Link to comment Share on other sites More sharing options...
Jerry Medved Posted May 4, 2021 Report Share Posted May 4, 2021 might be tied to some changes I just did Quote Link to comment Share on other sites More sharing options...
Jerry Medved Posted May 4, 2021 Report Share Posted May 4, 2021 emailed you Quote Link to comment Share on other sites More sharing options...
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