Yes, it's just a data feed, you have to keep two connections: brokerage and 
data feed. It adds another point of failure to the system, but you also 
have a much better data feed and it is less expensive if you trade several 
futures at the same time.

On Friday, July 12, 2013 12:30:12 PM UTC+2, Mick O'Donnell wrote:
>
> No problem,
>
> IQFeed is just a data feed right? I don't know anything about it. The nice 
> thing about data mining from IB is that you can trade / forward test and 
> collect your data on the same brokerage server farm connection. So if you 
> used IQFeed for your data mining, you'd still need a 2nd connection in your 
> system to the brokerage right?
>
>
>
> On Friday, July 12, 2013 11:59:36 AM UTC+2, Miguel wrote:
>>
>> I run several instances of JBT without problems. I just run them with 
>> different home directories and setup folders. Running several instances of 
>> IB Gateway from the same ip should also be possible but I haven't tried. 
>>
>> I find your setup interesting if you are trading Eurex and CME futures 
>> since you could setup two virtual private servers, one in europe and the 
>> other near chicago with two users each one paying its exchange fees and 
>> both trading for the same account. As the number of traded futures grows, 
>> IQFeed is a more attractive option in terms of price and infrastructure.
>>
>> Thanks for your explanation.
>>
>> On Friday, July 12, 2013 11:23:22 AM UTC+2, Mick O'Donnell wrote:
>>>
>>> Yes, that's how I've done it. Make sure you run each instance on a 
>>> separate machines (virtual or physical) too. JBT doesn't like other 
>>> instances running along side (there's a separate thread somewhere about 
>>> this). I'm still working on the code to actually capture the data 
>>> correctly. I know Eugene and Marcus have created the base strategies for ES 
>>> and CL to make sure we're mining the correct contracts on any given day, 
>>> but I'm not sure about the other symbols. The base strategies are there for 
>>> other symbols, but I'm not sure if they always get the right (most fluid) 
>>> contract. Maybe someone can shed some light on this question?
>>>
>>>
>>>
>>> On Friday, July 12, 2013 11:12:52 AM UTC+2, Miguel wrote:
>>>>
>>>> So you are running 4 parallel instances of TWS (or IB Gateway) + 
>>>> JBookTrader, each one logged in as a different user, in order to capture 
>>>> 12 
>>>> symbols?
>>>>
>>>> On Friday, July 12, 2013 11:10:01 AM UTC+2, Mick O'Donnell wrote:
>>>>>
>>>>> No, the data subscription is solely for that user (as far as I am 
>>>>> aware - someone please correct me if I am wrong), not the whole account. 
>>>>> So 
>>>>> if user A is data mining symbols 1, 2 & 3, that user won't be able to see 
>>>>> data on symbol 4, even if user B (on the same account) is subscribed. 
>>>>> You'll still have the market data subscription fee for per user per month.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Friday, July 12, 2013 11:04:41 AM UTC+2, Miguel wrote:
>>>>>>
>>>>>> So when you connect to TWS or IB Gateway with one user, you can use 
>>>>>> all the level 2 feeds assigned to all the users currently added to your 
>>>>>> account? And then I understand that you have to pay the exchange fees 
>>>>>> multiplied by the number of users added to your account.
>>>>>>
>>>>>> On Friday, July 12, 2013 9:03:14 AM UTC+2, Mick O'Donnell wrote:
>>>>>>>
>>>>>>> Hi Miguel,
>>>>>>>
>>>>>>> I'm not sure what Allen meant about endpoints either, but I found 
>>>>>>> the easier way to add more symbols is just to add more users to your 
>>>>>>> account. IB limits the deep book symbols to 3 per user, not per 
>>>>>>> account. I 
>>>>>>> think I'm mining about 12 symbols at the moment (4 users on one 
>>>>>>> account) 
>>>>>>> and I have a fifth user for logging in on mobile to monitor the 
>>>>>>> account. 
>>>>>>> You will just have to pay the IB market subscription fee for each user 
>>>>>>> on 
>>>>>>> your account that is mining data. Is not that expensive though (I think 
>>>>>>> it's about $25 a month per user?).
>>>>>>>
>>>>>>> I hope that helps?
>>>>>>>
>>>>>>> regards,
>>>>>>>
>>>>>>> Mick
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Friday, July 12, 2013 8:37:07 AM UTC+2, Miguel wrote:
>>>>>>>>
>>>>>>>> Yes I do understand that it is no a limitation of jbooktrader but a 
>>>>>>>> problem of the cost structure of IB. Allen was talking about a 
>>>>>>>> different 
>>>>>>>> cost structure and "endpoints", a term I still don't know what it 
>>>>>>>> means.
>>>>>>>
>>>>>>>

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