IB demo system accuracy

Quote from IB Salvatore:


Because there isn't massive liquidity on the stock, a customer can artificially create a wide market in the demo system by lifting the offer or hitting the bid. MM don't react or refresh their prices after an execution in the demo environment. That will leave the market wide until the recorded market data updates.

Ah, that I missed. So you are saying the demo system quotes have two sources: the old recorded data AND all the other demo users that happen to be logged in now?

thanks,
Lars
 
Quote from justrading:

I have an IB funded account. Yesterday I wanted to use the paper trading account to familiarise myself with the order entry on TWS. I was not able to get access to the live data feeds I have subscribed to, only delayed data.

Do I have to launch TWS on my real account simultaneously in order to access the live data feed?

You did set up the paper trading account in the Account Management web pages, right?
 
Quote from comintel:

You did set up the paper trading account in the Account Management web pages, right?

Yes I did, but overlooked the check box to share real time market data subscriptions. I have gone in and checked that, saved and exited but still no data access. Msg is: No Market Data Permissions.

Exited the paper trader, logged in to the real account and I can access data no problem, so it is just on the paper trader.
 
Quote from justrading:

Yes I did, but overlooked the check box to share real time market data subscriptions. I have gone in and checked that, saved and exited but still no data access. Msg is: No Market Data Permissions.

Exited the paper trader, logged in to the real account and I can access data no problem, so it is just on the paper trader.
if you have it in your real account you will not be charged double for adding it to the paper. I just click the subscription field in the paper account and subscribe.
 
Quote from oldtime:

if you have it in your real account you will not be charged double for adding it to the paper. I just click the subscription field in the paper account and subscribe.

Does not work unfortunately. When I try to access from TWS paper trade account, it just hangs. When I login to account management for the paper trade account, the data tab is not available, so looks like it is controlled from the parent account.

Guess I'll have to wait for IB or send a support request.

Thanks anyway.
 
might be this would help-for whatever reason IB only allow you to run paper account on same PC,where main account is(if you are logged in in main account and running TWS). if you are not logged into main account-then you can run paper from any PC.
ridiculous restriction,that doesn't makes any sense to me,cause i prefer to test my s**t on separate PC,not on same Pc where actual account is running. it's a prescription for disaster
 
Quote from Bob111:

might be this would help-for whatever reason IB only allow you to run paper account on same PC,where main account is(if you are logged in in main account and running TWS). if you are not logged into main account-then you can run paper from any PC.
ridiculous restriction,that doesn't makes any sense to me,cause i prefer to test my s**t on separate PC,not on same Pc where actual account is running. it's a prescription for disaster

It's on the same machine. The only thing I have not tried is to run paper and real at the same time. Will give that a shot later.
 
Quote from justrading:

It's on the same machine. The only thing I have not tried is to run paper and real at the same time. Will give that a shot later.
I run my paper by itself, no real, all the time, no problem
 
Quote from justrading:

Yes I did, but overlooked the check box to share real time market data subscriptions. I have gone in and checked that, saved and exited but still no data access. Msg is: No Market Data Permissions.

Exited the paper trader, logged in to the real account and I can access data no problem, so it is just on the paper trader.

It should take effect a day later now that you have checked the box.
 
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