Question aboit IB commission

Hi,
I am planning to join IB but first I like to ask some questions about their commission from someone who has used it for a long time. Currently I have Ameritrade but they have a bug in calculating their maintenance requirement for uncovered put and they don't want to fix it.
Now my questions:
1- Will IB charge me $10 per month if my commission is less than $30/ month? what if I spend $27/month?
2- Will I get streaming Level 1 quote for free or I have to pay for it?
3- Are there any hidden charges that they catch you on them?

Thanks
Ed
 
1- Will IB charge me $10 per month if my commission is less than $30/ month? what if I spend $27/month?

http://www.interactivebrokers.com/index.html
(USD 10.00 market data fee if less than USD 30.00 in commissions per month)
$27 is less than $30 so the answer is Yes,
you will have to pay $10.

2- Will I get streaming Level 1 quote for free or I have to pay for it?

Quote fees from Question 1 includes Streaming Quotes.
You put the stock symbol into your Workstation and it keeps
updating.

3- Are there any hidden charges that they catch you on them?

No.
 
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