Correct Commission Model for IB

[dylan.p...@gmail.com]

Does anyone know the correct Commission model settings for Interactive Brokers?  In the fixed pricing at IB it's USD 0.005 per share with a minimum of $1.00 per order and a max of 0.5% per order.  The question being, is that well approximated by simply having 

context.set_commission(commission.PerShare(cost=0.005))

or is there something more I should do?

Best,

Dylan

[Derek Tishler]

The line of code there could work for larger position sizes, but to capture IB behavior it might be safer to include the $1 minimum via something like:

set_commission(commission.PerShare(cost=0.005, min_trade_cost=1.00))

source:

https://www.quantopian.com/posts/realistic-commission-model-for-ib

source:

https://www.interactivebrokers.com/en/index.php?f=1590&p=stocks1

[dylan.p...@gmail.com]

Thanks!