I have two questions I'm trying to answer about my IB paper account which I'm using to trade the DAX futures. I have been trading this account for some time and am looking to transition to my real account in the near future. 1) How can I measure my latency? Interested in finding out how quick my connection is as my trade average <15 minutes hold time and have no idea how my fills are affected by my connection speeds. 2) Paper vs Real. I'm using ZLT as a front end, how real are the paper fills for IB accounts!? I'm guessing pretty close but wonder if anybody has some stats? Thanks to anybody who can help with my queries.