l asked them as well, waiting for reply, IB are not known for great cs, though they do have several great cs staff
True, but you need to ask the trading desk about execution ... That is something they usually pretty good at answering ... Call them, don't open tickets.
According to your pic, seems like your fill was on 5/02 but you're showing market for 5/03!!! And the open price on 5/02 was at 188.87.
l see that l was looking at the wrong date, working 12 hours ahead of EST does that to you, l am trading from Hongkong. as I said, IB is a dependable high integrity broker. hence introducing my brother to them, who is a 'big' customer