[LatteLazy]

You're not wrong that Order Type choices are complex and venues need to be careful what they allow. But at the same time, if you're a trader, you really should know all the order types a venue supports and what they let traders do. There are not that many of them. I did trade support from the IT side for a few years and I knew all the orders and which venues would accept which types and that was in European equities...

[jgalt212]

I've been on both sides (front office and IT). And it surprised me how much market structure knowledge some side had (and not always the front office) and other was clueless about.