Quote from Pippi436:
I have noticed this a few times now. What could be the reasons people would be doing this? Well, apart from the EA theory
Surely, during the uk/us session they would get better executions due to less market impact?
Why do institutions sell 200 VIX futures at the market with regularity? Losing $200k for the privilege?

). Usually I will get delayed to be filled, but this time it was instant, I should of knew something was up from the start.