J-Trader holds eCBOT stop orders as synthetic orders that are sent out as market orders when triggered. My understanding is that the stops are triggered when a trade crosses at the stop price but on a couple of occasions it looked like my stops were triggered as soon as the bid (for sell stops) or offer (for buy stops) matched the stop price and before any trades were executed at that price. Has anybody else seen this or am I misunderstanding the way this is supposed to work?
