Anyone know why I can't place one on a NAsdaq NMS stock today (for tomorrow)? It's after 6 p.m. eastern time. I keep getting invalid trade on IB. Chat help was useless, as usual. I'll likely get a response from my e-ticket in a couple days, but that won't help with the MOO order for Friday! (Used OPG as TIF, in case you ask)
You cannot place an on open order until sometime prior to the open. I don't know the exact time, but I'm pretty sure I've placed them at 9 pm the night before.
I realize it's not quite the same, but why don't you use a GoodAfterTime order, and activate it at the open?