Marketplace State

StateOrders acceptedExecutionsNotes
ClosedNoNoMarketplace is closed.
Pre-OpenLimit Orders onlyNoMarket data and order book feeds are live. Crossing Limit Orders are allowed (no execution risk); Market Orders are rejected. Allows systems and algos to warm up and uncross the book before trading begins.
OpenYesYesNormal trading. Orders are matched and executed.
HaltedNoNoOpenYield has suspended trading. All resting orders are canceled and removed from the book. Expected to be temporary.