Marketplace State

State Orders accepted Executions Notes
Closed No No Marketplace is closed.
Pre-Open Limit Orders only No Market 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.
Open Yes Yes Normal trading. Orders are matched and executed.
Halted No No OpenYield has suspended trading. All resting orders are canceled and removed from the book. Expected to be temporary.