Trades continuously occur as orders match. Orders can be entered, modified, and deleted. All orders entered during the afternoon auction must have a limit price. No trades occur until auction matching which is usually at any time between 2 and 15 minutes after the start of the auction dependent on the liquidity of the stock. It can take up to 15 minutes for every paper to open.
Trades continuously occur as orders match.
Orders can be entered, modified, and deleted for the closing prints. All orders entered during the closing auction must have a limit price. No trades occur until auction matching which is usually at any time between 2 and 15 minutes after the start of the auction dependent on the liquidity of the stock. No Action is possible by members. For an 'A' list stock, the Round Lot Size is half the base amount.