Upstairs trading is freely permitted and encouraged. The Amsterdam Stock Exchange formed an alliance with the Paris and Brussels Exchanges to create Euronext in September 2000. Opening Auction 07.00-9.00 Orders can be entered, modified, and deleted. No trades occur. Yes Continuous Trading 09.00-17.30 Orders can be entered, modified, and deleted.
Trades continuously occur as orders match.
The vast majority of companies only have one variety of stock. The Euronext 100 Index is a market capitalisation weighted index of the 100 largest and most liquid stocks traded on Euronext. It represents the blue chip segment of listed stocks at Euronext. The Euronext 100 Index is reviewed quarterly. The quarterly review process ensures the index accurately represents the underlying market at Euronext.