IntercontinentalExchange, the owner of the New York Stock Exchange, spun off its Euronext exchange unit last night, in the largest flotation of a securities and commodity exchange since the financial crisis.

The offering valued Euronext, which owns exchanges in Paris, Amsterdam and Brussels, at €1.4 billion. Shares were priced at €20 apiece, towards the lower end of its expected range of €19 to €25 per share, according to statement from IntercontinentalExchange.