The TSX Venture Exchange is a stock exchange in Canada. It is headquartered in Calgary, Alberta, with offices in Toronto, Vancouver, and Montreal. All trading through the Exchange is done electronically, so the Exchange does not have a "trading floor". It was previously known as the Canadian Venture Exchange (CDNX), but in 2001 the TSX Group (now known as the TMX Group) purchased it and renamed it. As of November 2010, the TSX Venture Exchange had 2,364 listed companies with a combined market capitalization of $60,811,203,235.