Refer to the input text as context and select the correct relationship between 'Altice' and 'Amsterdam' from the available options.
Options: location of formation, position held, platform, headquarters location

Euronext had just one new large capitalisation listing in the month of August 2015 (as opposed to seven in July 2015), Altice on Euronext Amsterdam with a market capitalisation at listing of €21.9 billion.
headquarters location