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.
Refer to the input text as context and select the correct relationship between 'Euronext Amsterdam' and 'Euronext' from the available options.
Options: product/material produced, creator, operator, headquarters location