Netherlands 25 is just a number that lets you track performance of the instruments comprising the index, so you can't invest in it directly. But you can buy Netherlands 25 futures or funds or invest in its components.
The lowest ever quote of Netherlands 25 is 262.79 EUR. It was reached on Sep 22, 2011.
Netherlands 25 reached its highest quote on Nov 18, 2021 — 829.41 EUR.