The current value of NYSE Composite Index is 17763.27 USD — it has risen by 0.18% in the past 24 hours.
NYSE Composite Index value has increased by 2.16% in the past week, since last month it has shown a 1.64% decrease, and over the year it's increased by 16.64%.
NYSE Composite Index 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 NYSE Composite Index futures or funds or invest in its components.