De or het nikkei-index?

The correct Dutch article is:

de nikkei-index

Meaning (Dutch) beursindex van Tokio

How to use nikkei-index

the nikkei-indexde nikkei-index
this nikkei-indexdeze nikkei-index
that nikkei-indexdie nikkei-index
our nikkei-indexonze nikkei-index
your nikkei-indexjouw nikkei-index
every nikkei-indexelke nikkei-index
which nikkei-index?welke nikkei-index?
a big nikkei-index / the big nikkei-indexeen grote nikkei-index, de grote nikkei-index

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).