De or het winstexplosie?

The correct Dutch article is:

de winstexplosie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use winstexplosie

the winstexplosiede winstexplosie
this winstexplosiedeze winstexplosie
that winstexplosiedie winstexplosie
our winstexplosieonze winstexplosie
your winstexplosiejouw winstexplosie
every winstexplosieelke winstexplosie
which winstexplosie?welke winstexplosie?
a big winstexplosie / the big winstexplosieeen grote winstexplosie, de grote winstexplosie