Currently the husband of a Queen of the Netherlands is called prince-consort ('prins-gemaal' in dutch).

A king on the other hand gets a Queen. That feels like a tradition that's outdated, and the next consort will be called King. Resolves YES if the title is King, resolves NO if the title is not king. Also NO if the next queen has a woman as consort.

The current ruler is 56, this market will resolve when he is succeeded. He currently has 3 daughters as heirs, the next monarch is likely to be a woman.

As this market has objective resolution criteria, I may trade in it.