Feb 13, 11:31pm: I made this resolve at the wrong time, I will resolve it as N/A unless they add the ability to edit resolve time before then. Close date updated to 2022-12-31 11:59 pm Apr 17, 12:58am: Private instances don't count, only the main Manifold site.
ETA: "Private" means it can't be viewed by anyone on the Internet with the URL. Delisting from search results etc. doesn't count.
@horse I don't know for sure. But hiding Fantasy Football from the home page was one of the main motivations for unlisted markets.
Also, this Above the Fold says they can be found through search (or at least they could be when it was published):
https://news.manifold.markets/p/above-the-fold-anyone-want-a-loan
> Unlisted markets will not be listed on the home feed, but can still be found through search, profile pages, or groups.