Fracturing Orb as a Required Item doesn't show anything on trade

I see fracturing orb as a required item on inscribed ultimatums in shops but I can't search for it in trade like I do a divine orb.


Even though the inscribed ultimatum exists in peoples shops
Trade link https://www.pathofexile.com/trade/search/Mirage/OgLZnk5lSE
Example trade search