(New York Stock Exchange) Admitted to quotation in the unlisted department, that is, admitted to be dealt in on the floor, but not to the "regular list."
(b)
Not listed in the telephone directory; of telephone numbers; as, an unlisted number.
... I goes around to a little joint I knows of, where they has a board for unlisted stocks, and I sets back and watches the curves Blitzen was makin'. First she'd jump four or five points, and then she'd settle back heavy. The Curb was playin' tag with it; that was all, so far as I could see. Nice lot of Hungry Jakes to ... — Torchy • Sewell Ford