Ultra Ball

The market for Ultra Ball is spread wide: the cheapest UK ask sits at £3.83, which is 41% under the median of £6.52, so there's real room between the low end and the middle ground at £5.83. At £3.88, you're pricing just above the floor and well positioned against most of the 92 sellers out there, though you'll want to watch whether stock clears at this level or whether buyers push toward the cheaper listings.

• NotableUK asks run from £3.83 to a £6.52 median; the cheapest is 41% under the middle.