Duke Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

DUKE'S is the best-performing duke brand in July 2026, moving 32,000 units across 6 ASINs for 71.1% of Top 10 volume. Duke Cannon Supply Co. follows with 13,000 units (28.9%).

With 2 brands splitting the Top 10 and 100.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $8.74 to $8.97, which frames the price band a competing listing has to justify.

Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B01GGVP1R8 booked 2K units at $15.10, with ▲ 0.0% MoM change. On the growth side, B01J4IUWVA leads positive momentum with ▲ 20.0% MoM growth on 6K units, with B0CBCL9J62 close behind at ▲ 20.0% MoM on 600 units.

The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.