Opi Nail Polish Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

OPI is the best-performing opi nail polish brand in July 2026, moving 39,000 units across 6 ASINs for 42.9% of Top 10 volume. beetles Gel Polish follows with 30,000 units (33.0%), ahead of Sally Hansen on 10,000 units (11.0%).

With 5 brands splitting the Top 10 and 86.8% 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 $3.96 to $13.02, 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, 2 ASINs forced its way in: B0BXFM8CWF booked 5K units at $19.99, with ▼ 16.7% MoM change. On the growth side, B07D5NLD4V leads positive momentum with ▲ 233.3% MoM growth on 2K 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already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date.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.