O by ZONE has sold 0 copies on streaming services.
O certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of |
| Total sales | 0 | Album-equivalent unit |
Total
Sales: 0
Album-equivalent unit
|
Year-end chart performance for O
| Chart 2003 | Rank | Sales |
 Japanese Albums (Oricon) |
97 | 167,184 |