MAESTRO by OUTSIDER (아웃사이더) has sold 0 copies on streaming services.
MAESTRO 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 MAESTRO
| Chart 2009 | Rank | Sales |
 South Korean Albums (Gaon) |
36 | 23,200 |