BigHit Music said Cortis’ EP “GreenGreen” has sold over 4.1 million copies on Circle Chart data, Yonhap reported, making the group the second South Korean act to pass four million sales in 2026 after BTS’ “Arirang.” It sold over 2.3 million copies in its first week.

“GreenGreen” debuted at No. 3 on the Billboard 200 and remained on the chart for 18 consecutive weeks through mid-September. BigHit attributed sales to “RedRed” and “YoungCreatorCrew.” Cortis’ debut EP also sold about one million copies this year.