The Instiz chart combines the overwhelming variety of charts that South Korea uses to rank music sales, and it's also what fans use to determine whether their favorite artist has achieved an "All-Kill."

Check out the chart rankings for the fourth week of October (October 21 to October 27) below!

Instiz Chart Singles Ranking

1. Rosé ft. Bruno Mars - "APT." - 34,288 Points

2. aespa - "UP (Karina Solo)" - 20,772 Points

3. Jennie - "Mantra" - 20,450 Points

4. DAY6 - "Happy" - 15,071 Points

5. QWER - "My Name is Malgeum" - 13,126 Points

6. aespa - "Supernova" - 10,813 Points

7. DAY6 - "Welcome to the Show" - 10,585 Points

8. QWER - "T.B.H" - 8,969 Points

9. aespa - "Whiplash" - 8,850 Points

10. AKMU - "How can I love the hearbreak? You're the one I Love" - 8,530 Points

SEE ALSO: aespa to perform at Africa's biggest music festival, 'Mawazine'