Korea’s Box Office: Top-10 Revenue Falls 45.9% in Week 42

Revenue from South Korea’s top 10 films fell 45.9% in week 42 of 2026 (Oct. 12–18). Chiikawa the Movie: The Secret of the Mermaid Island (극장판 치이카와: 인어 섬의 비밀) led the chart, while three films released on Oct. 14 entered the top 10. The top three films accounted for 66.5% of revenue, down from 70.7% the previous week.

Chiikawa holds a wide lead

Chiikawa the Movie: The Secret of the Mermaid Island (극장판 치이카와: 인어 섬의 비밀) earned ₩5.53 billion from 547,462 admissions. Second-place The Assassin(s) (암살자(들)) took ₩2.48 billion from 255,330 admissions, followed by Tazza: The Song of Beelzebub (타짜: 벨제붑의 노래) with ₩1.68 billion from 166,468 admissions.

The leader earned more than twice as much as the second-place film. Even so, the top three’s share of revenue fell by 4.2 percentage points, leaving a larger share for films further down the chart.

New arrivals enter below the top four

The three films that entered the top 10 this week placed fifth, seventh and eighth. Whalefall (웨일폴: 고래에 먹힌 남자) earned ₩566.7 million, Guardians of the Video Game (전자오락수호대) earned ₩359.5 million, and Street Fighter (스트리트 파이터) earned ₩321.1 million.

The Odyssey (오디세이) remained ahead of those arrivals in fourth place with ₩1.30 billion. Its cumulative admissions reached 12.27 million, the highest total among this week’s top 10.

By the Numbers