2026-10-02 Korea Volume Surge — Kosho
What this is
- A weekly volume-surge screen: traded names whose recent trading volume ran well above their own prior average (data as of 2026-10-02).
- Screened 338 names; 102 qualified — the top ones are tabled below.
- Returning names: 아이쓰리시스템(214430) (4w ago, since +36.0%), 동서(026960) (13w ago, since +8.9%), LS머트리얼즈(417200) (2w ago, since +13.0%), 제일기획(030000) (2w ago, since +7.2%) — flagged vs prior appearances.
- Surging volume signals attention, not direction — it accompanies both rallies and selloffs. This is an observational screen, not investment advice.
What drew volume
The volume surge list suggests that investor attention this week was highly concentrated across specific industrial and technology sub-sectors, rather than exhibiting broad market breadth. Several names in the materials, specialized chemicals, and potentially semiconductor-adjacent areas registered significant trading activity. While some large-cap names, such as 우리금융지주, saw substantial volume, the accompanying price action was negative, indicating divergence between sheer trading interest and immediate price momentum across the index.
Reading the tape
A noticeable pattern involves several smaller to mid-cap names exhibiting high volume alongside strong positive price appreciation, such as 한온시스템, 이수스페셜티케미컬, and 제주반도체. Conversely, the presence of large-cap financial names like 우리금융지주 drawing high volume but declining in price suggests that sector-specific rotation or profit-taking was active even within high-profile stocks. The volume surge itself is purely an indicator of heightened attention, reflecting where capital was actively deployed this period, irrespective of the direction of the subsequent price movement.
Top names by volume surge
Ranked by volume vs prior average. 102 names qualified of 338 screened — data as of 2026-10-02.
| # | Name | Volume | Move | Mkt cap | PER | PBR | ROE | Sector |
|---|---|---|---|---|---|---|---|---|
| 1 | 한온시스템(018880) | 9.7× | +12.3% | 3.9조 | — | 1.0 | — | — |
| 2 | 삼천당제약(000250) | 7.1× | +27.5% | 4.8조 | 898.2 | 17.1 | — | — |
| 3 | 우리금융지주(316140) | 7.0× | -8.1% | 24.8조 | 8.3 | 0.7 | — | — |
| 4 | 이수스페셜티케미컬(457190) | 6.6× | +25.2% | 2.4조 | 3065.4 | 18.1 | — | — |
| 5 | 엘앤씨바이오(290650) | 6.0× | +15.7% | 1.5조 | — | 7.1 | — | — |
| 6 | SKC(011790) | 5.4× | +20.7% | 5.2조 | — | 4.6 | — | — |
| 7 | 제주반도체(080220) | 5.0× | +25.2% | 3.2조 | 79.6 | 13.8 | — | — |
| 8 | 아이쓰리시스템(214430) | 4.6× | +28.4% | 5,583억 | 28.8 | 4.0 | — | — |
| 9 | 동서(026960) | 3.9× | +8.6% | 2.7조 | 18.8 | 1.6 | — | — |
| 10 | LS머트리얼즈(417200) | 3.6× | +13.0% | 9,837억 | 2423.3 | 5.3 | — | — |
| 11 | 제일기획(030000) | 3.6× | +7.2% | 2.2조 | 9.2 | 1.2 | — | — |
| 12 | 솔브레인홀딩스(036830) | 3.5× | +16.6% | 9,709억 | 2.0 | 0.6 | — | — |
Related
- All-time track record: /track-record/all-time/
As of 2026-10-02 (KST).
Disclaimer: OneQAZ figures are paper-trading research, not investment advice. Past simulated performance does not predict future real-money results.
Three ways to see OneQAZ — this post is the synthesis layer:
- Live — dashboard stream (the system’s screen, 24/7)
- Synthesis — blog.oneqaz.com (daily reads · journals · track record)
- Query — OneQAZ MCP (connect an AI to live data)