2026-09-18 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 2026-09-18).
- Screened 287 names; 20 qualified — the top ones are tabled below.
- 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 indicates attention was highly dispersed across different market capitalizations and sectors this week. There is notable activity in areas related to technology and industrial components, evidenced by the participation of names like 성호전자 and 쏠리드. Conversely, some large-cap names, such as 제일기획, experienced significant volume accompanied by price declines, suggesting divergence in sentiment even within established stocks. The breadth of participation, spanning from smaller-cap names to large blue-chips, suggests that attention was not confined to a single, dominant theme this period.
Reading the tape
A pattern of high relative performance alongside elevated volume was observed in several names, such as 성호전자 and 에이치브이엠, which posted substantial price gains on increased trading interest. In contrast, 넷마블 displayed the highest volume surge by a significant margin, yet its price action was negative. This contrast highlights that high volume itself is merely a measure of attention, not a predictor of immediate price direction. The presence of both strong positive movers and notable negative movers on high volume suggests a period of active, yet directionally mixed, investor engagement.
This observation serves purely as a snapshot of where trading interest was concentrated this week based on volume metrics. It is important to note that volume surge signifies attention, not a forecast of future price movement.

Top names by volume surge
Ranked by volume vs prior average. 20 names qualified of 287 screened — data as of 2026-09-18.
| # | Name | Volume | Move | Mkt cap | PER | PBR | ROE | Sector |
|---|---|---|---|---|---|---|---|---|
| 1 | 넷마블(251270) | 32.4× | -4.4% | 2.9조 | 12.6 | 0.5 | — | — |
| 2 | 성호전자(043260) | 5.9× | +46.0% | 1.9조 | 18.3 | 7.0 | — | — |
| 3 | 쏠리드(050890) | 5.4× | +14.9% | 5,985억 | 16.1 | 1.7 | — | — |
| 4 | 에이치브이엠(295310) | 4.5× | +38.1% | 7,393억 | 56.2 | 7.9 | — | — |
| 5 | LS머트리얼즈(417200) | 4.4× | +25.0% | 9,241억 | 2276.7 | 5.0 | — | — |
| 6 | 케이엠더블유(032500) | 4.3× | +29.0% | 7,936억 | — | 5.9 | — | — |
| 7 | 현대무벡스(319400) | 3.0× | +0.7% | 2.5조 | 221.8 | 15.7 | — | — |
| 8 | 안랩(053800) | 2.9× | +12.7% | 7,410억 | 11.7 | 1.6 | — | — |
| 9 | 제일기획(030000) | 2.7× | -8.1% | 2.0조 | 8.5 | 1.1 | — | — |
| 10 | 미래에셋벤처투자(100790) | 2.4× | +20.9% | 9,397억 | 30.4 | 2.5 | — | — |
| 11 | 인텔리안테크(189300) | 2.0× | +11.1% | 7,387억 | 95.0 | 2.6 | — | — |
| 12 | 두산(000150) | 1.9× | +25.5% | 23.4조 | 342.3 | 16.6 | — | — |
Related
- All-time track record: /track-record/all-time/
As of 2026-09-18 (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)