2026-07-31 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 2026-07-31).
- Screened 331 names; 52 qualified — the top ones are tabled below.
- Returning names: 미원에스씨(268280) (5w ago, since +19.5%) — 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 indicates that attention was quite dispersed across the KOSPI this week, rather than concentrating heavily in a single sector or theme. We observe activity spanning consumer staples (LG생활건강, 아모레퍼시픽), materials/paper (한솔제지), and some names with significant market capitalization across various industries. The divergence in price action accompanying the high volume—ranging from substantial gains to notable declines—suggests that the recent trading interest was highly selective, pointing to specific company catalysts rather than broad market momentum.
Reading the tape
A notable pattern emerges among the consumer-related names, specifically LG생활건강 and 아모레퍼시픽, which both experienced significant positive price movements alongside elevated trading volumes. Separately, the presence of high-volume names like 야스, despite a substantial price decline, suggests that some speculative or event-driven interest was present in certain smaller-cap names, contrasting with the more measured gains seen in some larger-cap stocks like 셀트리온. The breadth of the activity, covering diverse market caps and sectors, points to varied investor focus points this period.
Volume surge merely reflects where trading attention was concentrated this week; it is an observation of past flow, not a predictor of future price direction. The observed price action—whether positive or negative—is simply one component of the trading narrative.

Top names by volume surge
Ranked by volume vs prior average. 52 names qualified of 331 screened — data as of 2026-07-31.
| # | Name | Volume | Move | Mkt cap | PER | PBR | ROE | Sector |
|---|---|---|---|---|---|---|---|---|
| 1 | 야스(255440) | 10.9× | -20.2% | 657억 | — | 0.5 | — | — |
| 2 | 한솔제지(213500) | 10.8× | +6.0% | 1,737억 | 44.9 | 0.2 | — | — |
| 3 | LG생활건강(051900) | 7.7× | +14.3% | 4.2조 | — | 0.9 | — | — |
| 4 | 아모레퍼시픽(090430) | 3.7× | +6.8% | 7.5조 | 37.7 | 1.6 | — | — |
| 5 | 에스앤디(260970) | 2.7× | -8.2% | 1,345억 | 6.5 | 1.6 | — | — |
| 6 | 셀트리온(068270) | 2.6× | +7.9% | 43.0조 | 41.6 | 2.5 | — | — |
| 7 | 삼양식품(003230) | 2.6× | +11.0% | 8.8조 | 22.3 | 7.0 | — | — |
| 8 | 바디텍메드(206640) | 2.5× | +4.0% | 2,506억 | 10.5 | 1.1 | — | — |
| 9 | 팬오션(028670) | 2.5× | -0.4% | 3.0조 | 9.9 | 0.5 | — | — |
| 10 | 아모레퍼시픽홀딩스(002790) | 2.4× | +0.6% | 1.9조 | 18.4 | 0.6 | — | — |
| 11 | 대상(001680) | 2.3× | +4.0% | 6,115억 | — | 0.6 | — | — |
| 12 | 미원에스씨(268280) | 2.3× | +6.6% | 5,970억 | 9.4 | 1.3 | — | — |
Related
- All-time track record: /track-record/all-time/
As of 2026-07-31 (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)