2026-09-11 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 2026-09-11).
- Screened 314 names; 65 qualified — the top ones are tabled below.
- Returning names: SFA반도체(036540) (8w ago, since +25.3%) — 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 highly concentrated across several distinct segments this week. There is notable activity in semiconductor-related names, exemplified by SFA반도체 and DB하이텍, which saw significant volume spikes alongside substantial price appreciation. Furthermore, several names in the biotech and advanced technology spaces, such as 현대바이오 and 유일로보틱스, also drew considerable trading interest. The breadth of the surge suggests that while certain thematic areas captured significant capital inflows, the interest was not uniformly distributed across the entire market capitalization spectrum.
Reading the tape
Examining the top movers reveals a divergence in price action accompanying the high volume. For instance, DB하이텍 and 티에스이 recorded both high volume and strong positive price movements, suggesting conviction in those specific areas. Conversely, names like 태성 and 가온칩스 experienced high volume coupled with notable price declines, indicating that intense trading interest can accompany downward price pressure. The presence of multiple large-cap names (e.g., DB하이텍, 유진테크) alongside smaller-cap names in the surge list suggests that the capital flow was opportunistic, targeting both established and more speculative areas of the market.
Volume surge, by definition, reflects where market attention was focused during the period observed; it is an observational measure of trading interest, not a predictive indicator of future price direction. The observed price action accompanying these volume spikes—both positive and negative—demonstrates the dual nature of heightened market engagement.
Top names by volume surge
Ranked by volume vs prior average. 65 names qualified of 314 screened — data as of 2026-09-11.
| # | Name | Volume | Move | Mkt cap | PER | PBR | ROE | Sector |
|---|---|---|---|---|---|---|---|---|
| 1 | 현대바이오(048410) | 10.5× | +5.4% | 6,977억 | — | 6.3 | — | — |
| 2 | 우리기술(032820) | 7.8× | +8.8% | 2.5조 | 2920.0 | 19.3 | — | — |
| 3 | 유일로보틱스(388720) | 6.9× | +1.6% | 8,400억 | — | 9.3 | — | — |
| 4 | SFA반도체(036540) | 5.3× | +23.5% | 1.2조 | — | 2.5 | — | — |
| 5 | 태성(323280) | 4.8× | -5.2% | 1.5조 | — | 11.9 | — | — |
| 6 | 가온칩스(399720) | 4.6× | -8.3% | 5,236억 | — | 9.4 | — | — |
| 7 | DB하이텍(000990) | 4.4× | +18.6% | 5.0조 | 18.3 | 2.3 | — | — |
| 8 | 유진테크(084370) | 4.3× | +2.6% | 3.2조 | 73.2 | 6.9 | — | — |
| 9 | 넥스틴(348210) | 4.2× | -2.3% | 3,609억 | — | 2.3 | — | — |
| 10 | 고영(098460) | 4.1× | -6.4% | 2.0조 | 129.0 | 5.7 | — | — |
| 11 | 하나머티리얼즈(166090) | 4.0× | -4.5% | 1.1조 | 27.7 | 2.3 | — | — |
| 12 | 티에스이(131290) | 3.9× | +19.4% | 3.4조 | 86.9 | 8.7 | — | — |
Related
- All-time track record: /track-record/all-time/
As of 2026-09-11 (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)