Weekly Theme Wrap (Oct 19 – Oct 23)
5 trading days · top 4 themes — most persistent is EV at 1 day (weekly avg. +19.6%). Best single day this week: Oct 20, +19.6%.
Average change over the period
Four themes each had one strong day between Oct 19 and Oct 23. EV led the group with an average change of 19.55% on Oct 20, driven by Nuin Tek.
A same-day Korean news report linked the EV move to expected gains from electric-vehicle demand. Battery also rose on Oct 20, with People & Technology posting an average change of 7.87%.
On Oct 23, SK Innovation lifted Oil Refining by 5.47%, which a Korean news report tied to surprise earnings. Property & Casualty Insurance rose 5.13% on Oct 19.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| EV | 1d | +19.6% | 2015-10-20 (+19.6%) | recurred | Nuin Tek |
| Battery | 1d | +7.9% | 2015-10-20 (+7.9%) | recurred | People & Technology |
| Oil Refining | 1d | +5.5% | 2015-10-23 (+5.5%) | recurred | SK Innovation |
| Property & Casualty Insurance | 1d | +5.1% | 2015-10-19 (+5.1%) | recurred | Korean Reinsurance Company |
Related News by Theme
- EV (2015-10-20) [특징주] 삼화콘덴서 계열사, 전기차 수혜 전망에 강세 — 브릿지경제 (Korean)
- Oil Refining (2015-10-23) [특징주]SK이노베이션, ‘깜짝실적’에 상승세 — 브릿지경제 (Korean)
What to Watch Next Week
All four themes are tagged as recurring, so the next question is whether any of them has a second strong day. EV stands out, with a gain more than double that of the next theme.
For Oil Refining, the open question is whether the earnings-driven move carries on. In insurance, Korean Reinsurance Company was the only leader named in the data.
Theme heatmap
| 10-19 | 10-20 | 10-21 | 10-22 | 10-23 | |
|---|---|---|---|---|---|
| EV | +19.6 | ||||
| Battery | +7.9 | ||||
| Oil Refining | +5.5 | ||||
| Property & Casualty Insurance | +5.1 |