Weekly Theme Wrap (Oct 13 – Oct 17)
5 trading days · top 10 themes — most persistent is Battery at 4 days (weekly avg. +13.8%). Best single day this week: Oct 13, +17.5%.
Average change over the period
Battery led the week of Oct 13 to Oct 17, staying strong on 4 days. The theme posted an average change of 13.81% and peaked at 15.97% on Oct 17.
Korea Zinc, Sebitchem, AI Korea and Ecopro led the move. Sebitchem also led Lithium, which averaged 8.31% and had its best day, 11.7%, on Oct 13.
Robotics drew steady interest. Robotics (Industrial & Collaborative) averaged 10.87% over 2 strong days, while AI & Robotics averaged 5.49%, both with Robostar as a leader.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| Battery | 4d | +13.8% | 2025-10-17 (+16.0%) | running | Korea Zinc, Sebitchem, AI Korea |
| Robotics (Industrial & Collaborative) | 2d | +10.9% | 2025-10-13 (+12.9%) | running | Robostar, Woorim Power Train Solution |
| EV | 2d | +10.1% | 2025-10-14 (+11.6%) | recurred | DY Deokyang, Inics |
| Lithium | 2d | +8.3% | 2025-10-13 (+11.7%) | running | Sebitchem, Joongang Advanced Materials |
| AI & Robotics | 2d | +5.5% | 2025-10-14 (+6.7%) | running | Robostar, Clobot |
| Inter-Korean Economic Cooperation | 2d | +4.4% | 2025-10-14 (+4.5%) | recurred | Codes Combine |
| Car Majors | 2d | +4.4% | 2025-10-16 (+5.5%) | running | Hanon Systems |
| Semiconductor Majors (Fabrication) | 2d | +3.8% | 2025-10-15 (+4.2%) | running | DB HiTek, SK hynix |
| Rare Earths & Rare Metals | 1d | +17.5% | 2025-10-13 (+17.5%) | running | EG |
| 5G | 1d | +14.1% | 2025-10-15 (+14.1%) | recurred | TAIHAN Fiberoptics |
Related News by Theme
- Battery (2025-10-17) 에코프로 27% 급등…2차전지 ‘불안한 랠리’ — 한국경제 (Korean)
- Robotics (Industrial & Collaborative) (2025-10-13) [급등수사본부] 로봇 배터리 분야 부품 수주 기대 ‘한라캐스트’ vs 삼성전자 DSP 밸류체인 대표주자 ‘에이디테크놀로지’ — 머니투데이 (Korean)
What to Watch Next Week
The week’s top single-day theme move was Rare Earths & Rare Metals at 17.46% on Oct 13, led by EG. 5G jumped 14.08% on Oct 15 on its only strong day.
A Korea Economic Daily headline on Oct 17 called the Battery rally ‘Uneasy Rally’, so its staying power is the key open question.
Theme heatmap
| 10-13 | 10-14 | 10-15 | 10-16 | 10-17 | |
|---|---|---|---|---|---|
| Battery | +13.0 | +10.9 | +15.4 | +16.0 | |
| Robotics (Industrial & Collaborative) | +12.9 | +8.8 | |||
| EV | +11.6 | +8.7 | |||
| Lithium | +11.7 | +4.9 | |||
| AI & Robotics | +4.3 | +6.7 | |||
| Inter-Korean Economic Cooperation | +4.5 | +4.4 | |||
| Car Majors | +5.5 | +3.3 | |||
| Semiconductor Majors (Fabrication) | +4.2 | +3.4 | |||
| Rare Earths & Rare Metals | +17.5 | ||||
| 5G | +14.1 |