Weekly Theme Wrap (Aug 18 – Aug 21)
4 trading days · top 10 themes — most persistent is Education & E-Learning at 3 days (weekly avg. +17.6%). Best single day this week: Aug 20, +29.9%.
Average change over the period
Education & E-Learning led the week of Aug 18 to Aug 21, strong on 3 days. Its best change was 27.62% on Aug 18, with YBM Net, MegaMD and Creverse leading.
COVID / Vaccines, Diagnostics & Epidemic Control posted the highest average change, 27.59%, over 2 days. Korea United Pharm and Green pine tree led, with a best change of 29.88% on Aug 20.
Masks averaged 21.51% over 2 days, led by Welcron and Kmpharmaceutical. Battery / EV averaged 10.04%, with Wonik Pne and Chunbo leading.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| Education & E-Learning | 3d | +17.6% | 2020-08-18 (+27.6%) | running | YBM Net, MegaMD, Creverse |
| COVID / Vaccines, Diagnostics & Epidemic Control | 2d | +27.6% | 2020-08-20 (+29.9%) | running | Korea United Pharm, Green pine tree |
| Masks | 2d | +21.5% | 2020-08-20 (+22.8%) | recurred | Welcron, Kmpharmaceutical |
| Battery / EV | 2d | +10.0% | 2020-08-19 (+12.6%) | recurred | Wonik Pne, Chunbo |
| COVID (Diagnostics, Treatments, Vaccines) | 1d | +25.4% | 2020-08-18 (+25.4%) | recurred | EuBiologics |
| Remote Work & Smart Work | 1d | +23.7% | 2020-08-18 (+23.7%) | recurred | Rsupport |
| Beauty & Cosmetics | 1d | +16.4% | 2020-08-19 (+16.4%) | recurred | It’s Hanbul |
| Mobile Games | 1d | +16.0% | 2020-08-19 (+16.0%) | recurred | Ghost Studio |
| Music & Entertainment | 1d | +9.4% | 2020-08-19 (+9.4%) | recurred | SM Entertainment |
| Samsung Pay | 1d | +8.7% | 2020-08-19 (+8.7%) | recurred | JK Synapse |
Related News by Theme
- Education & E-Learning (2020-08-18) [이시각 상한가] YBM넷(▲2450) - 18일 오후 14시48분 — 이투데이 (Korean)
- COVID / Vaccines, Diagnostics & Epidemic Control (2020-08-20) [특징주] 유나이티드제약, 코로나19 치료제 기대감에 연이은 강세 — 서울경제 (Korean)
- Masks (2020-08-20) [이시각 상한가] 케이엠제약(▲1085) - 20일 오후 14시13분 — 이투데이 (Korean)
- Battery / EV (2020-08-19) [특징주]테슬라 주가 고공행진에 국내 2차전지株 강세 — 서울경제 (Korean)
What to Watch Next Week
Two themes ended the week flagged running: Education & E-Learning and COVID / Vaccines, Diagnostics & Epidemic Control. The other eight themes, including Masks and Battery / EV, were marked recurred.
Single-day moves came from Beauty & Cosmetics at 16.37%, Mobile Games at 15.97%, Music & Entertainment at 9.39% and Samsung Pay at 8.72%. Whether any of them repeat after Aug 21 is the open question.
Theme heatmap
| 08-18 | 08-19 | 08-20 | 08-21 | |
|---|---|---|---|---|
| Education & E-Learning | +27.6 | +14.8 | +10.5 | |
| COVID / Vaccines, Diagnostics & Epidemic Control | +25.3 | +29.9 | ||
| Masks | +20.3 | +22.8 | ||
| Battery / EV | +12.6 | +7.5 | ||
| COVID (Diagnostics, Treatments, Vaccines) | +25.4 | |||
| Remote Work & Smart Work | +23.7 | |||
| Beauty & Cosmetics | +16.4 | |||
| Mobile Games | +16.0 | |||
| Music & Entertainment | +9.4 | |||
| Samsung Pay | +8.7 |