Dec 2021 Theme Wrap — The Monthly Theme Map
22 trading days · 99 recurring themes · top 15 themes — most persistent is Semiconductors at 10 days (monthly avg. +5.2%). Best single day this month: Dec 8, +22.8%.
Average change over the period
In December 2021, Semiconductors was the most persistent theme, strong on 10 days with an average change of 5.16%. Its best day came on Dec 1, with a change of 9.42%.
The biggest averages came from smaller groups. AI & Robotics averaged 15.92% over 4 strong days, while Medical Devices averaged 14.91% in just 3.
Pandemic-linked names also spiked. COVID (Pfizer) posted a best change of 20.7% on Dec 27, and Medical Devices reached 22.84% on Dec 8.
99 themes recurred this month.
Monthly Theme Ranking
| Theme | Days strong | Monthly avg. | Best day | Leader |
|---|---|---|---|---|
| Semiconductors | 10d | +5.2% | 2021-12-01 (+9.4%) | LX Semicon, Ram Technology, Semcns |
| Nuclear | 7d | +4.0% | 2021-12-01 (+7.1%) | HRS, Enertork, Iljin Power |
| Remote Work & Smart Work | 6d | +8.1% | 2021-12-15 (+16.8%) | Softcamp, Rsupport, Fasoo AI |
| Digital Health & Telehealth | 6d | +8.1% | 2021-12-08 (+14.2%) | BITComputer, Softcen, ezCaretech |
| Travel | 6d | +4.0% | 2021-12-22 (+5.0%) | Yellow Balloon Tour, Sejoong, Hanatour Service |
| Airlines & Low-Cost Carriers | 6d | +3.2% | 2021-12-29 (+4.2%) | Jin Air, Trinity Airways, Tway Holdings Incorporation |
| Duty Free | 6d | +2.9% | 2021-12-29 (+3.8%) | Global Tax Free, Tonymoly, Hotel Shilla |
| Casinos | 6d | +2.6% | 2021-12-24 (+3.6%) | Kangwon Land, Lotte Tour Development, Paradise |
| COVID (Negative-Pressure Wards & Ambulances) | 5d | +9.7% | 2021-12-08 (+19.9%) | GH Advanced Materials, Shinsung E&g, SY |
| Political Ties (Lee Jae-myung) | 5d | +8.5% | 2021-12-02 (+15.0%) | CS, DongshinEngineering&Construction, GL Pharm Tech |
| 5G / Telecom Equipment | 5d | +5.6% | 2021-12-01 (+7.2%) | RFHIC, Gigalane, Woori-Net |
| AI & Robotics | 4d | +15.9% | 2021-12-13 (+19.1%) | Yujin Robot, JLK, Firstec |
| COVID (Pfizer) | 4d | +13.1% | 2021-12-27 (+20.7%) | Green Lifescience, Seoul Pharma, Wooree Bio |
| Shipping | 4d | +3.7% | 2021-12-01 (+5.3%) | HMM, Heung-a Shipping |
| Medical Devices | 3d | +14.9% | 2021-12-08 (+22.8%) | Mediana, Mekics, Curexo |
What to Watch Next Month
Themes tied to reopening grouped together late in the month. Airlines & Low-Cost Carriers and Duty Free both had their best day on Dec 29, and Travel peaked on Dec 22.
Political Ties (Lee Jae-myung) was the only theme marked running rather than recurred, with an average change of 8.52%. Whether that run continues into the new month is one thread to follow.
Theme heatmap
| 12-01 | 12-02 | 12-03 | 12-06 | 12-07 | 12-08 | 12-09 | 12-10 | 12-13 | 12-14 | 12-15 | 12-16 | 12-17 | 12-20 | 12-21 | 12-22 | 12-23 | 12-24 | 12-27 | 12-28 | 12-29 | 12-30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semiconductors | +9.4 | +7.1 | +1.9 | +5.2 | +4.2 | +3.7 | +5.9 | +4.6 | +6.7 | +2.9 | ||||||||||||
| Nuclear | +7.1 | +2.4 | +3.2 | +4.0 | +2.3 | +5.9 | +3.2 | |||||||||||||||
| Remote Work & Smart Work | +8.5 | +7.3 | +6.2 | +5.4 | +16.8 | +4.1 | ||||||||||||||||
| Digital Health & Telehealth | +12.1 | +6.0 | +14.2 | +2.1 | +7.7 | +6.1 | ||||||||||||||||
| Travel | +4.3 | +4.9 | +4.2 | +5.0 | +3.0 | +2.7 | ||||||||||||||||
| Airlines & Low-Cost Carriers | +3.3 | +2.7 | +3.8 | +3.8 | +1.8 | +4.2 | ||||||||||||||||
| Duty Free | +3.0 | +2.3 | +3.2 | +2.6 | +2.6 | +3.8 | ||||||||||||||||
| Casinos | +2.8 | +1.4 | +2.2 | +2.3 | +3.6 | +3.2 | ||||||||||||||||
| COVID (Negative-Pressure Wards & Ambulances) | +19.9 | +7.9 | +8.1 | +4.1 | +8.4 | |||||||||||||||||
| Political Ties (Lee Jae-myung) | +15.0 | +4.6 | +8.3 | +4.8 | +9.9 | |||||||||||||||||
| 5G / Telecom Equipment | +7.2 | +4.8 | +3.3 | +5.6 | +7.1 | |||||||||||||||||
| AI & Robotics | +19.1 | +13.1 | +14.9 | +16.5 | ||||||||||||||||||
| COVID (Pfizer) | +3.2 | +14.7 | +13.8 | +20.7 | ||||||||||||||||||
| Shipping | +5.3 | +2.0 | +2.9 | +4.5 | ||||||||||||||||||
| Medical Devices | +17.6 | +22.8 | +4.3 |