Buzzberg Cup Bracket locked
#547 Alpha Score 35.8

Lee Young-hoon

Director
· tracked since Apr 2026
547
BUZZBERG Alpha Score combines three things: realized average return, confidence in the sample size, idea volume, and speaker reputation. Speakers with only a few calls are pulled closer to the platform average; speakers with many evaluated ideas keep more of their own return. Reputation only boosts: 5.0 or lower is neutral, while scores above 5 add weight. Scores are normalized to 0-100; 100 is best. Read the FAQ
Alpha Score 35.8
Calls
10
Win Rate
30.0%
Return
-2.7%
Calls 10 14 Posts tracked · 0.2/day
Calls
7d 1
30d 5
90d 10
Best Calls
000660.KS long +59.5%
005930.KS long +26.4%
471990.KS long +0.2%
Worst Calls
012330.KS long -37.0%
009540.KS long -17.4%
010140.KS long -17.0%
Most Mentioned
Recent Calls
141080.KQ long 11 hours ago
471990.KS long 1 day ago
EWY long 1 week ago
Win Rate 30% Long 10 Short 0
Win Rate
7d 50%
30d 80%
90d
Average Return -2.7% Long Return -2.7% Short Return -
Average Return
7d -2.8%
30d +10.1%
90d
Result
Result
Sort
Theme Stance
Ticker
Side
Mentions
Opened
Entry
P&L
Thesis
Theme
Source
Long
Apr 26
$524000.00
-8.3%
Q1 worst behind, H2 recovery.
Hyundai Motor's Q1 earnings miss was anticipated due to tariffs and won strength, and the worst is likely behind. New vehicle launches in H2 and the long-term value from humanoid robots and autonomous driving should support a recovery. The market's pullback is overdone given unchanged fundamentals; the stock is worth holding or buying on weakness.
Consumer
Long
May 09
$268500.00
+26.4%
Hold Samsung and SK Hynix through correction
The AI investment cycle is far from over, and Korea's semiconductor giants Samsung Electronics and SK Hynix are at the center of it. Despite short-term overheating and foreign selling, the long-term uptrend remains intact. Lee is holding these stocks and advises against selling, expecting a recovery after the correction.
AI/Semi
Long
May 30
$418500.00
-17.4%
Buy HD Hyundai Heavy Industries on catalysts.
Sees an overlooked opportunity in Korean shipbuilding, specifically HD Hyundai Heavy Industries group. Catalysts include US Navy's block construction plan for warships, AI data center engine orders (e.g., 530 billion won contract), and a significant valuation discount vs Japanese peers (40-50% lower PBR). He has been accumulating since April and expects re-rating.
Other
Long
May 09
$1676000.00
+59.5%
Hold Samsung and SK Hynix through correction
The AI investment cycle is far from over, and Korea's semiconductor giants Samsung Electronics and SK Hynix are at the center of it. Despite short-term overheating and foreign selling, the long-term uptrend remains intact. Lee is holding these stocks and advises against selling, expecting a recovery after the correction.
AI/Semi
Long
May 09
$656000.00
-14.0%
HD Hyundai Heavy is cheap AI beneficiary
HD Hyundai Heavy Industries is undervalued relative to other large-cap AI plays. The company supplies medium-speed engines for AI data centers, has record earnings, continuous order flow, and potential additional orders. Its valuation (PBR) is low, making it attractive.
Other
Long
Jun 27
$26205.00
+0.2%
Buy beaten-down Korean semiconductor equipment stocks.
Korean semiconductor equipment and materials stocks have been sold off indiscriminately in the broad market downturn, creating a significant valuation gap versus global leaders like ASML, Tokyo Electron, and AMAT. Given their growth prospects and cycle sustainability, these beaten-down names offer a strong recovery opportunity, and the speaker is actively rotating into them.
AI/Semi
Long
Jun 20
$219.20
-9.7%
Long KOSPI on pension rebalancing rotation.
The upcoming pension fund rebalancing will gradually reduce the overconcentration in semiconductors, relieve the forced-selling pressure elsewhere, and direct flows into other sectors with record earnings that have barely moved, creating a buying opportunity for the broader Korean market.
Macro
Long
Jun 07
$27700.00
-17.0%
PER 13-14x, floating data center catalyst.
Samsung Heavy Industries (010140.KS) trades at a PER of 13-14x, offering a discount to peers. The company has a potential catalyst from its floating data center concept, which could generate additional revenue and re-rating if commercialized, as seen with Wärtsilä's high valuation (PBR 9x, PER 35-36x). Combined with strong order backlog and high-margin shipbuilding, Samsung Heavy is well positioned.
Other
Long
May 31
$772000.00
-37.0%
Actuator dominance makes Mobis key robot play.
Hyundai Mobis is the key supplier of actuators, which account for 60% of the hardware cost in humanoid robots. This gives it a strong position in the robot supply chain, making it a direct beneficiary of the physical AI trend.
Consumer
Long
Apr 26
$379000.00
-9.4%
Validated platform, bottoming, limited downside.
Alteogen, a large-cap biotech with a validated platform and a significant licensing deal, has limited downside risk at current levels. The stock is bottoming and showing signs of a rebound, making it attractive for a rebound trade as the sector stabilizes.
Healthcare
Showing 10 of 10 picks · sorted by mentions

Lee Young-hoon has 10 trade ideas tracked on Buzzberg across 10 tickers since April 2026. Ranked #547 on the Buzzberg Alpha leaderboard. Most covered: 005380.KS, 005930.KS, 000660.KS.