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Yoon Jae-sung

Research Fellow
· tracked since May 2026
Calls
4
Win Rate
0.0%
Return
-16.7%
Calls 4 4 Posts tracked · 0.1/day
Calls
7d 0
30d 3
90d 4
Best Calls
No live winners yet
Worst Calls
010950.KS long -21.2%
010060.KS long -17.4%
FSLR long -15.5%
Most Mentioned
Recent Calls
T1E.US long 2 weeks ago
FSLR long 2 weeks ago
010060.KS long 1 month ago
Win Rate 0% Long 4 Short 0
Win Rate
7d 50%
30d 0%
90d
Average Return -16.7% Long Return -16.7% Short Return -
Average Return
7d +11.0%
30d -8.2%
90d
Result
Result
Sort
Theme Stance
Ticker
Side
Mentions
Opened
Entry
P&L
Thesis
Theme
Source
Long
Jun 09
$35050.00
-12.6%
Hanwha Solutions gains from US solar policy
Hanwha Solutions has shifted entirely to non-Chinese polysilicon (from OCI Holdings) and holds 8.4GW US module capacity (~13-14% market share). As US OBBA Act excludes Chinese modules (which account for 40% of US capacity), Hanwha Solutions should capture pricing power and margin expansion, mirroring the re-rating seen in First Solar and T1 Energy.
Other
Long
Jun 09
$235000.00
-17.4%
OCI Holdings lowest-cost non-Chinese polysilicon
OCI Holdings is the lowest-cost non-Chinese polysilicon producer globally, using Malaysian hydropower. It will benefit from US policies (OBBA Act) excluding Chinese solar content, has potential SpaceX space solar supply contract, and plans significant capacity expansion from 35k tons to 65k tons, providing substantial upside.
Other
Long
May 07
$118200.00
-21.2%
Asian refiners/chemicals gain long-term competitiveness.
The structural shift in global oil markets—Middle East refinery/chemical capacity damaged (4-5% offline for 1-1.5 years), US shale production peaking (new wells need $60+ breakeven vs $40 previously), and UAE leaving OPEC weakening Middle East pricing power—means Asian refiners and chemical companies will gain competitiveness and see higher valuations. The current oil price drop on ceasefire is a buying opportunity, especially during the June-July dip when high raw material costs hit earnings.
Energy
Long
Jun 09
$282.94
-15.5%
First Solar, T1 Energy gain from policy
US solar companies First Solar and T1 Energy have surged due to US policies excluding Chinese solar content, granting them premium valuations. This re-rating is expected to persist as the OBBA Act further restricts Chinese participation in the US solar market.
Energy
Showing 4 of 4 picks · sorted by mentions

Yoon Jae-sung has 4 trade ideas tracked on Buzzberg across 4 tickers since May 2026. Most covered: 009830.KS, 010060.KS, 096770.KS.