Calls
4
Jung In-sung
Author, former SK hynix engineer
Win Rate
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return
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Ticker
Side
Mentions
First Call
Call Price
P&L
Thesis
Theme
Source
Long
Jan 30
$403.46
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DRAM price increases began in late 2025 and are unlikely to reverse in the first half; long-term contracts and new fab timelines mean actual demand should be watched, but current shortage supports Samsung, SK hynix, and memory makers.
Thematic ETFs
Long
Jan 30
$191.13
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In physical AI, raw chip performance and power efficiency matter less than the development environment. Nvidia's CUDA ecosystem, Jetson Thor hardware, and Isaac GR00T software make it easier for robotics developers and partners such as Hyundai's Boston Dynamics and LG to train models and deploy them to robots, so Nvidia is best positioned for robot brains.
AI Compute
Long
Jan 30
$161650.00
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Korean memory makers retain a competitive moat against China: Korea is about four years ahead in DRAM, and US equipment export controls may cap Chinese DRAM at around 10nm-class or fifth-generation levels. As DRAM scaling becomes harder, closer relationships and deeper co-engineering between memory makers and buyers create an additional intangible barrier for incumbents.
AI Memory
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Jung In-sung has 4 trade ideas tracked on Buzzberg across 5 tickers since January 2026.
Historical call returns are modeled from recorded ideas and stored prices, not actual brokerage portfolio returns. Check the evaluated call set and horizon; past results do not establish future prediction accuracy. Explore our data and methodology
