u/rdh2dmd

Reddit r/stocks
· tracked since Jul 2026
Calls
4
Win Rate
75.0%
return
+6.2%
Calls 4 4 Posts tracked · 0.1/day
Calls
7d 0
30d 0
90d 4
Win Rate 75% Long 3 Short 1
Win Rate
7d 75%
30d 50%
90d
Average Return +6.2% Long Return +11.8% Short Return -10.5%
Average Return
7d +1.2%
30d +2.2%
90d
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Side
Mentions
First Call
Call Price
P&L
Thesis
Theme
Source
Long
Jul 30
$538.26
+6.3%
The post’s core thesis – chip shortage lasting until 2028 due to AI – benefits the entire semiconductor ecosystem. SMH tracks major chipmakers (incl. Samsung indirectly via sector exposure) that will all gain from sustained tight supply and pricing. Broad semiconductor ETF offers diversified exposure to the structural AI-driven shortage theme. Sector rotation, regulatory risks, or a sudden demand pullback.
The post’s core thesis – chip shortage lasting until 2028 due to AI – benefits the entire semiconductor ecosystem. SMH tracks major chipmakers (incl. Samsung indirectly via sector exposure) that will all gain from sustained tight supply and pricing. Broad semiconductor ETF offers diversified exposure to the structural AI-driven shortage theme. Sector rotation, regulatory risks, or a sudden demand pullback.
Thematic ETFs
Long
Jul 30
$209750.00
+24.4%
Samsung’s chip profit rose over 250-fold, and the company sees AI-driven chip shortages extending to 2028. Securing long-term contracts with floor pricing reduces earnings volatility and locks in future revenue growth. Samsung is structurally positioned to benefit from sustained AI demand, justifying a long position based on the strongly bullish outlook. Potential AI spending slowdown, mobile division losses widening, or geopolitical tensions disrupting supply chains.
Samsung’s chip profit rose over 250-fold, and the company sees AI-driven chip shortages extending to 2028. Securing long-term contracts with floor pricing reduces earnings volatility and locks in future revenue growth. Samsung is structurally positioned to benefit from sustained AI demand, justifying a long position based on the strongly bullish outlook. Potential AI spending slowdown, mobile division losses widening, or geopolitical tensions disrupting supply chains.
AI Memory
Long
Jul 26
$1774000.00
+4.7%
Consensus from 14 brokerages shows SK hynix Q2 operating profit of $43.7B, surpassing its 2025 annual record, with a 75-77% margin. The upcoming earnings report on Wednesday could trigger positive re-rating if actuals meet or beat estimates, reinforcing the AI-driven memory supercycle thesis. SK hynix is the dominant HBM supplier; record profits and high margins validate the structural demand from AI data centers. Earnings miss, memory price slowdown, geopolitical tensions (e.g., US-China chip restrictions), or demand pullback from hyperscalers.
Consensus from 14 brokerages shows SK hynix Q2 operating profit of $43.7B, surpassing its 2025 annual record, with a 75-77% margin. The upcoming earnings report on Wednesday could trigger positive re-rating if actuals meet or beat estimates, reinforcing the AI-driven memory supercycle thesis. SK hynix is the dominant HBM supplier; record profits and high margins validate the structural demand from AI data centers. Earnings miss, memory price slowdown, geopolitical tensions (e.g., US-China chip restrictions), or demand pullback from hyperscalers.
AI Memory
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u/rdh2dmd has 4 trade ideas tracked on Buzzberg across 4 tickers since July 2026. Most covered: 005930.KS, SMH, EWY.

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