#488 Alpha Score 55.6

Jang Chang-min

Analyst
· tracked since Jul 2026
488
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Alpha Score 55.6
Calls
9
Win Rate
55.6%
return
+1.9%
Calls 9 2 Posts tracked · 0.1/day
Calls
7d 0
30d 9
90d 9
Best Calls
COHR Long +13.6%
MRVL Long +12.5%
AVGO Long +11.7%
Worst Calls
TSLA Long -21.9%
AMD Long -13.9%
MPC Long -2.6%
Most Mentioned
AMD ×2
AVGO ×2
MRVL ×1
Recent Calls
COHR Long 2 weeks ago
LITE Long 2 weeks ago
MRVL Long 2 weeks ago
Win Rate 56% Long 9 Short 0
Win Rate
7d 11%
30d
90d
Average Return +1.9% Long Return +1.9% Short Return -
Average Return
7d -5.6%
30d
90d
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Result
Result
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Ticker
Side
Mentions
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Call Price
P&L
Thesis
Theme
Source
Long
Jul 07
$549.09
-13.9%
AMD gains auto AI training chip share.
AMD rose sharply after Goldman Sachs hiked target to $640, and the stock is gaining traction as an alternative to NVIDIA in automotive AI training. Japanese autonomous driving startup Turing shifted 10% of AI workloads from NVIDIA to AMD, and AMD's venture arm invested, marking early adoption in a new vertical.
AI Compute
Long
Jul 07
$373.63
+11.7%
Apple custom chip deal de-risks Broadcom.
Broadcom extended its custom ASIC partnership with Apple through 2031, disclosed in an SEC filing. This de-risks the long-standing fear that Apple would eventually in-source those chips, securing Broadcom's high-margin revenue stream and validating its position in Apple's silicon roadmap.
AI ASIC
Long
Jul 20
$285.33
+13.6%
AI chip diversification benefits custom chips, components
AI chip demand is diversifying beyond NVIDIA's GPU monopoly. Google's in-house inference chip development and Microsoft's expanded partnership with AMD signal that hyperscalers are turning to custom chips and alternative suppliers. This benefits custom ASIC designers Broadcom and Marvell, optical component makers Lumentum and Coherent, and CPU/GPU supplier AMD. The broadening of AI chip suppliers is a positive signal that AI investment is becoming a long-term, multi-provider cycle.
AI Photonics
Long
Jul 20
$768.00
+10.7%
AI chip diversification benefits custom chips, components
AI chip demand is diversifying beyond NVIDIA's GPU monopoly. Google's in-house inference chip development and Microsoft's expanded partnership with AMD signal that hyperscalers are turning to custom chips and alternative suppliers. This benefits custom ASIC designers Broadcom and Marvell, optical component makers Lumentum and Coherent, and CPU/GPU supplier AMD. The broadening of AI chip suppliers is a positive signal that AI investment is becoming a long-term, multi-provider cycle.
AI Photonics
Long
Jul 20
$315.09
-2.6%
Refiners benefit from sustained high oil prices
Elevated oil prices above $80 are improving refining margins, and fund flows are moving into refining stocks. Valero Energy and Marathon Petroleum hit 52-week highs as investors bet on sustained high oil rather than directional oil trading, benefiting from wider crack spreads.
Oil & Gas
Long
Jul 20
$194.20
+12.5%
AI chip diversification benefits custom chips, components
AI chip demand is diversifying beyond NVIDIA's GPU monopoly. Google's in-house inference chip development and Microsoft's expanded partnership with AMD signal that hyperscalers are turning to custom chips and alternative suppliers. This benefits custom ASIC designers Broadcom and Marvell, optical component makers Lumentum and Coherent, and CPU/GPU supplier AMD. The broadening of AI chip suppliers is a positive signal that AI investment is becoming a long-term, multi-provider cycle.
AI ASIC
Long
Jul 20
$314.90
-1.9%
Refiners benefit from sustained high oil prices
Elevated oil prices above $80 are improving refining margins, and fund flows are moving into refining stocks. Valero Energy and Marathon Petroleum hit 52-week highs as investors bet on sustained high oil rather than directional oil trading, benefiting from wider crack spreads.
Oil & Gas
Long
Jul 07
$6.62
+8.8%
Robotaxi partner exclusive supply lifts Lucid.
Lucid surged 10% as the robotaxi narrative re-emerged. Lucid is the exclusive partner providing Gravity SUVs for Waymo/Nuro's robotaxi program, with validation vehicles already being produced for 2027 deployment, offering a direct play on autonomous ride-hailing.
Autos & EV
Long
Jul 07
$416.99
-21.9%
Autonomous driving narrative revival boosts Tesla.
Tesla rallied on Q2 delivery beat of 480k units, robotaxi service expansion news, and analyst target price upgrades. The market is reviving the autonomous driving and robot AI narrative, which had been under pressure, signaling renewed confidence in Tesla's non-EV growth story.
Autos & EV
Showing 9 of 9 calls · sorted by mentions

Jang Chang-min has 9 trade ideas tracked on Buzzberg across 9 tickers since July 2026. Ranked #488 on the Buzzberg Alpha leaderboard. Most covered: AMD, AVGO, MRVL.