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PhotonCap

PhotonCap, Nutty, Damnang, Aurelion Research
Thousands of paid subscribers

Seeing tech through a different wavelength. Photonics & semiconductor research

Platform
Substack
PricingFreemiumPublishesDaily
Issues108Founded8 months agoLast Issue8 days ago
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Latest Issues

The GPU Repricing Cycle and Q2 Hyperscaler Earnings: Which Hardware Layer the Capex Flows To

$GOOGL $AMZN $MSFT $META $MU $SKHY $MRVL $COHR $LITE $CIEN | Cloud Capex Repricing Analysis

Abstract

8 days ago
20
Paid

AXT and Lumentum’s Prepayment Deal: The InP Substrate LTA Chain

$AXTI $LITE $COHR $IQE $AAOI $SIVE | InP Substrate Prepay LTA Chain, Catalyst Report

People often discuss where the bottlenecks lie. Whether it’s the GPU, memory, or optics. As AI agents gained prominence, the importance of the CPU came to...

11 days ago
28
4
Paid

Compute Short, Memory Long: Aschenbrenner's Unwind, Gavin Baker's Hold

Abstract

In the last week of July, 2026, the public equity book of the market’s hottest fund was forcibly wound down. It is a name anyone who follows stocks has probably heard at least once: Leopold Aschenbrenner’s Situational Awarenes...

12 days ago
39
3

FormFactor’s July 29th

$FORM $TSEM $SKHY | Catalyst Report

On July 29, the top and bottom of the semiconductor supply chain moved in opposite directions. SK hynix ($SKHY) printed a record 60.5 trillion won in quarterly operating profit and still closed down 9.6%...

15 days ago
18
Paid

QQQ Comes Down to the 200-Day

Interestingly, $QQQ fell more than 2% on Wednesday.

Interestingly, $QQQ fell more than 2% on Wednesday. The decline that started off the May highs has now brought the index right on top of its 200-day EMA. The line sits around 648, roughly...

15 days ago
11
6
Paid

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Authors

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  • PhotonCap

    Seeing tech through a different wavelength. Photonics & semiconductor research

  • Nutty

    Analog IC Design Engineer in Silicon Valley. Writing about circuits, semiconductors & industry. \ud83d\udd17 https://atlas.nuttycld.workers.dev/

  • Damnang

    EE Ph.D. and Silicon Valley semiconductor engineer making complex technology easy to understand

  • Aurelion Research

    Independent research on overlooked stocks and investment themes by ex-fund analysts. Aurelion Index 1-year return: +120%

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