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Overview

Long-form essays and analyses on quantitative finance, AI, and technology by Philipp D. Dubach. Independent writing, not commentary, not aggregation.

News

US AI Export Controls, Fable 5, and Europe
US export controls switched off Anthropic
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Self-Hosted YouTube RSS Subscriptions Feed, No API Key
I dropped the YouTube app and rebuilt only my subscriptions feed as a self-hosted Cloudflare Worker that reads each channel
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2026 Portfolio Midyear Review: +5.2% in CHF, CAPE 42.7, No Fed Cuts
Midyear review of the 2026 CHF portfolio through May 29: up 5.2%, roughly matching a 60/40 and trailing the S&P in CHF. Three of four rotations paid; Europe lagged; the clean miss was rates. Plus the three changes I made.
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Hetzner + R2 EU: Moving a Hugo Blog Off GitHub Pages
How I moved a Hugo blog from GitHub Pages to a Hetzner box in Europe, switched object storage to Cloudflare R2 EU, and what I kept on US infrastructure.
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