Marcus Gawronsky — Writing https://marcusinthesky.github.io/blog/ Selected technical and research writing by Marcus Gawronsky. en-ZA No returns: Mega-IPOs and the promise of AI as economic measurement https://marcusinthesky.github.io/PricingPerspective/blog/mega-ipos-ai-economic-measurement/ https://marcusinthesky.github.io/PricingPerspective/blog/mega-ipos-ai-economic-measurement/ Tue, 13 Oct 2026 12:00:00 GMT Mega-IPOs, the convergence of public and private markets, and the case for a new approach to financial measurement. Pricing Perspective What are we actually studying when we study AI in finance? https://marcusinthesky.github.io/PricingPerspective/blog/what-are-we-studying-ai-in-finance/ https://marcusinthesky.github.io/PricingPerspective/blog/what-are-we-studying-ai-in-finance/ Fri, 09 Oct 2026 12:00:00 GMT AI in finance plays three distinct roles — a tool for financial practice, a source of economic change, and a means of measurement — and each demands different evidence. Pricing Perspective Do language models in finance need a Markowitz moment? https://marcusinthesky.github.io/PricingPerspective/blog/language-models-markowitz-moment/ https://marcusinthesky.github.io/PricingPerspective/blog/language-models-markowitz-moment/ Wed, 07 Oct 2026 12:00:00 GMT Language models read individual companies remarkably well; the harder question, as Markowitz taught finance, is what that information means together inside a portfolio. Pricing Perspective Reproducibility is a Graph https://marcusinthesky.github.io/PricingPerspective/blog/reproducibility-is-a-graph/ https://marcusinthesky.github.io/PricingPerspective/blog/reproducibility-is-a-graph/ Sat, 05 Sep 2026 12:00:00 GMT A reproducible result is not a folder of code. It is a dependency structure connecting data, assumptions, transformations, software, environments, and outputs. Pricing Perspective The Tidal Wave of AI Research in Finance https://marcusinthesky.github.io/PricingPerspective/blog/tidal-wave-of-ai-research-in-finance/ https://marcusinthesky.github.io/PricingPerspective/blog/tidal-wave-of-ai-research-in-finance/ Fri, 04 Sep 2026 12:00:00 GMT AI has expanded what can be measured in finance. It has also expanded the space of plausible-looking mistakes: a note on scale, validation, and methodological discipline. Pricing Perspective Vintage Reproducible ET Tax Models https://marcusinthesky.github.io/PricingPerspective/blog/vintage-reproducible-ettax-models/ https://marcusinthesky.github.io/PricingPerspective/blog/vintage-reproducible-ettax-models/ Thu, 03 Sep 2026 12:00:00 GMT Analytical results change when data, policy rules, assumptions, and software change. A practical note on preserving vintages so historical results stay reconstructable. Pricing Perspective Models are Markup, Tokens are Features https://huggingface.co/blog/marcusinthesky/models-are-markup-tokens-are-features https://huggingface.co/blog/marcusinthesky/models-are-markup-tokens-are-features Thu, 20 Aug 2026 12:00:00 GMT A practical account of treating model structure as markup and token-specific adaptation as a feature-selection problem. Hugging Face Beyond Average Revenue https://www.solenya.ai/blog/24-ab-test-myrunway https://www.solenya.ai/blog/24-ab-test-myrunway Wed, 06 May 2026 12:00:00 GMT An experiment-analysis perspective on commercial impact beyond a single average treatment effect. Solenya Architecting Solenya API V1 https://www.solenya.ai/blog/23-ingredients-and-engine https://www.solenya.ai/blog/23-ingredients-and-engine Thu, 23 Jan 2025 12:00:00 GMT Design choices behind an applied-AI API and the infrastructure around it. Solenya What is Zero-shot Discovery? https://www.solenya.ai/blog/03-zs-discovery https://www.solenya.ai/blog/03-zs-discovery Wed, 03 Jan 2024 12:00:00 GMT An introduction to finding useful structure without task-specific labelled examples. Solenya