Systematic AI Investing Portfolios
Andreas HimmelreichSystematic Investing Portfolios — Built with AI & Machine Learning General Posts are free! \ud83d\udd39 Includes 3 Live (AI) Strategy Books / Portfolios (Small, Mid/Large, Large Cap) for paying subscribers
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 109 | Founded | 2 years ago | Last Issue | 6 days ago |
| Active | |||||
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systematicportfolios.substack.comLatest Issues
Machine Learning in Quant Finance: Robustness Is Not Replicability
When building systematic trading strategies with machine learning models like LightGBM, it is easy to fall into traditional academic traps. Many practitioners get nervous when a small change in an ML model dramatically alters the output, im...
Why Do I Only Have a 5‑Year Backtest on My Actuals Models?
Actuals Data
The models are based on actuals data from FactSet. FactSet captures data from press releases and feeds it to P123. Very potent. Super strong data.
But the data is too sparse before 2020 to test properly.
I analysed it and...
Kudos and Thank You to Our Subscribers!
Designer Models ➡️
https://www.portfolio123.com/app/r2g/summary?id=1811955
Subs chasing concentrated 10 Position High Beta Portfolio Strategies.
Carful now, Standard deviation is 51% versus 13% on the SPY!
I will publish a version (i...
How AI Factor Really Works — The Full Workflow in One Video
Full Workflow of AI Factor in one Video: have fun!
Best regards,
Andreas
Systematic AI Investing Portfolios is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.
State of the AI Factor Nation
Quick update:
All good. Small and large cap AI Factor models are humming along.
About 13 months ago, I started publishing AI Factor models. The results are staggering.
Most importantly, live trading replicates OOS pseudo (the holdout tes...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for Systematic AI Investing Portfolios.
| Subscribers | Engagement | 71 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Quantitative Investor & Consultant via Portfolio123.com
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