HeyJaredSystematic AI Investing Portfolios
Systematic Investing Portfolios — Built with AI & Machine Learning General Posts are free! 🔹 Includes 3 Live (AI) Strategy Books / Portfolios (Small, Mid/Large, Large Cap) for paying subscribers
- Indexed issues, last 90 days
- 7
- Latest publication
- Sep 19, 2026
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- Earliest in this view
- Jul 16, 2026
Latest issues
Large Cap Combo Strategy Book Hits All-Time Highs (opens the original)
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Just a quick update:Large Cap Combo Strategy Book: AI Factor, Traditional Sentiment, Actuals & Sentiment (P123 Group Access)https://www.portfolio123.com/port_summary.jsp?portid=1886955Systematic AI Investing Portfolios is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.<input class="button p
Using DeepSeek, Gemini, Grok, ChatGPT or Claude to develop Trading Systems? (opens the original)
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1. Point-in-Time (PIT) Data or NothingIf you do not feed the LLM a true Point-in-Time database architecture, you are backtesting pure hallucination. Without PIT data, the system projects current index constituents, earnings restatements, and revised fundamentals into the past—creating severe survivorship and look-ahead bias. The backtest looks like a money printer; live trading brings an instant zero.<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!WH00!
Reflation / Stagflation: Commodities or Stocks? (opens the original)
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The Regime ShiftWe are no longer flipping between Goldilocks and Deflation. That secular regime is over. We now flip between Reflation and Stagflation — and in both regimes, commodities are fine to be long.But we need to understand the spillover effects to stocks.Earnings, baby. Earnings.<
Excel Cloud Share Links (opens the original)
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Hi,we will stop providing Excel Cloud Share Links within the next 4 weeks.If you are currently using these links, please consider subscribing to Portfolio123.com so I can add you to the P123 research group of this Substack — or consider cancelling your subscription.<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!L1XB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3c31965e-d5c5-4de1-b998-1
AI Factor Rebalance: Small Caps & Large Caps Holding Strong (opens the original)
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How to get access to the AI Factor Models, see here:Systematic AI Investing Portfolios is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.<div
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