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Permutation entropy claims to tell you when the market is orderly enough to trade. I tested it on 10 ETFs over 20 years, three different ways.
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Trading
Sep 3, 2025
Algorithmic Trading Strategies
Sep 7, 2025
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An EMNLP 2025 survey mapped how LLM agents are used across finance. I built the full 5-agent pipeline on real company filings — and the failure mode the paper predicts showed up as a bug in my own output.
We rebuilt the Kolm/Turiel/Westray order-flow paper on 10 real Nasdaq stocks. Most of it held up exactly.
A real paper on deep learning and order-book predictability, why retail traders structurally can't replicate it, and the honest retail-feasible test I ran instead
322 turn-of-month events, 26 years of SPY, and a walk-forward split that shows the edge held while the opportunity cost of the rest of the calendar went up
How I built a market‐neutral strategy on Coca‐Cola and Pepsi, with rolling beta, z‐scores, and a realistic backtest.