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Show HN: Read the Tape – Wordle for daytrading, five blind S&P 500 charts a day

Hacker News Top ↗ · 2026-07-20 Cached

A daily chart game where users guess whether five blind S&P 500 charts go up or down, wagering paper conviction against a monkey benchmark.

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#sp500

@RitOnchain: this paper is f*cking insane a study out of Northwestern shows how a 3-state Hidden Markov Model absolutely crushes tra…

X AI KOLs Timeline ↗ · 2026-07-20 Cached

A study from Northwestern shows a 3-state Hidden Markov Model that detects market regimes to outperform traditional factor investing in S&P 500 trading, delivering 2% annual alpha and avoiding major crashes.

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#sp500

@Hedgeye: 41 AI stocks have driven 70 cents of every dollar added to the S&P 500 since ChatGPT launched

X AI KOLs Timeline ↗ · 2026-05-30 Cached

Since ChatGPT's launch, 41 AI stocks have driven 70 cents of every dollar added to the S&P 500.

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