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Good idea.

The market sentiment in 1921 was very bad for stocks. In fact, a week ago in 1921, Andrew Mellon (Treasury Secretary) suggested retail investors avoid stocks. This was covered in my post last week.

Sentiment is going to flip around 1923-1924 (once we clear the 1920 top) and only strengthen into 1929.

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@roaring20s I have read through all of your current Substack articles and would love to catch up on your own background and data sources. I think pre-computer data extraction powers the best ML insights.

I am working at a YC Fintech company exploring economic opportunity over time and think there are some deep relationships here around human psychology and markets.

Interesting - What company?

If you can't say, no worries.

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