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The week's question
In March 2025, in the thread "Re: OT, out", Umm asked the members: "Do you think it is because America is made up of magical soil that makes businesses based in America magically profitable?" This week it is put to everyone again. The button below opens the small thread re-asking it - read what others have said so far, then give your own answer as an ordinary reply.
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Investment Strategies / Mechanical Investing
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Author: musselmant ✧☼  😊 😞
Number: of 6243 
Subject: Re: A similar screen
Date: 06/04/26 10:21 PM
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No. of Recommendations: 3
by buying the overlaps (averaging 2.4 stocks) only between the 9 month momentum top 5, and the top 5 of price/ (high price in last 9 months + low price in last 9 months), both using my suggested SPY>325 day SMA rule, you would have recovered from the worst crash since 1999 in 130 market days (-56%) and had a CAGR of
Post-1999 summary:
Series CAGR MDD Sharpe Beta vs SPY UI mDD recovery delay
Overlap-only 28.4% -57.0% 0.87 0.82 15.6 130days

Timing rule would have kept you out of the market in 2000 and 2001, and drawdown in 2008 was -20% and it would have taken 736 market days to recover compared to 888 for SPY.
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This community has written 6,224 posts about Mechanical Investing. The article-length ones it recommended most:
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OT - Div yields and returns · 32 recs · 2024
Using AI to generate backtesting programs · 30 recs · 2025
Rankings for 19Dec2022 · 29 recs · 2022
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