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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: Summary: 3 Nas100 momentum screens
Date: 08/16/26 12:08 AM
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No. of Recommendations: 6
I have rolling 1,3,5,10, and 15 year returns on all my strategies, annual returns, returns during all the crashes and bears.
So yes I have tested the strategies in the ways people mention. They hold up no matter how you look or when you look for the period I have data on which is from 10/1993.
I found good S&P500 based strategies that are good also.
The timing rules are not complicated, are simpler than the triplet discussed here often, and googlesheets can calculate them for you.
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This community has written 6,224 posts about Mechanical Investing. The article-length ones it recommended most:
Dividend investing · 52 recs · 2025
Non-Mag7 screen · 34 recs · 2025
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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