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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: zeelotes ✹🐝🐝  😊 😞
Number: of 6243 
Subject: Re: Dying Bullish Euphoria - A Paratest
Date: 04/14/26 11:28 PM
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No. of Recommendations: 11
Using the NDX100 to produce the signals here is what that looks like in the last two major bear markets.

2000-2002 Bear Market

A 71.76% gain holding NDX100 short.

https://www.zeelotes.org/DBE_2000-2002.PNG

2007-2009 Bear Market

A 25.91% gain holding NDX100 short.

https://www.zeelotes.org/DBE_2007-2009.PNG

Even this can be improved upon by a simple little modification - set different lookbacks for the bull side than you set for the bear side.
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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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