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Investment Strategies / Mechanical Investing
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Author: rayvt 🐝  😊 😞
Number: of 3959 
Subject: Re: 135% return on mungofitch's "esoteric op
Date: 12/28/2024 9:24 PM
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"There are some firms that I find odious ..."

Well it would be very fun to hear which firms those are. And whether, by excluding them, your results improve or not.


The first obvious one that comes to mind is MO/PM and other tobacco companies. 2nd would be casino/gambling companies.

PM + MO is currently 0.54% weight in SPY. You could create a portfolio without those by negative weight (i.e., short) them and add that much to SPY weight.

Backtest: https://testfol.io/?s=adcs9RA6k9O

The difference with or without excluding them in SPY is negligible.




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