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REDDIT

I'm looking for a set of red flags save me from myself!

H
Apr 24, 2026 · 18:43

Random wise people, I'm looking to avoid investments in stocks that are too likely to lose money. I use a variety of filters, and quantitative stuff, but I'm looking to systematize and upgrade my "bad stuff" filtering, to remove cr@p I shouldn't touch with a 10 foot pole. So the koan here is a multistep process:
1. Y'all suggest things that have burned you in the past.
1. I try to encode what I read in filters, and run them against the stocks (unfortunately all I've got are US Equities :-P)
1. I report back on them in the threads here, saying how my interpretation of them performed. If I had to take liberties, I tell y'all what black magic I performed.
1. You react, and tell me why my black magic is not valid.
1. You tell me to change the rebalance periods, set of stocks being filtered, persistence of the signal, etc etc
1. I adjust and report back
1. We all learn a lot, and become better.
1. I make fewer stupid mistakes.

What do you all think?