Yea it's a question I get asked a lot.
Here's what I wrote in a previous post.
http://www.oldschoolvalue.com/…..formances/
The screens and backtests have gained a lot of popularity over the
past year and I will take this opportunity to answer a few of the most
frequently asked questions.
1. The screens are based on personal research and while I will share
the overall method and concept, in order to keep the screens free, the
exact criteria and methods will not be shared. It helps to keep it as
effective and proprietary as possible.
2. Screens are updated a couple of times a week. I do not have the
resources to be able to run it in real time. So far it is all manual
work.
3. Because the screens are configured and maintained manually, there is no way to allow for user input.
Just a lot of manual stuff, excel, databases, testing etc.
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