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Multi-factor weighted ranking
Eliot Gable
posted

I know I saw it posted somewhere, but I can't seem to find it. I want to take several factors which are calculated in the pipeline and build a rank from them based on assigning each factor a weight. So, for each factor:

  1. Sort the stocks by the factor
  2. Normalize the numbers to between 0 and 1, then multiply by 100 so the ranks are 0 - 100 as 64-bit floats
  3. Apply a weight to each factor and build the final rank based on the weighted rank for each factor

I'm sure I can do this just looping over things, and I can probably figure out how to do it with NumPY given some time, but I swear I saw someone post something which does this for like 4 or 5 factors in just one line of code. Does anyone have a quick way to do it?

1 response
James Christopher

Could you possibly be referring to this post https://www.quantopian.com/posts/long-short-pipeline-multi-factor ?

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The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by Quantopian.

In addition, the material offers no opinion with respect to the suitability of any security or specific investment. No information contained herein should be regarded as a suggestion to engage in or refrain from any investment-related course of action as none of Quantopian nor any of its affiliates is undertaking to provide investment advice, act as an adviser to any plan or entity subject to the Employee Retirement Income Security Act of 1974, as amended, individual retirement account or individual retirement annuity, or give advice in a fiduciary capacity with respect to the materials presented herein. If you are an individual retirement or other investor, contact your financial advisor or other fiduciary unrelated to Quantopian about whether any given investment idea, strategy, product or service described herein may be appropriate for your circumstances. All investments involve risk, including loss of principal. Quantopian makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances.