by Jiahua Xu, Paolo Tasca, Yang Liu, Yebo Feng, Yichen Luo
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Suggested foundations for text and language models in finance and portfolio construction. Specialist prerequisites vary by paper.
Understand how text is converted into numerical inputs.
Check whether labels measure the financial construct of interest.
Understand the covariance structure of portfolio risk.
Read objectives, constraints and optimality conditions.
Test whether a text-derived signal survives an honest financial evaluation.
Measure agreement when constructing or checking labels.
Construct allocations and examine sensitivity to estimated inputs.
Connect diversification, common risk factors, investor views, and the properties of a risk measure.