Preprint
Oct 2026
From language-model stock rankings to testable economic rules: A computational audit
We test the stability, reproducibility and investment outcomes of language-model stock rankings. Four models and five numerical comparators share a portfolio engine over 72 monthly holding periods in the Shanghai Stock Exchange (SSE) 50, China Securities Index (CSI) 300 and CSI 500. Rankings use nine characteristics, a...
Shuai Wu, Xue Li, Zhijun Wang et al.
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