Are public quant datasets point-in-time safe? Reproducible look-ahead-bias screens: OSAP (Chen-Zimmermann), JKP Global Factor Data, raw SEC EDGAR as-filed panels, feature-store as-of joins.

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asset-pricing audit cross-sectional data-leakage data-snooping factor-investing look-ahead-bias lookahead-bias open-data point-in-time point-in-time-data reproducibility selection-bias
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Are public quant datasets point-in-time safe? Reproducible look-ahead-bias screens: OSAP (Chen-Zimmermann), JKP Global Factor Data, raw SEC EDGAR as-filed panels, feature-store as-of joins.

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#asset-pricing#audit#cross-sectional#data-leakage#data-snooping#factor-investing#look-ahead-bias#lookahead-bias#open-data#point-in-time#point-in-time-data#reproducibility#selection-bias