CORD5 CORD
Change of price-volume correlation (short minus long)
Formula
Corr($close/Ref($close,1), Log($volume/Ref($volume, 1)+1), 5)
The expression above is verbatim from qlib Alpha158/360 feature engineering (qlib/contrib/data/loader.py, Apache-2.0). The platform qlib-compatible expression engine evaluates it on the deterministic research panel.
Cross-section statistics & information coefficient
IC mean (60M)
-0.0059
ICIR
-0.108
Cross-section mean
0.0933
Cross-section std
0.5907
Min
-0.9932
Max
0.9842
IC = Spearman-style rank correlation between the factor cross-section and next-month returns, computed over the last 60 months on the deterministic research panel.