VSTD5 VSTD

Volume std over latest volume

Formula

Std($volume, 5)/($volume+1e-12)

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)
0.0222
ICIR
0.390
Cross-section mean
0.4799
Cross-section std
0.3282
Min
0.0785
Max
2.0874

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.

Data export

alpha158.json

Related factors · VSTD

VSTD10
Std($volume, 10)/($volume+1e-12)
VSTD20
Std($volume, 20)/($volume+1e-12)
VSTD30
Std($volume, 30)/($volume+1e-12)
VSTD60
Std($volume, 60)/($volume+1e-12)