VSTD30 VSTD

Volume std over latest volume

Formula

Std($volume, 30)/($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)

0.0166

ICIR

0.279

Cross-section mean

0.5578

Cross-section std

0.2620

Min

0.1568

Max

1.6990

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

VSTD5

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

VSTD10

Std($volume, 10)/($volume+1e-12)

VSTD20

Std($volume, 20)/($volume+1e-12)

VSTD60

Std($volume, 60)/($volume+1e-12)

Alpha158 — Alpha158 (Microsoft qlib) — 158 features… Factor Library Factor Hub Model Lab