STD20 STD

Std of close over latest close (price volatility)

Formula

Std($close, 20)/$close

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)
0.0005
ICIR
0.006
Cross-section mean
0.0370
Cross-section std
0.0243
Min
0.0063
Max
0.1497

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 · STD

STD5
Std($close, 5)/$close
STD10
Std($close, 10)/$close
STD30
Std($close, 30)/$close
STD60
Std($close, 60)/$close