numeraire.baselines.MinVariance#
- class numeraire.baselines.MinVariance(*, window: int | None = None, min_obs: int | None = None)[source]#
Bases:
objectGlobal minimum-variance estimator: sample covariance from the (optionally windowed) view.
- Parameters:
window – Trailing window (in calendar steps) for the sample covariance;
None(default) expands from the start. A rolling cap mirrors the skfolio adapter’s estimation window.min_obs – Minimum observations before the first rebalance;
None(default) requires strictly more rows than assets, so the sample covariance is non-singular.
Methods
__init__(*[, window, min_obs])fit(view)