Variables
METRIC_REGISTRY: This registry should have a retrivable metric name as key and the following schema:title,rolling_func,pf_func,tunable,required_params,default_params,ungrouped,tags.
systematica.portfolio.metrics.metric_registries
METRIC_REGISTRY: This registry should have a retrivable metric name as key and the following schema: title, rolling_func, pf_func, tunable, required_params, default_params, ungrouped, tags.