Coverage for cvx/portfolio/min_risk.py: 100%
5 statements
« prev ^ index » next coverage.py v7.6.8, created at 2024-11-30 11:04 +0000
« prev ^ index » next coverage.py v7.6.8, created at 2024-11-30 11:04 +0000
1# Copyright 2023 Stanford University Convex Optimization Group
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14from __future__ import annotations
16import cvxpy as cp
19def minrisk_problem(riskmodel, weights, **kwargs):
20 problem = cp.Problem(
21 cp.Minimize(riskmodel.estimate(weights, **kwargs)),
22 [cp.sum(weights) == 1.0, weights >= 0]
23 + riskmodel.constraints(weights, **kwargs),
24 )
26 return problem