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quantconnect--lean/Algorithm.Python/MaximumSectorExposureRiskManagementModelFrameworkRegressionAlgorithm.py
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2026-07-13 13:02:50 +08:00

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Python

# QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
# Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from AlgorithmImports import *
from BaseFrameworkRegressionAlgorithm import BaseFrameworkRegressionAlgorithm
from Risk.MaximumSectorExposureRiskManagementModel import MaximumSectorExposureRiskManagementModel
### <summary>
### Regression algorithm to assert the behavior of <see cref="MaximumSectorExposureRiskManagementModel"/>.
### </summary>
class MaximumSectorExposureRiskManagementModelFrameworkRegressionAlgorithm(BaseFrameworkRegressionAlgorithm):
def initialize(self):
super().initialize()
# Set requested data resolution
self.universe_settings.resolution = Resolution.DAILY
self.set_start_date(2014, 2, 1) #Set Start Date
self.set_end_date(2014, 5, 1) #Set End Date
# set algorithm framework models
tickers = [ "AAPL", "MSFT", "GOOG", "AIG", "BAC" ]
self.set_universe_selection(FineFundamentalUniverseSelectionModel(
lambda coarse: [ x.symbol for x in coarse if x.symbol.value in tickers ],
lambda fine: [ x.symbol for x in fine ]
))
# define risk management model such that maximum weight of a single sector be 10%
# Number of of trades changed from 34 to 30 when using the MaximumSectorExposureRiskManagementModel
self.set_risk_management(MaximumSectorExposureRiskManagementModel(0.1))
def on_end_of_algorithm(self):
pass