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quantconnect--lean/Algorithm.Python/MaximumDrawdownPercentPortfolioFrameworkRegressionAlgorithm.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.CompositeRiskManagementModel import CompositeRiskManagementModel
from Risk.MaximumDrawdownPercentPortfolio import MaximumDrawdownPercentPortfolio
### <summary>
### Regression algorithm to assert the behavior of <see cref="MaximumDrawdownPercentPortfolio"/>.
### </summary>
class MaximumDrawdownPercentPortfolioFrameworkRegressionAlgorithm(BaseFrameworkRegressionAlgorithm):
def initialize(self):
super().initialize()
self.set_universe_selection(ManualUniverseSelectionModel(Symbol.create("AAPL", SecurityType.EQUITY, Market.USA)))
# define risk management model as a composite of several risk management models
self.set_risk_management(CompositeRiskManagementModel(
MaximumDrawdownPercentPortfolio(0.01), # Avoid loss of initial capital
MaximumDrawdownPercentPortfolio(0.015, True) # Avoid profit losses
))