Files
quantconnect--lean/Algorithm.Python/InsightWeightingFrameworkAlgorithm.py
T
2019-04-24 11:05:15 -03:00

60 lines
2.8 KiB
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 clr import AddReference
AddReference("System")
AddReference("QuantConnect.Algorithm")
AddReference("QuantConnect.Algorithm.Framework")
AddReference("QuantConnect.Common")
from System import *
from QuantConnect import *
from QuantConnect.Orders import *
from QuantConnect.Algorithm import *
from QuantConnect.Algorithm.Framework import *
from QuantConnect.Algorithm.Framework.Alphas import *
from QuantConnect.Algorithm.Framework.Execution import *
from QuantConnect.Algorithm.Framework.Portfolio import *
from QuantConnect.Algorithm.Framework.Risk import *
from QuantConnect.Algorithm.Framework.Selection import *
from datetime import timedelta
### <summary>
### Test algorithm using 'InsightWeightingPortfolioConstructionModel' and 'ConstantAlphaModel'
### generating a constant 'Insight' with a 0.25 weight
### </summary>
class InsightWeightingFrameworkAlgorithm(QCAlgorithm):
def Initialize(self):
''' Initialise the data and resolution required, as well as the cash and start-end dates for your algorithm. All algorithms must initialized.'''
# Set requested data resolution
self.UniverseSettings.Resolution = Resolution.Minute
self.SetStartDate(2013,10,7) #Set Start Date
self.SetEndDate(2013,10,11) #Set End Date
self.SetCash(100000) #Set Strategy Cash
symbols = [ Symbol.Create("SPY", SecurityType.Equity, Market.USA) ]
# set algorithm framework models
self.SetUniverseSelection(ManualUniverseSelectionModel(symbols))
self.SetAlpha(ConstantAlphaModel(InsightType.Price, InsightDirection.Up, timedelta(minutes = 20), 0.025, None, 0.25))
self.SetPortfolioConstruction(InsightWeightingPortfolioConstructionModel())
self.SetExecution(ImmediateExecutionModel())
def OnEndOfAlgorithm(self):
# holdings value should be 0.25 - to avoid price fluctuation issue we compare with 0.28 and 0.23
if (self.Portfolio.TotalHoldingsValue > self.Portfolio.TotalPortfolioValue * 0.28
or self.Portfolio.TotalHoldingsValue < self.Portfolio.TotalPortfolioValue * 0.23):
raise ValueError("Unexpected Total Holdings Value: " + str(self.Portfolio.TotalHoldingsValue))