Files
quantconnect--lean/Algorithm.Python/MACDTrendAlgorithm.py
T
Alexandre Catarino 58f0caf647 Updates example algorithms written in Python (#889)
Some python algorithms suffered corrections to run under the new python framework (pythonnet).
Others were deleted because some features will be supported in futures implementations.

Adds a method in AlgorithmPythonUtil to transform C# DateTime into Python datetime
2017-05-04 13:02:25 -04:00

79 lines
3.1 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 datetime import datetime
from clr import AddReference
AddReference("System")
AddReference("QuantConnect.Algorithm")
AddReference("QuantConnect.Indicators")
AddReference("QuantConnect.Common")
from System import *
from QuantConnect import *
from QuantConnect.Algorithm import *
from QuantConnect.Indicators import *
from AlgorithmPythonUtil import to_python_datetime
class MACDTrendAlgorithm(QCAlgorithm):
'''MACD Example Algorithm'''
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.'''
self.SetStartDate(2004, 01, 01) #Set Start Date
self.SetEndDate(2015, 01, 01) #Set End Date
self.SetCash(100000) #Set Strategy Cash
# Find more symbols here: http://quantconnect.com/data
equity = self.AddEquity("SPY", Resolution.Daily)
self.spy = equity.Symbol
# define our daily macd(12,26) with a 9 day signal
self.__macd = self.MACD(self.spy, 9, 26, 9, MovingAverageType.Exponential, Resolution.Daily)
self.__previous = datetime.min
def OnData(self, data):
'''OnData event is the primary entry point for your algorithm. Each new data point will be pumped in here.'''
# wait for our macd to fully initialize
if not self.__macd.IsReady: return
pyTime = to_python_datetime(self.Time)
# only once per day
if self.__previous.date() == pyTime.date(): return
# define a small tolerance on our checks to avoid bouncing
tolerance = 0.0025;
holdings = self.Portfolio[self.spy].Quantity
signalDeltaPercent = (self.__macd.Current.Value - self.__macd.Signal.Current.Value)/self.__macd.Fast.Current.Value
# if our macd is greater than our signal, then let's go long
if holdings <= 0 and signalDeltaPercent > tolerance: # 0.01%
# longterm says buy as well
self.SetHoldings(self.spy, 1.0)
# of our macd is less than our signal, then let's go short
elif holdings >= 0 and signalDeltaPercent < -tolerance:
self.Liquidate(self.spy)
# plot both lines
self.Plot("MACD", self.__macd.Current.Value)
self.Plot("MACD", self.__macd.Signal.Current.Value)
self.Plot(str(self.spy), self.__macd.Fast.Current.Value)
self.Plot(str(self.spy), self.__macd.Slow.Current.Value)
self.__previous = pyTime