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quantconnect--lean/Algorithm.Python/WarmupAlgorithm.py
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Ryan Russell 62493f8986
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docs: algorithm readability improvements (#6554)
docs: `algorthm` -> `algorithm`
2022-08-17 10:39:57 -07:00

55 lines
2.2 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 AlgorithmImports import *
### <summary>
### Demonstration algorithm for the Warm Up feature with basic indicators.
### </summary>
### <meta name="tag" content="indicators" />
### <meta name="tag" content="warm up" />
### <meta name="tag" content="history and warm up" />
### <meta name="tag" content="using data" />
class WarmupAlgorithm(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.'''
self.SetStartDate(2013,10,8) #Set Start Date
self.SetEndDate(2013,10,11) #Set End Date
self.SetCash(100000) #Set Strategy Cash
# Find more symbols here: http://quantconnect.com/data
self.AddEquity("SPY", Resolution.Second)
fast_period = 60
slow_period = 3600
self.fast = self.EMA("SPY", fast_period)
self.slow = self.EMA("SPY", slow_period)
self.SetWarmup(slow_period)
self.first = True
def OnData(self, data):
'''OnData event is the primary entry point for your algorithm. Each new data point will be pumped in here.'''
if self.first and not self.IsWarmingUp:
self.first = False
self.Log("Fast: {0}".format(self.fast.Samples))
self.Log("Slow: {0}".format(self.slow.Samples))
if self.fast.Current.Value > self.slow.Current.Value:
self.SetHoldings("SPY", 1)
else:
self.SetHoldings("SPY", -1)