Files
quantconnect--lean/Algorithm.Python/UniverseSelectionDefinitionsAlgorithm.py
T
Gerardo Salazar a4d49c05ca
Regression Tests / build (push) Has been cancelled
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Adds ETF(...) to UniverseDefinitions (#5873)
* Adds ETF(...) to UniverseDefinitions

  * Adds ETF constituents universe framework regression algorithm
    for C#/Python

* Address review: adds test cases for ticker/Symbol ETF universe additions

  * Fixes bug where null Market would result in null dereference exception

* Address review: add missing Index tests

* Address review: don't hardcode market when creating constituent universe

  * Uses Brokerage Model's default markets collection to determine
    the market for the given security type

* Address review: restore QC500 and DollarVolume.Top(...)

  * Restores algorithms related to both helper universe
    definition methods

* Address review: remove copy to output directory for python algos

* Add example algorithms for ETF constituent universes using custom RSI alpha model

* Address review: adjust algorithm to use cache + algo RSI & clean up code

* Address review: make ETF Constituent RSI Alpha Model algo a regression test

* Address review: increase trade count and remove single trade logic
2021-08-25 11:22:31 -03:00

58 lines
2.3 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>
### This algorithm shows some of the various helper methods available when defining universes
### </summary>
### <meta name="tag" content="using data" />
### <meta name="tag" content="universes" />
### <meta name="tag" content="coarse universes" />
class UniverseSelectionDefinitionsAlgorithm(QCAlgorithm):
def Initialize(self):
# subscriptions added via universe selection will have this resolution
self.UniverseSettings.Resolution = Resolution.Hour
# force securities to remain in the universe for a minimm of 30 minutes
self.UniverseSettings.MinimumTimeInUniverse = timedelta(minutes=30)
self.SetStartDate(2013,10,7) # Set Start Date
self.SetEndDate(2013,10,11) # Set End Date
self.SetCash(100000) # Set Strategy Cash
# add universe for the top 50 stocks by dollar volume
self.AddUniverse(self.Universe.Top(50))
self.changes = None
def OnData(self, data):
if self.changes is None: return
# liquidate securities that fell out of our universe
for security in self.changes.RemovedSecurities:
if security.Invested:
self.Liquidate(security.Symbol)
# invest in securities just added to our universe
for security in self.changes.AddedSecurities:
if not security.Invested:
self.MarketOrder(security.Symbol, 10)
self.changes = None
# this event fires whenever we have changes to our universe
def OnSecuritiesChanged(self, changes):
self.changes = changes