Files
quantconnect--lean/Algorithm.Python/ETFConstituentUniverseCompositeDelistingRegressionAlgorithm.py
T
Jhonathan Abreu 09db45c91d Universes immediate selection (#7785)
* Make sure continuous futures universe selection is performed right away on the start of the algorithm.

This ensures the Future.Mapped is not null

* Minor changes

* Minor fixes

* Update regression algorithms stats

* Add DC futures map file

* Update DC futures map file

* Update regression algorithms stats

* Include ETFs for immediate universe selection

* Include Coarse Fundamentals for immediate universe selection

* Include Futures Chain Universe for immediate selection

* Add Option Chain Universe test

* Include custom universes for immediate selection

* Minor updates

* Include constituents universes for immediate selection

* Minor update

* Minor changes, docs and stats updates

* Minor changes

* Minor changes and clean up

* Minor regression algorithm stat update
2024-02-21 08:59:58 -04:00

82 lines
3.8 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 AlgorithmImports import *
### <summary>
### Tests the delisting of the composite Symbol (ETF symbol) and the removal of
### the universe and the symbol from the algorithm.
### </summary>
class ETFConstituentUniverseCompositeDelistingRegressionAlgorithm(QCAlgorithm):
def Initialize(self):
self.SetStartDate(2020, 12, 1)
self.SetEndDate(2021, 1, 31)
self.SetCash(100000)
self.universeSymbolCount = 0
self.universeSelectionDone = False
self.universeAdded = False
self.universeRemoved = False
self.UniverseSettings.Resolution = Resolution.Hour
self.delistingDate = date(2021, 1, 21)
self.aapl = self.AddEquity("AAPL", Resolution.Hour).Symbol
self.gdvd = self.AddEquity("GDVD", Resolution.Hour).Symbol
self.AddUniverse(self.Universe.ETF(self.gdvd, self.UniverseSettings, self.FilterETFs))
def FilterETFs(self, constituents):
self.universeSelectionDone = True
if self.UtcTime.date() > self.delistingDate:
raise Exception(f"Performing constituent universe selection on {self.UtcTime.strftime('%Y-%m-%d %H:%M:%S.%f')} after composite ETF has been delisted")
constituentSymbols = [i.Symbol for i in constituents]
self.universeSymbolCount = len(set(constituentSymbols))
return constituentSymbols
def OnData(self, data):
if self.UtcTime.date() > self.delistingDate and any([i != self.aapl for i in data.Keys]):
raise Exception("Received unexpected slice in OnData(...) after universe was deselected")
if not self.Portfolio.Invested:
self.SetHoldings(self.aapl, 0.5)
def OnSecuritiesChanged(self, changes):
if len(changes.AddedSecurities) != 0 and self.UtcTime.date() > self.delistingDate:
raise Exception("New securities added after ETF constituents were delisted")
# Since we added the etf subscription it will get delisted and send us a removal event
expectedChangesCount = self.universeSymbolCount + 1
if self.universeSelectionDone:
# "_universeSymbolCount + 1" because selection is done right away,
# so AddedSecurities includes all ETF constituents (including APPL) plus GDVD
self.universeAdded = self.universeAdded or len(changes.AddedSecurities) == expectedChangesCount
# TODO: shouldn't be sending AAPL as a removed security since it was added by another universe
self.universeRemoved = self.universeRemoved or (
len(changes.RemovedSecurities) == expectedChangesCount and
self.UtcTime.date() >= self.delistingDate and
self.UtcTime.date() < self.EndDate.date())
def OnEndOfAlgorithm(self):
if not self.universeAdded:
raise Exception("ETF constituent universe was never added to the algorithm")
if not self.universeRemoved:
raise Exception("ETF constituent universe was not removed from the algorithm after delisting")
if len(self.ActiveSecurities) > 2:
raise Exception(f"Expected less than 2 securities after algorithm ended, found {len(self.Securities)}")