Files
quantconnect--lean/Algorithm.Python/ScheduledQueuingAlgorithm.py
T
Martin-Molinero 03f56481d4
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Refactor python algorithm import (#5657)
* Python research import improvements

- Improve start.py for research env
- Remove unrequired imports

* Centralize algorithm imports

* Add regression test GH action

* Unit test python import clean up

* Join research and main imports

* More python import clean up

* Fix failing skipped regression algorithm
2021-06-15 19:06:06 -03:00

62 lines
2.9 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 *
from queue import Queue
class ScheduledQueuingAlgorithm(QCAlgorithm):
def Initialize(self):
self.SetStartDate(2020, 9, 1)
self.SetEndDate(2020, 9, 2)
self.SetCash(100000)
self.__numberOfSymbols = 2000
self.__numberOfSymbolsFine = 1000
self.SetUniverseSelection(FineFundamentalUniverseSelectionModel(self.CoarseSelectionFunction, self.FineSelectionFunction, None, None))
self.SetPortfolioConstruction(EqualWeightingPortfolioConstructionModel())
self.SetExecution(ImmediateExecutionModel())
self.queue = Queue()
self.dequeue_size = 100
self.AddEquity("SPY", Resolution.Minute)
self.Schedule.On(self.DateRules.EveryDay("SPY"), self.TimeRules.At(0, 0), self.FillQueue)
self.Schedule.On(self.DateRules.EveryDay("SPY"), self.TimeRules.Every(timedelta(minutes=60)), self.TakeFromQueue)
def CoarseSelectionFunction(self, coarse):
has_fundamentals = [security for security in coarse if security.HasFundamentalData]
sorted_by_dollar_volume = sorted(has_fundamentals, key=lambda x: x.DollarVolume, reverse=True)
return [ x.Symbol for x in sorted_by_dollar_volume[:self.__numberOfSymbols] ]
def FineSelectionFunction(self, fine):
sorted_by_pe_ratio = sorted(fine, key=lambda x: x.ValuationRatios.PERatio, reverse=True)
return [ x.Symbol for x in sorted_by_pe_ratio[:self.__numberOfSymbolsFine] ]
def FillQueue(self):
securities = [security for security in self.ActiveSecurities.Values if security.Fundamentals is not None]
# Fill queue with symbols sorted by PE ratio (decreasing order)
self.queue.queue.clear()
sorted_by_pe_ratio = sorted(securities, key=lambda x: x.Fundamentals.ValuationRatios.PERatio, reverse=True)
for security in sorted_by_pe_ratio:
self.queue.put(security.Symbol)
def TakeFromQueue(self):
symbols = [self.queue.get() for _ in range(min(self.dequeue_size, self.queue.qsize()))]
self.History(symbols, 10, Resolution.Daily)
self.Log(f"Symbols at {self.Time}: {[str(symbol) for symbol in symbols]}")