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quantconnect--lean/Algorithm.Python/UserDefinedUniverseAlgorithm.py
T
Martin-Molinero 513ced31d7
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Add python syntax check (#8651)
* Add python syntax check

* Fix some python regression algorithms

* Fixing more bugs
2025-03-28 10:36:26 -03:00

49 lines
1.8 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>
### This algorithm shows how you can handle universe selection in anyway you like,
### at any time you like. This algorithm has a list of 10 stocks that it rotates
### through every hour.
### </summary>
### <meta name="tag" content="using data" />
### <meta name="tag" content="universes" />
### <meta name="tag" content="custom universes" />
class UserDefinedUniverseAlgorithm(QCAlgorithm):
def initialize(self):
self.set_cash(100000)
self.set_start_date(2015,1,1)
self.set_end_date(2015,12,1)
self.symbols = [ "SPY", "GOOG", "IBM", "AAPL", "MSFT", "CSCO", "ADBE", "WMT"]
self.universe_settings.resolution = Resolution.HOUR
self.add_universe('my_universe_name', Resolution.HOUR, self.selection)
def selection(self, time):
index = time.hour%len(self.symbols)
return [self.symbols[index]]
def on_data(self, slice):
pass
def on_securities_changed(self, changes):
for removed in changes.removed_securities:
if removed.invested:
self.liquidate(removed.symbol)
for added in changes.added_securities:
self.set_holdings(added.symbol, 1/float(len(changes.added_securities)))