# 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 Licensefrom AlgorithmImports import *from BasicTemplateIndexAlgorithm import BasicTemplateIndexAlgorithmclass BasicTemplateTradableIndexAlgorithm(BasicTemplateIndexAlgorithm):ticket: OrderTicket | None = Nonedef initialize(self) -> None:super().initialize()self.securities[self.spx].is_tradable = Truedef on_data(self, data: Slice):super().on_data(data)if not self.ticket:self.ticket = self.market_order(self.spx, 1)def on_end_of_algorithm(self) -> None:if self.ticket and self.ticket.status != OrderStatus.FILLED:raise AssertionError("Index is tradable.")
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