Louis Szeto
61 lines
2.6 KiB
Python
61 lines
2.6 KiB
Python
# QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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# Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from AlgorithmImports import *
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class IndexOptionPutCalendarSpreadAlgorithm(QCAlgorithm):
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def Initialize(self):
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self.SetStartDate(2020, 1, 1)
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self.SetEndDate(2023, 1, 1)
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self.SetCash(50000)
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self.vxz = self.AddEquity("VXZ", Resolution.Minute).Symbol
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index = self.AddIndex("VIX", Resolution.Minute).Symbol
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option = self.AddIndexOption(index, "VIXW", Resolution.Minute)
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option.SetFilter(lambda x: x.Strikes(-2, 2).Expiration(15, 45))
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self.vixw = option.Symbol
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self.tickets = []
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self.expiry = datetime.max
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def OnData(self, slice: Slice) -> None:
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if not self.Portfolio[self.vxz].Invested:
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self.MarketOrder(self.vxz, 100)
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index_options_invested = [leg for leg in self.tickets if self.Portfolio[leg.Symbol].Invested]
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# Liquidate if the shorter term option is about to expire
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if self.expiry < self.Time + timedelta(2) and all([slice.ContainsKey(x.Symbol) for x in self.tickets]):
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for holding in index_options_invested:
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self.Liquidate(holding.Symbol)
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# Return if there is any opening index option position
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elif index_options_invested:
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return
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# Get the OptionChain
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chain = slice.OptionChains.get(self.vixw)
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if not chain: return
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# Get ATM strike price
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strike = sorted(chain, key = lambda x: abs(x.Strike - chain.Underlying.Value))[0].Strike
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# Select the ATM put Option contracts and sort by expiration date
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puts = sorted([i for i in chain if i.Strike == strike and i.Right == OptionRight.Put],
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key=lambda x: x.Expiry)
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if len(puts) < 2: return
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self.expiry = puts[0].Expiry
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# Sell the put calendar spread
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put_calendar_spread = OptionStrategies.PutCalendarSpread(self.vixw, strike, self.expiry, puts[-1].Expiry)
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self.tickets = self.Sell(put_calendar_spread, 1, asynchronous=True) |