static IList <IOptionDefinition> ResolveFlagOptionLabels(
ICommandDefinition selectedCommand,
string argument)
{
if (OptionSymbol.CanBeFullForm(argument))
{
return(selectedCommand.GetRegisteredOptions()
.Where(o => o.Type == OptionType.Flag && o.IsMatch(argument))
.ToArray());
}
if (OptionSymbol.CanBeAbbreviationForm(argument))
{
string[] flagArguments = SplitAbbrArgument(argument);
if (flagArguments.HasDuplication(StringComparer.OrdinalIgnoreCase))
{
throw new ArgParsingException(ArgsParsingErrorCode.DuplicateFlagsInArgs, argument);
}
IOptionDefinition[] resolvedDefinitions = selectedCommand.GetRegisteredOptions()
.Where(o => o.Type == OptionType.Flag && flagArguments.Any(o.IsMatch))
.ToArray();
return(resolvedDefinitions.Length != flagArguments.Length
? Array.Empty <IOptionDefinition>()
: resolvedDefinitions);
}
return(Array.Empty <IOptionDefinition>());
}
/// <summary>
/// Check for delistings and emit them into the aux data queue
/// </summary>
private void CheckForDelisting(DateTime date)
{
DateTime delistingDate;
switch (_config.Symbol.ID.SecurityType)
{
case SecurityType.Future:
delistingDate = _config.Symbol.ID.Date;
break;
case SecurityType.Option:
delistingDate = OptionSymbol.GetLastDayOfTrading(_config.Symbol);
break;
default:
delistingDate = _mapFile.DelistingDate;
break;
}
if (!_delistedWarning && date >= delistingDate)
{
_delistedWarning = true;
var price = _previous != null ? _previous.Price : 0;
_auxiliaryData.Enqueue(new Delisting(_config.Symbol, date, price, DelistingType.Warning));
}
else if (!_delisted && date > delistingDate)
{
_delisted = true;
var price = _previous != null ? _previous.Price : 0;
// delisted at EOD
_auxiliaryData.Enqueue(new Delisting(_config.Symbol, delistingDate.AddDays(1), price, DelistingType.Delisted));
}
}
public void TestIfFridayLastTradingDayIsHolidaysThenMoveToPreviousThursday()
{
var saturdayAfterGoodFriday = new DateTime(2014, 04, 19);
var thursdayBeforeGoodFriday = saturdayAfterGoodFriday.AddDays(-2);
var symbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, saturdayAfterGoodFriday);
Assert.AreEqual(thursdayBeforeGoodFriday, OptionSymbol.GetLastDayOfTrading(symbol));
}
//
// Get ATM call and put
//
public virtual void get_contracts(Slice slice)
{
LogCust("called get contracts");
foreach (var kvp in slice.OptionChains)
{
if (kvp.Key != this.option_symbol)
{
continue;
}
var chain = kvp.Value;
var spot_price = chain.Underlying.Price;
// self.Log("spot_price {}" .format(spot_price))
// prefer to do in steps, rather than a nested sorted
// 1. get furthest expiry
var contracts_by_T = chain.OrderByDescending(x => x.Expiry).ToList();
if (!(contracts_by_T.Count > 0))
{
return;
}
this.expiry = contracts_by_T[0].Expiry.Date;
var weeklySymbol = QuantConnect.Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, this.expiry);
//var monthlysymbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2020, 04, 17));
//Assert.True(OptionSymbol.IsWeekly(weeklySymbol));
//Assert.False(OptionSymbol.IsWeekly(monthlysymbol));
//Assert.AreEqual(new DateTime(2020, 04, 17)/*Friday*/, OptionSymbol.GetLastDayOfTrading(monthlysymbol));
//Good Friday on 10th so should be 9th
//Assert.AreEqual(new DateTime(2020, 04, 09)/*Thursday*/, OptionSymbol.GetLastDayOfTrading(weeklySymbol));
//this.last_trading_day = last_trading_day(this.expiry);
this.last_trading_day = OptionSymbol.GetLastDayOfTrading(weeklySymbol);
// get contracts with further expiry and sort them by strike
var slice_T = (from i in chain
where i.Expiry.Date == this.expiry
select i).ToList();
var sorted_contracts = slice_T.OrderBy(x => x.Strike).ToList();
// self.Log("Expiry used: {} and shortest {}" .format(self.expiry, contracts_by_T[-1].Expiry.date()) )
// 2a. get the ATM closest CALL to short
var calls = (from i in sorted_contracts
where i.Right == OptionRight.Call && i.Strike >= spot_price
select i).ToList();
//this.call = calls ? calls[0] : null;
this.call = calls.Count > 0 ? calls.First() : null;
// self.Log("delta call {}, self.call type {}" .format(self.call.Greeks.Delta, type(self.call)))
// self.Log("implied vol {} " .format(self.call.ImpliedVolatility))
// 2b. get the ATM closest put to short
var puts = (from i in sorted_contracts
where i.Right == OptionRight.Put && i.Strike <= spot_price
select i).ToList();
this.put = puts.Count > 0 ? puts.Last() : null;
//if (put == null) this.Quit("put == null");
}
}
public void RegisterOption(string fullForm, char?abbrForm, string description)
{
var symbol = new OptionSymbol(fullForm, abbrForm);
if (Options.Any(e => e.SymbolMetadata.Equals(symbol)))
{
throw new ArgumentException("Duplicate option.");
}
Options.Add(new FlagOptionDefinition(symbol, description));
}
public void TestIfWeDetectCorrectlyWeekliesAndStandardOptionsAfterFeb2015()
{
var symbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2016, 02, 19));
var weeklySymbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2016, 02, 05));
Assert.True(OptionSymbol.IsStandardContract(symbol));
Assert.False(OptionSymbol.IsStandardContract(weeklySymbol));
Assert.AreEqual(new DateTime(2016, 02, 19) /*Friday*/, OptionSymbol.GetLastDayOfTrading(symbol));
Assert.AreEqual(new DateTime(2016, 02, 05) /*Friday*/, OptionSymbol.GetLastDayOfTrading(weeklySymbol));
}
public void TestIfWeDetectCorrectlyWeekliesAndStandardOptionsBeforeFeb2015()
{
var symbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2012, 09, 22));
var weeklySymbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2012, 09, 07));
Assert.True(OptionSymbol.IsStandard(symbol));
Assert.False(OptionSymbol.IsStandard(weeklySymbol));
Assert.AreEqual(new DateTime(2012, 09, 21) /*Friday*/, OptionSymbol.GetLastDayOfTrading(symbol));
Assert.AreEqual(new DateTime(2012, 09, 07) /*Friday*/, OptionSymbol.GetLastDayOfTrading(weeklySymbol));
}
static IOptionDefinition ResolveKeyValueOptionLabel(
ICommandDefinition selectedCommand,
string argument)
{
if (!OptionSymbol.CanBeFullForm(argument) && !OptionSymbol.CanBeAbbreviationSingleForm(argument))
{
return(null);
}
return(selectedCommand.GetRegisteredOptions()
.FirstOrDefault(o => o.Type == OptionType.KeyValue && o.IsMatch(argument)));
}
public void IsOptionContractExpiredReturnsFalseIfActiveContract()
{
var symbol = Symbol.CreateOption(
"BHP",
Market.USA,
OptionStyle.American,
OptionRight.Call,
55m,
new DateTime(2019, 9, 20));
Assert.IsFalse(OptionSymbol.IsOptionContractExpired(symbol, new DateTime(2019, 1, 1)));
}
public void IsOptionContractExpiredReturnsFalseIfTimeOfDayDiffer()
{
var symbol = Symbol.CreateOption(
"BHP",
Market.USA,
OptionStyle.American,
OptionRight.Call,
55m,
new DateTime(2022, 03, 11));
Assert.IsFalse(OptionSymbol.IsOptionContractExpired(symbol, new DateTime(2022, 03, 11)));
}
public void TestIfWeDetectCorrectlyWeeklies()
{
var weeklySymbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2020, 04, 10));
var monthlysymbol = Symbol.CreateOption("SPY", Market.USA, OptionStyle.American, OptionRight.Call, 200, new DateTime(2020, 04, 17));
Assert.True(OptionSymbol.IsWeekly(weeklySymbol));
Assert.False(OptionSymbol.IsWeekly(monthlysymbol));
Assert.AreEqual(new DateTime(2020, 04, 17) /*Friday*/, OptionSymbol.GetLastDayOfTrading(monthlysymbol));
//Good Friday on 10th so should be 9th
Assert.AreEqual(new DateTime(2020, 04, 09) /*Thursday*/, OptionSymbol.GetLastDayOfTrading(weeklySymbol));
}
public void IsOptionContractExpiredReturnsTrueIfExpiredContract()
{
var symbol = Symbol.CreateOption(
"BHP",
Market.USA,
OptionStyle.American,
OptionRight.Call,
55m,
new DateTime(2019, 9, 20));
Assert.IsTrue(OptionSymbol.IsOptionContractExpired(symbol, DateTime.UtcNow));
}
/// <summary>
/// Determine if the given Option contract symbol is standard
/// </summary>
/// <returns>True if standard</returns>
protected override bool IsStandard(Symbol symbol)
{
switch (symbol.SecurityType)
{
case SecurityType.FutureOption:
return(FutureOptionSymbol.IsStandard(symbol));
case SecurityType.IndexOption:
return(IndexOptionSymbol.IsStandard(symbol));
default:
return(OptionSymbol.IsStandard(symbol));
}
}
/// <summary>
/// Returns universe, filtered by option type
/// </summary>
/// <returns></returns>
internal OptionFilterUniverse ApplyOptionTypesFilter()
{
// memoization map for ApplyOptionTypesFilter()
var memoizedMap = new Dictionary <DateTime, bool>();
Func <Symbol, bool> memoizedIsStandardType = symbol =>
{
var dt = symbol.ID.Date;
bool result;
if (memoizedMap.TryGetValue(dt, out result))
{
return(result);
}
var res = OptionSymbol.IsStandard(symbol);
memoizedMap[dt] = res;
return(res);
};
_allSymbols = _allSymbols.Where(x =>
{
switch (_type)
{
case Type.Weeklys:
return(!memoizedIsStandardType(x));
case Type.Standard:
return(memoizedIsStandardType(x));
case Type.Standard | Type.Weeklys:
return(true);
default:
return(false);
}
}).ToList();
return(this);
}
/// <summary>
/// Returns universe, filtered by option type
/// </summary>
/// <returns></returns>
internal OptionFilterUniverse ApplyOptionTypesFilter()
{
// memoization map for ApplyOptionTypesFilter()
var memoizedMap = new Dictionary <DateTime, bool>();
Func <Symbol, bool> memoizedIsStandardType = symbol =>
{
var dt = symbol.ID.Date;
if (memoizedMap.ContainsKey(dt))
{
return(memoizedMap[dt]);
}
var res = OptionSymbol.IsStandardContract(symbol);
memoizedMap[dt] = res;
return(res);
};
var filtered = _allSymbols.Where(x =>
{
switch (_type)
{
case Type.Weeklys:
return(!memoizedIsStandardType(x));
case Type.Standard:
return(memoizedIsStandardType(x));
case Type.Standard | Type.Weeklys:
return(true);
default:
return(false);
}
});
_allSymbols = filtered.ToList();
return(this);
}
/// <summary>
/// Initializes this instance
/// </summary>
/// <param name="config">The <see cref="SubscriptionDataConfig"/></param>
/// <param name="factorFile">The factor file to use</param>
/// <param name="mapFile">The <see cref="MapFile"/> to use</param>
public void Initialize(
SubscriptionDataConfig config,
FactorFile factorFile,
MapFile mapFile)
{
_config = config;
// Estimate delisting date.
switch (config.Symbol.ID.SecurityType)
{
case SecurityType.Future:
_delistingDate = config.Symbol.ID.Date;
break;
case SecurityType.Option:
_delistingDate = OptionSymbol.GetLastDayOfTrading(
config.Symbol);
break;
default:
_delistingDate = mapFile.DelistingDate;
break;
}
}
/// <summary>
/// Get flag value.
/// </summary>
/// <param name="arg">
/// The full form or abbreviation form flag name.
/// </param>
/// <returns>
/// If the flag is specified, return true, otherwise false.
/// </returns>
/// <exception cref="ArgumentNullException">
/// The flag argument is null.
/// </exception>
/// <exception cref="ArgumentException">
/// The flag argument is invalid or undefined.
/// </exception>
public bool GetFlagValue(string arg)
{
if (!IsSuccess)
{
throw new InvalidOperationException();
}
try
{
var symbol = new OptionSymbol(arg);
var option = definition.Flags.FirstOrDefault(c => c.Option.SymbolMetadata.Equals(symbol));
if (option == null)
{
throw new ParsingException(ArgsParsingErrorCode.FreeValueNotSupported, arg);
}
return(option.Value);
}
catch (ParsingException e)
{
throw new ArgumentException(e.Message);
}
}
public void IsOptionContractExpiredReturnsFalseForNonOptionSymbol()
{
Assert.IsFalse(OptionSymbol.IsOptionContractExpired(Symbols.SPY, DateTime.UtcNow));
}
/// <summary>
/// Determine if the given Option contract symbol is standard
/// </summary>
/// <returns>True if standard</returns>
protected override bool IsStandard(Symbol symbol)
{
return(symbol.SecurityType == SecurityType.FutureOption
? FutureOptionSymbol.IsStandard(symbol)
: OptionSymbol.IsStandard(symbol));
}
/// <summary>
/// Initializes the <see cref="SubscriptionDataReader"/> instance
/// </summary>
/// <remarks>Should be called after all consumers of <see cref="NewTradableDate"/> event are set,
/// since it will produce events.</remarks>
public void Initialize()
{
if (_initialized)
{
return;
}
//Save the type of data we'll be getting from the source.
try
{
_dataFactory = _config.Type.GetBaseDataInstance();
}
catch (ArgumentException exception)
{
OnInvalidConfigurationDetected(new InvalidConfigurationDetectedEventArgs(exception.Message));
_endOfStream = true;
return;
}
//If its quandl set the access token in data factory:
var quandl = _dataFactory as Quandl;
if (quandl != null)
{
if (!Quandl.IsAuthCodeSet)
{
Quandl.SetAuthCode(Config.Get("quandl-auth-token"));
}
}
// If Tiingo data, set the access token in data factory
var tiingo = _dataFactory as TiingoDailyData;
if (tiingo != null)
{
if (!Tiingo.IsAuthCodeSet)
{
Tiingo.SetAuthCode(Config.Get("tiingo-auth-token"));
}
}
// If USEnergyInformation data, set the access token in data factory
var energyInformation = _dataFactory as USEnergyInformation;
if (energyInformation != null)
{
if (!USEnergyInformation.IsAuthCodeSet)
{
USEnergyInformation.SetAuthCode(Config.Get("us-energy-information-auth-token"));
}
}
_factorFile = new FactorFile(_config.Symbol.Value, new List <FactorFileRow>());
_mapFile = new MapFile(_config.Symbol.Value, new List <MapFileRow>());
// load up the map files for equities, options, and custom data if it supports it.
// Only load up factor files for equities
if (_config.TickerShouldBeMapped())
{
try
{
var mapFile = _mapFileResolver.ResolveMapFile(_config.Symbol, _config.Type);
// only take the resolved map file if it has data, otherwise we'll use the empty one we defined above
if (mapFile.Any())
{
_mapFile = mapFile;
}
if (!_config.IsCustomData && _config.SecurityType != SecurityType.Option)
{
var factorFile = _factorFileProvider.Get(_config.Symbol);
_hasScaleFactors = factorFile != null;
if (_hasScaleFactors)
{
_factorFile = factorFile;
// if factor file has minimum date, update start period if before minimum date
if (!_isLiveMode && _factorFile != null && _factorFile.FactorFileMinimumDate.HasValue)
{
if (_periodStart < _factorFile.FactorFileMinimumDate.Value)
{
_periodStart = _factorFile.FactorFileMinimumDate.Value;
OnNumericalPrecisionLimited(
new NumericalPrecisionLimitedEventArgs(
$"Data for symbol {_config.Symbol.Value} has been limited due to numerical precision issues in the factor file. " +
$"The starting date has been set to {_factorFile.FactorFileMinimumDate.Value.ToShortDateString()}."));
}
}
}
}
}
catch (Exception err)
{
Log.Error(err, "Fetching Price/Map Factors: " + _config.Symbol.ID + ": ");
}
}
// Estimate delisting date.
switch (_config.Symbol.ID.SecurityType)
{
case SecurityType.Future:
_delistingDate = _config.Symbol.ID.Date;
break;
case SecurityType.Option:
_delistingDate = OptionSymbol.GetLastDayOfTrading(_config.Symbol);
break;
default:
_delistingDate = _mapFile.DelistingDate;
break;
}
// adding a day so we stop at EOD
_delistingDate = _delistingDate.AddDays(1);
_subscriptionFactoryEnumerator = ResolveDataEnumerator(true);
_initialized = true;
}
/// <summary>
/// Determine if the given Option contract symbol is standard
/// </summary>
/// <returns>True if standard</returns>
protected override bool IsStandard(Symbol symbol)
{
return(OptionSymbol.IsStandard(symbol));
}
/// <summary>
/// Subscription data reader takes a subscription request, loads the type, accepts the data source and enumerate on the results.
/// </summary>
/// <param name="config">Subscription configuration object</param>
/// <param name="periodStart">Start date for the data request/backtest</param>
/// <param name="periodFinish">Finish date for the data request/backtest</param>
/// <param name="resultHandler">Result handler used to push error messages and perform sampling on skipped days</param>
/// <param name="mapFileResolver">Used for resolving the correct map files</param>
/// <param name="factorFileProvider">Used for getting factor files</param>
/// <param name="dataProvider">Used for getting files not present on disk</param>
/// <param name="dataCacheProvider">Used for caching files</param>
/// <param name="tradeableDates">Defines the dates for which we'll request data, in order, in the security's exchange time zone</param>
/// <param name="isLiveMode">True if we're in live mode, false otherwise</param>
/// <param name="includeAuxilliaryData">True if we want to emit aux data, false to only emit price data</param>
public SubscriptionDataReader(SubscriptionDataConfig config,
DateTime periodStart,
DateTime periodFinish,
IResultHandler resultHandler,
MapFileResolver mapFileResolver,
IFactorFileProvider factorFileProvider,
IDataProvider dataProvider,
IEnumerable <DateTime> tradeableDates,
bool isLiveMode,
IDataCacheProvider dataCacheProvider,
bool includeAuxilliaryData = true)
{
//Save configuration of data-subscription:
_config = config;
_auxiliaryData = new Queue <BaseData>();
//Save Start and End Dates:
_periodStart = periodStart;
_periodFinish = periodFinish;
_dataProvider = dataProvider;
_dataCacheProvider = dataCacheProvider;
//Save access to securities
_isLiveMode = isLiveMode;
_includeAuxilliaryData = includeAuxilliaryData;
//Save the type of data we'll be getting from the source.
//Create the dynamic type-activators:
var objectActivator = ObjectActivator.GetActivator(config.Type);
_resultHandler = resultHandler;
_tradeableDates = tradeableDates.GetEnumerator();
if (objectActivator == null)
{
_resultHandler.ErrorMessage("Custom data type '" + config.Type.Name + "' missing parameterless constructor E.g. public " + config.Type.Name + "() { }");
_endOfStream = true;
return;
}
//Create an instance of the "Type":
var userObj = objectActivator.Invoke(new object[] { config.Type });
_dataFactory = userObj as BaseData;
//If its quandl set the access token in data factory:
var quandl = _dataFactory as Quandl;
if (quandl != null)
{
if (!Quandl.IsAuthCodeSet)
{
Quandl.SetAuthCode(Config.Get("quandl-auth-token"));
}
}
// If Tiingo data, set the access token in data factory
var tiingo = _dataFactory as TiingoDailyData;
if (tiingo != null)
{
if (!Tiingo.IsAuthCodeSet)
{
Tiingo.SetAuthCode(Config.Get("tiingo-auth-token"));
}
}
_factorFile = new FactorFile(config.Symbol.Value, new List <FactorFileRow>());
_mapFile = new MapFile(config.Symbol.Value, new List <MapFileRow>());
// load up the map and factor files for equities
if (!config.IsCustomData && config.SecurityType == SecurityType.Equity)
{
try
{
var mapFile = mapFileResolver.ResolveMapFile(config.Symbol.ID.Symbol, config.Symbol.ID.Date);
// only take the resolved map file if it has data, otherwise we'll use the empty one we defined above
if (mapFile.Any())
{
_mapFile = mapFile;
}
var factorFile = factorFileProvider.Get(_config.Symbol);
_hasScaleFactors = factorFile != null;
if (_hasScaleFactors)
{
_factorFile = factorFile;
// if factor file has minimum date, update start period if before minimum date
if (!_isLiveMode && _factorFile != null && _factorFile.FactorFileMinimumDate.HasValue)
{
if (_periodStart < _factorFile.FactorFileMinimumDate.Value)
{
_periodStart = _factorFile.FactorFileMinimumDate.Value;
_resultHandler.DebugMessage(
string.Format("Data for symbol {0} has been limited due to numerical precision issues in the factor file. The starting date has been set to {1}.",
config.Symbol.Value,
_factorFile.FactorFileMinimumDate.Value.ToShortDateString()));
}
}
}
}
catch (Exception err)
{
Log.Error(err, "Fetching Price/Map Factors: " + config.Symbol.ID + ": ");
}
}
// load up the map and factor files for underlying of equity option
if (!config.IsCustomData && config.SecurityType == SecurityType.Option)
{
try
{
var mapFile = mapFileResolver.ResolveMapFile(config.Symbol.Underlying.ID.Symbol, config.Symbol.Underlying.ID.Date);
// only take the resolved map file if it has data, otherwise we'll use the empty one we defined above
if (mapFile.Any())
{
_mapFile = mapFile;
}
}
catch (Exception err)
{
Log.Error(err, "Map Factors: " + config.Symbol.ID + ": ");
}
}
// Estimate delisting date.
switch (_config.Symbol.ID.SecurityType)
{
case SecurityType.Future:
_delistingDate = _config.Symbol.ID.Date;
break;
case SecurityType.Option:
_delistingDate = OptionSymbol.GetLastDayOfTrading(_config.Symbol);
break;
default:
_delistingDate = _mapFile.DelistingDate;
break;
}
_subscriptionFactoryEnumerator = ResolveDataEnumerator(true);
}
/// <summary>
/// Initializes the <see cref="SubscriptionDataReader"/> instance
/// </summary>
public void Initialize()
{
if (_initialized)
{
return;
}
//Save the type of data we'll be getting from the source.
//Create the dynamic type-activators:
var objectActivator = ObjectActivator.GetActivator(_config.Type);
if (objectActivator == null)
{
OnInvalidConfigurationDetected(
new InvalidConfigurationDetectedEventArgs(
$"Custom data type \'{_config.Type.Name}\' missing parameterless constructor " +
$"E.g. public {_config.Type.Name}() {{ }}"));
_endOfStream = true;
return;
}
//Create an instance of the "Type":
var userObj = objectActivator.Invoke(new object[] { _config.Type });
_dataFactory = userObj as BaseData;
//If its quandl set the access token in data factory:
var quandl = _dataFactory as Quandl;
if (quandl != null)
{
if (!Quandl.IsAuthCodeSet)
{
Quandl.SetAuthCode(Config.Get("quandl-auth-token"));
}
}
// If Tiingo data, set the access token in data factory
var tiingo = _dataFactory as TiingoDailyData;
if (tiingo != null)
{
if (!Tiingo.IsAuthCodeSet)
{
Tiingo.SetAuthCode(Config.Get("tiingo-auth-token"));
}
}
_factorFile = new FactorFile(_config.Symbol.Value, new List <FactorFileRow>());
_mapFile = new MapFile(_config.Symbol.Value, new List <MapFileRow>());
// load up the map and factor files for equities
if (!_config.IsCustomData && _config.SecurityType == SecurityType.Equity)
{
try
{
var mapFile = _mapFileResolver.ResolveMapFile(_config.Symbol.ID.Symbol, _config.Symbol.ID.Date);
// only take the resolved map file if it has data, otherwise we'll use the empty one we defined above
if (mapFile.Any())
{
_mapFile = mapFile;
}
var factorFile = _factorFileProvider.Get(_config.Symbol);
_hasScaleFactors = factorFile != null;
if (_hasScaleFactors)
{
_factorFile = factorFile;
// if factor file has minimum date, update start period if before minimum date
if (!_isLiveMode && _factorFile != null && _factorFile.FactorFileMinimumDate.HasValue)
{
if (_periodStart < _factorFile.FactorFileMinimumDate.Value)
{
_periodStart = _factorFile.FactorFileMinimumDate.Value;
OnNumericalPrecisionLimited(
new NumericalPrecisionLimitedEventArgs(
$"Data for symbol {_config.Symbol.Value} has been limited due to numerical precision issues in the factor file. " +
$"The starting date has been set to {_factorFile.FactorFileMinimumDate.Value.ToShortDateString()}."));
}
}
}
}
catch (Exception err)
{
Log.Error(err, "Fetching Price/Map Factors: " + _config.Symbol.ID + ": ");
}
}
// load up the map and factor files for underlying of equity option
if (!_config.IsCustomData && _config.SecurityType == SecurityType.Option)
{
try
{
var mapFile = _mapFileResolver.ResolveMapFile(_config.Symbol.Underlying.ID.Symbol, _config.Symbol.Underlying.ID.Date);
// only take the resolved map file if it has data, otherwise we'll use the empty one we defined above
if (mapFile.Any())
{
_mapFile = mapFile;
}
}
catch (Exception err)
{
Log.Error(err, "Map Factors: " + _config.Symbol.ID + ": ");
}
}
// Estimate delisting date.
switch (_config.Symbol.ID.SecurityType)
{
case SecurityType.Future:
_delistingDate = _config.Symbol.ID.Date;
break;
case SecurityType.Option:
_delistingDate = OptionSymbol.GetLastDayOfTrading(_config.Symbol);
break;
default:
_delistingDate = _mapFile.DelistingDate;
break;
}
_subscriptionFactoryEnumerator = ResolveDataEnumerator(true);
_initialized = true;
}