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QuantConnect.Data.Fundamental.FundamentalUniverse Class Reference

Lean fundamentals universe data class More...

Inheritance diagram for QuantConnect.Data.Fundamental.FundamentalUniverse:
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Public Member Functions

 FundamentalUniverse ()
 Creates a new instance More...
 
 FundamentalUniverse (DateTime time, Symbol symbol)
 Creates a new instance More...
 
override SubscriptionDataSource GetSource (SubscriptionDataConfig config, DateTime date, bool isLiveMode)
 Return the URL string source of the file. This will be converted to a stream More...
 
override BaseData Reader (SubscriptionDataConfig config, string line, DateTime date, bool isLiveMode)
 Will read a new instance from the given line More...
 
override BaseData Clone ()
 Will clone the current instance More...
 
override Resolution DefaultResolution ()
 Gets the default resolution for this data and security type More...
 
override Symbol UniverseSymbol (string market=null)
 Creates the universe symbol for the target market More...
 
- Public Member Functions inherited from QuantConnect.Data.UniverseSelection.BaseDataCollection
 BaseDataCollection ()
 Initializes a new default instance of the BaseDataCollection c;ass More...
 
 BaseDataCollection (DateTime time, Symbol symbol, IEnumerable< BaseData > data=null)
 Initializes a new instance of the BaseDataCollection class More...
 
 BaseDataCollection (DateTime time, DateTime endTime, Symbol symbol, IEnumerable< BaseData > data=null, BaseData underlying=null, HashSet< Symbol > filteredContracts=null)
 Initializes a new instance of the BaseDataCollection class More...
 
 BaseDataCollection (DateTime time, DateTime endTime, Symbol symbol, List< BaseData > data, BaseData underlying, HashSet< Symbol > filteredContracts)
 Initializes a new instance of the BaseDataCollection class More...
 
 BaseDataCollection (BaseDataCollection other)
 Copy constructor for BaseDataCollection More...
 
override bool ShouldCacheToSecurity ()
 Indicates whether this contains data that should be stored in the security cache More...
 
virtual void Add (BaseData newDataPoint)
 Adds a new data point to this collection More...
 
virtual void AddRange (IEnumerable< BaseData > newDataPoints)
 Adds a new data points to this collection More...
 
override BaseData Clone ()
 Return a new instance clone of this object, used in fill forward More...
 
IEnumerator< BaseDataGetEnumerator ()
 Returns an IEnumerator for this enumerable Object. The enumerator provides a simple way to access all the contents of a collection. More...
 
- Public Member Functions inherited from QuantConnect.Data.BaseData
 BaseData ()
 Constructor for initialising the dase data class More...
 
virtual BaseData Reader (SubscriptionDataConfig config, StreamReader stream, DateTime date, bool isLiveMode)
 Reader converts each line of the data source into BaseData objects. Each data type creates its own factory method, and returns a new instance of the object each time it is called. The returned object is assumed to be time stamped in the config.ExchangeTimeZone. More...
 
virtual bool RequiresMapping ()
 Indicates if there is support for mapping More...
 
virtual bool IsSparseData ()
 Indicates that the data set is expected to be sparse More...
 
virtual List< ResolutionSupportedResolutions ()
 Gets the supported resolution for this data and security type More...
 
virtual DateTimeZone DataTimeZone ()
 Specifies the data time zone for this data type. This is useful for custom data types More...
 
void UpdateTrade (decimal lastTrade, decimal tradeSize)
 Updates this base data with a new trade More...
 
void UpdateQuote (decimal bidPrice, decimal bidSize, decimal askPrice, decimal askSize)
 Updates this base data with new quote information More...
 
void UpdateBid (decimal bidPrice, decimal bidSize)
 Updates this base data with the new quote bid information More...
 
void UpdateAsk (decimal askPrice, decimal askSize)
 Updates this base data with the new quote ask information More...
 
virtual void Update (decimal lastTrade, decimal bidPrice, decimal askPrice, decimal volume, decimal bidSize, decimal askSize)
 Update routine to build a bar/tick from a data update. More...
 
virtual BaseData Clone (bool fillForward)
 Return a new instance clone of this object, used in fill forward More...
 
override string ToString ()
 Formats a string with the symbol and value. More...
 
virtual BaseData Reader (SubscriptionDataConfig config, string line, DateTime date, DataFeedEndpoint dataFeed)
 Reader converts each line of the data source into BaseData objects. Each data type creates its own factory method, and returns a new instance of the object each time it is called. More...
 
virtual string GetSource (SubscriptionDataConfig config, DateTime date, DataFeedEndpoint datafeed)
 Return the URL string source of the file. This will be converted to a stream More...
 

Static Public Member Functions

static FundamentalUniverseFactory USA (Func< IEnumerable< Fundamental >, IEnumerable< Symbol >> selector, UniverseSettings universeSettings=null)
 Creates a new fundamental universe for the USA market More...
 
static FundamentalUniverseFactory USA (PyObject selector, UniverseSettings universeSettings=null)
 Creates a new fundamental universe for the USA market More...
 
static FundamentalUniverseFactory USA (Func< IEnumerable< Fundamental >, object > selector, UniverseSettings universeSettings=null)
 Creates a new fundamental universe for the USA market More...
 
- Static Public Member Functions inherited from QuantConnect.Data.BaseData
static IEnumerable< BaseDataDeserializeMessage (string serialized)
 Deserialize the message from the data server More...
 

Additional Inherited Members

- Public Attributes inherited from QuantConnect.Data.BaseData
virtual decimal Price => Value
 As this is a backtesting platform we'll provide an alias of value as price. More...
 
- Protected Member Functions inherited from QuantConnect.Data.UniverseSelection.BaseDataCollection
 BaseDataCollection (DateTime time, DateTime endTime, Symbol symbol, BaseData underlying, HashSet< Symbol > filteredContracts)
 Helper method to create an instance without setting the data list More...
 
- Static Protected Member Functions inherited from QuantConnect.Data.UniverseSelection.BaseDataCollection
static bool TryGetCachedSymbol (string ticker, out Symbol symbol)
 Tries to get a symbol from the cache More...
 
static void CacheSymbol (string ticker, Symbol symbol)
 Caches a symbol More...
 
- Static Protected Attributes inherited from QuantConnect.Data.BaseData
static readonly List< ResolutionAllResolutions
 A list of all Resolution More...
 
static readonly List< ResolutionDailyResolution = new List<Resolution> { Resolution.Daily }
 A list of Resolution.Daily More...
 
static readonly List< ResolutionMinuteResolution = new List<Resolution> { Resolution.Minute }
 A list of Resolution.Minute More...
 
static readonly List< ResolutionHighResolution = new List<Resolution> { Resolution.Minute, Resolution.Second, Resolution.Tick }
 A list of high Resolution, including minute, second, and tick. More...
 
static readonly List< ResolutionOptionResolutions = new List<Resolution> { Resolution.Daily, Resolution.Hour, Resolution.Minute }
 A list of resolutions support by Options More...
 
- Properties inherited from QuantConnect.Data.UniverseSelection.BaseDataCollection
BaseData Underlying [get, set]
 The associated underlying price data if any More...
 
HashSet< SymbolFilteredContracts [get, set]
 Gets or sets the contracts selected by the universe More...
 
List< BaseDataData [get, set]
 Gets the data list More...
 
override DateTime EndTime [get, set]
 Gets or sets the end time of this data More...
 
- Properties inherited from QuantConnect.Data.BaseData
MarketDataType DataType = MarketDataType.Base [get, set]
 Market Data Type of this data - does it come in individual price packets or is it grouped into OHLC. More...
 
bool IsFillForward [get]
 True if this is a fill forward piece of data More...
 
DateTime Time [get, set]
 Current time marker of this data packet. More...
 
virtual DateTime EndTime [get, set]
 The end time of this data. Some data covers spans (trade bars) and as such we want to know the entire time span covered More...
 
Symbol Symbol = Symbol.Empty [get, set]
 Symbol representation for underlying Security More...
 
virtual decimal Value [get, set]
 Value representation of this data packet. All data requires a representative value for this moment in time. For streams of data this is the price now, for OHLC packets this is the closing price. More...
 
- Properties inherited from QuantConnect.Data.IBaseData
MarketDataType DataType [get, set]
 Market Data Type of this data - does it come in individual price packets or is it grouped into OHLC. More...
 
DateTime Time [get, set]
 Time keeper of data – all data is timeseries based. More...
 
DateTime EndTime [get, set]
 End time of data More...
 
decimal Value [get, set]
 All timeseries data is a time-value pair: More...
 
decimal Price [get]
 Alias of Value. More...
 
- Properties inherited from QuantConnect.Data.ISymbolProvider
Symbol Symbol [get, set]
 Gets the Symbol More...
 

Detailed Description

Lean fundamentals universe data class

Definition at line 32 of file FundamentalUniverse.cs.

Constructor & Destructor Documentation

◆ FundamentalUniverse() [1/2]

QuantConnect.Data.Fundamental.FundamentalUniverse.FundamentalUniverse ( )

Creates a new instance

Definition at line 39 of file FundamentalUniverse.cs.

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◆ FundamentalUniverse() [2/2]

QuantConnect.Data.Fundamental.FundamentalUniverse.FundamentalUniverse ( DateTime  time,
Symbol  symbol 
)

Creates a new instance

Parameters
timeThe current time
symbolThe associated symbol

Definition at line 48 of file FundamentalUniverse.cs.

Member Function Documentation

◆ GetSource()

override SubscriptionDataSource QuantConnect.Data.Fundamental.FundamentalUniverse.GetSource ( SubscriptionDataConfig  config,
DateTime  date,
bool  isLiveMode 
)
virtual

Return the URL string source of the file. This will be converted to a stream

Reimplemented from QuantConnect.Data.BaseData.

Definition at line 55 of file FundamentalUniverse.cs.

◆ Reader()

override BaseData QuantConnect.Data.Fundamental.FundamentalUniverse.Reader ( SubscriptionDataConfig  config,
string  line,
DateTime  date,
bool  isLiveMode 
)
virtual

Will read a new instance from the given line

Parameters
configThe associated requested configuration
lineThe line to parse
dateThe current time
isLiveModeTrue if live mode
Returns
A new instance or null

Reimplemented from QuantConnect.Data.BaseData.

Definition at line 69 of file FundamentalUniverse.cs.

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◆ Clone()

override BaseData QuantConnect.Data.Fundamental.FundamentalUniverse.Clone ( )
virtual

Will clone the current instance

Returns
The cloned instance

Reimplemented from QuantConnect.Data.BaseData.

Definition at line 87 of file FundamentalUniverse.cs.

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◆ DefaultResolution()

override Resolution QuantConnect.Data.Fundamental.FundamentalUniverse.DefaultResolution ( )
virtual

Gets the default resolution for this data and security type

This is a method and not a property so that python custom data types can override it

Reimplemented from QuantConnect.Data.BaseData.

Definition at line 97 of file FundamentalUniverse.cs.

◆ UniverseSymbol()

override Symbol QuantConnect.Data.Fundamental.FundamentalUniverse.UniverseSymbol ( string  market = null)
virtual

Creates the universe symbol for the target market

Returns
The universe symbol to use

Reimplemented from QuantConnect.Data.UniverseSelection.BaseDataCollection.

Definition at line 106 of file FundamentalUniverse.cs.

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◆ USA() [1/3]

static FundamentalUniverseFactory QuantConnect.Data.Fundamental.FundamentalUniverse.USA ( Func< IEnumerable< Fundamental >, IEnumerable< Symbol >>  selector,
UniverseSettings  universeSettings = null 
)
static

Creates a new fundamental universe for the USA market

Parameters
selectorThe selector function
universeSettingsThe universe settings to use, will default to algorithms if not provided
Returns
A configured new universe instance

Definition at line 119 of file FundamentalUniverse.cs.

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◆ USA() [2/3]

static FundamentalUniverseFactory QuantConnect.Data.Fundamental.FundamentalUniverse.USA ( PyObject  selector,
UniverseSettings  universeSettings = null 
)
static

Creates a new fundamental universe for the USA market

Parameters
selectorThe selector function
universeSettingsThe universe settings to use, will default to algorithms if not provided
Returns
A configured new universe instance

Definition at line 130 of file FundamentalUniverse.cs.

◆ USA() [3/3]

static FundamentalUniverseFactory QuantConnect.Data.Fundamental.FundamentalUniverse.USA ( Func< IEnumerable< Fundamental >, object >  selector,
UniverseSettings  universeSettings = null 
)
static

Creates a new fundamental universe for the USA market

Parameters
selectorThe selector function
universeSettingsThe universe settings to use, will default to algorithms if not provided
Returns
A configured new universe instance

Definition at line 141 of file FundamentalUniverse.cs.


The documentation for this class was generated from the following file: