LiveFutureChainProvider

QuantConnect.Lean.Engine.DataFeeds.LiveFutureChainProvider

LiveFutureChainProvider()

An implementation of IFutureChainProvider that fetches the list of contracts from an external source

Initializes a new instance of the BacktestingChainProvider class

This codeEntityType is protected.

map_file_provider: IMapFileProvider

The map file provider instance to use

This codeEntityType is protected.

history_provider: IHistoryProvider

The history provider instance to use

This codeEntityType is protected.

get_future_contract_list(
    symbol: Union[Symbol, str, BaseContract],
    date: Union[datetime, date],
) -> Iterable[Symbol]

Gets the list of future contracts for a given underlying symbol

Parameters:

Name	Type	Description	Default
`symbol`	`Union[Symbol, str, BaseContract]`	The underlying symbol	required
`date`	`Union[datetime, date]`	The date for which to request the future chain (only used in backtesting)	required

Returns:

Type	Description
`Iterable[Symbol]`	The list of future contracts.

get_symbols(
    canonical_symbol: Union[Symbol, str, BaseContract],
    date: Union[datetime, date],
) -> Iterable[Symbol]

Get the contract symbols associated with the given canonical symbol and date

This codeEntityType is protected.

Parameters:

Name	Type	Description	Default
`canonical_symbol`	`Union[Symbol, str, BaseContract]`	The canonical symbol	required
`date`	`Union[datetime, date]`	The date to search for	required

initialize(
    parameters: ChainProviderInitializeParameters,
) -> None

Initializes a new instance of the BacktestingChainProvider class

Parameters:

Name	Type	Description	Default
`parameters`	`ChainProviderInitializeParameters`	The initialization parameters	required

is_contract_expired(
    symbol: Union[Symbol, str, BaseContract],
    date: Union[datetime, date],
) -> bool

Helper method to determine if a contract is expired for the requested date

This codeEntityType is protected.

get_symbol(
    symbol: Union[Symbol, str, BaseContract],
) -> Symbol

Helper method to get the symbol to use

This codeEntityType is protected.