HaverTicker
- class qf_lib.common.tickers.tickers.HaverTicker(ticker: str, database_name: str, security_type: SecurityType = SecurityType.STOCK, point_value: int = 1)[source]
Bases:
Ticker
Haver tickers representation. For example E025RE@EUSRVYS -> ticker: E025RE, EUSRVYS: database_name
- Parameters:
ticker (str) – string containing series ID within a specific database
database_name (str) – name of the database where the series is located
security_type (SecurityType) – denotes the type of the security, that the ticker is representing e.g. SecurityType.STOCK for a stock, SecurityType.FUTURE for a futures contract etc. By default equals SecurityType.STOCK.
point_value (int) – size of the contract as given by the ticker’s Data Provider. Used mostly by tickers of security_type FUTURE and by default equals 1.
Methods:
returns a string that can be used by the official Haver API to get the series
from_string
(ticker_str[, security_type, ...])Example: HaverTicker.from_string('RECESSQ2@USECON')
- as_string() str [source]
returns a string that can be used by the official Haver API to get the series
- classmethod from_string(ticker_str: Union[str, Sequence[str]], security_type: SecurityType = SecurityType.STOCK, point_value: int = 1) Union[HaverTicker, Sequence[HaverTicker]] [source]
Example: HaverTicker.from_string(‘RECESSQ2@USECON’)