OpenBB/website/content/platform/reference/economy/const.md

title, description

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const	OpenBB Platform Function

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const

Get the constituents of an index.

const(index: Literal[str] = dowjones, provider: Literal[str] = fmp)

---

Parameters

Name	Type	Description	Default	Optional
index	Literal['nasdaq', 'sp500', 'dowjones']	Index for which we want to fetch the constituents.	dowjones	True
provider	Literal['fmp']	The provider to use for the query, by default None. If None, the provider specified in defaults is selected or 'fmp' if there is no default.	fmp	True

---

Returns

OBBject
    results : List[MajorIndicesConstituents]
        Serializable results.

    provider : Optional[Literal['fmp']]
        Provider name.

    warnings : Optional[List[Warning_]]
        List of warnings.

    chart : Optional[Chart]
        Chart object.

    metadata: Optional[Metadata]
        Metadata info about the command execution.

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Data

Name	Type	Description
symbol	str	Symbol to get data for.
name	str	Name of the constituent company in the index.
sector	str	Sector the constituent company in the index belongs to.
sub_sector	str	Sub-sector the constituent company in the index belongs to.
headquarter	str	Location of the headquarter of the constituent company in the index.
date_first_added	Union[date, str, None]	Date the constituent company was added to the index.
cik	int	Central Index Key of the constituent company in the index.
founded	Union[date, str]	Founding year of the constituent company in the index.