Index Constituents API

Index constituents are the individual components that comprise a market index. These can be stocks, bonds, or other financial instruments. The API endpoint returns a list of constituents for a specific index. There is a limit of 300 records per API call.

API Endpoint

https://financialdata.net/api/v1/index-constituents?identifier=^GSPC

Query Parameters

Name	Type	Description	Example
identifier	string	The trading symbol for an index.	^GSPC
offset	integer	(Optional) The initial position of the record subset, which indicates how many records to skip. Defaults to 0.	300
format	string	(Optional) The format of the returned data, either JSON (JavaScript Object Notation) or CSV (Comma Separated Values). Defaults to JSON.	json, csv

Sample Response

[
  {
    "trading_symbol": "^GSPC",
    "index_name": "S&P 500",
    "constituent_symbol": "COIN",
    "constituent_name": "Coinbase",
    "sector": "Financials",
    "industry": "Financial Exchanges & Data",
    "date_added": "2025-05-19"
  },
  {
    "trading_symbol": "^GSPC",
    "index_name": "S&P 500",
    "constituent_symbol": "DASH",
    "constituent_name": "DoorDash",
    "sector": "Consumer Discretionary",
    "industry": "Specialized Consumer Services",
    "date_added": "2025-03-24"
  },
  ...
]

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