Indices data

Stock market index API

Q: How do I get S&P 500 data from the API?

Request ^GSPC, encoded as %5EGSPC in a URL, from the quote endpoint for the latest level or the chart endpoint for history. S&P 500 index options are under ^SPX.

Q: How far back does index history go?

Daily bars start in 1985 for the S&P 500 (^GSPC), 1990 for the VIX and 1992 for the Dow Jones (^DJI).

Q: Which world indices are covered?

Benchmarks the source quotes, including the FTSE 100 (^FTSE), Nikkei 225 (^N225) and EURO STOXX 50 (^STOXX50E), each on its own exchange's calendar.

Index levels and decades of daily history for the S&P 500, Dow Jones, Nasdaq, Russell 2000, VIX and world benchmarks, plus index option chains, over one API key.

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Symbol format: ^GSPC: a caret, then the index code
Quote freshness: About a minute in market hours
Source delay: Most US indices real time; ^VIX and ^FTSE 15 minutes late
Daily history: ^GSPC from 1985, ^VIX from 1990, ^DJI from 1992
Options: Index option chains, such as ^SPX

Symbol format

Indices start with a caret: ^GSPC is the S&P 500 and ^DJI the Dow Jones Industrial Average. Encode the caret as %5E in a URL. An index is a level rather than something you can buy; for a tradable proxy, request an ETF such as SPY from the same endpoints.

^GSPCS&P 500
^DJIDow Jones Industrial Average
^IXICNasdaq Composite
^RUTRussell 2000
^VIXCboe Volatility Index
^TNX10-year Treasury yield
^FTSEFTSE 100
^N225Nikkei 225
^STOXX50EEURO STOXX 50

Endpoints

The same endpoints and the same key as every other market; every plan includes all of them.

Example request

Send your key in the x-api-key header. A symbol the API has not seen before is fetched on the first call.

curl -H "x-api-key: $KEY" \
  "https://api.stockdataapi.com/v6/finance/quote?symbols=%5EGSPC,%5EDJI,%5EIXIC,%5EVIX"

Response, trimmed

{
  "quoteResponse": {
    "result": [
      {
        "symbol": "^GSPC",
        "shortName": "S&P 500",
        "quoteType": "INDEX",
        "currency": "USD",
        "marketState": "REGULAR",
        "regularMarketPrice": 7376.86,
        "regularMarketChangePercent": 0.3145,
        "exchangeDataDelayedBy": 0
      },
      {
        "symbol": "^VIX",
        "shortName": "CBOE Volatility Index",
        "quoteType": "INDEX",
        "currency": "USD",
        "marketState": "REGULAR",
        "regularMarketPrice": 25.64,
        "regularMarketChangePercent": -9.0135,
        "exchangeDataDelayedBy": 15
      }
    ],
    "error": null
  }
}

json

Good to know

Each quote's exchangeDataDelayedBy gives the source's delay in minutes: 0 for ^GSPC and ^IXIC, 15 for ^VIX and ^FTSE.
^GSPC is the index level; S&P 500 index options are listed under ^SPX.
Bars follow each index's own exchange calendar and timezone, so a ^N225 day is a Tokyo trading day.

Questions

Anything else is covered in the documentation, or on this page as Markdown for an AI assistant.

How do I get S&P 500 data from the API?

Request ^GSPC, encoded as %5EGSPC in a URL, from the quote endpoint for the latest level or the chart endpoint for history. S&P 500 index options are under ^SPX.

Is index data real time?

Most US indices arrive in real time at the source; a few, such as ^VIX and ^FTSE, arrive 15 minutes late. Each quote's exchangeDataDelayedBy field gives the delay in minutes.

How far back does index history go?

Daily bars start in 1985 for the S&P 500 (^GSPC), 1990 for the VIX and 1992 for the Dow Jones (^DJI).

Which world indices are covered?

Benchmarks the source quotes, including the FTSE 100 (^FTSE), Nikkei 225 (^N225) and EURO STOXX 50 (^STOXX50E), each on its own exchange's calendar.

Other markets, same key

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