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Indices API · CME

S&P 500 Index (SPX500) Indices API - Real-Time Quotes & Historical Data

Access real-time indices quotes, OHLCV historical data and WebSocket streams for S&P 500 Index (SPX500) on CME. Free API key included.

  • Real-time quote for SPX500 on CME
  • OHLCV historical K-line data from 1-min to monthly
  • WebSocket streaming for real-time price updates
  • Free API key to start - simple REST & WebSocket access
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SPX500

S&P 500 Index · CME · USD

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Snapshot from the iTick API, refreshed every few minutes

About

The S&P 500 Index (SPX500) is a retail CFD variant tracking the 500 largest publicly traded companies in the United States.

Indices API features for S&P 500 Index

Everything you need to integrate S&P 500 Index market data into your application.

Real-time quotes

Live bid/ask prices for SPX500 with millisecond latency via REST and WebSocket.

OHLCV K-line data

Historical bars from 1-minute to monthly, ideal for charting and backtesting.

Tick-by-tick data

Every trade and quote update, ideal for high-frequency analysis and order-book modeling.

Global coverage

One indices API for CME and 50+ other exchanges worldwide.

REST + WebSocket

Poll via REST for historical data, stream via WebSocket for real-time updates.

Simple authentication

Just an API token in the header - no OAuth, no complex setup required.

Get S&P 500 Index (SPX500) data with Python

Query real-time index quotes and historical data for SPX500 via REST API.

  1. 1Sign up and get your free API token
  2. 2Use the /indices/quote endpoint for real-time values
  3. 3Use /indices/kline for historical bars
import requests
import pandas as pd

# kType = bar interval (1 = 1-minute ... 10 = monthly, see docs)
url = "https://api.itick.org/index/kline"
params = {"region": "US", "code": "SPX500", "kType": 8, "limit": 500}
headers = {"accept": "application/json", "token": "YOUR_API_TOKEN"}

bars = requests.get(url, params=params, headers=headers, timeout=10).json()["data"]
df = pd.DataFrame(bars).rename(columns={
    "t": "time", "o": "open", "h": "high", "l": "low", "c": "close", "v": "volume"
})
df["time"] = pd.to_datetime(df["time"], unit="ms")
df.to_csv("SPX500_ohlcv.csv", index=False)
print(df.tail())

FAQ: S&P 500 Index (SPX500) Indices Data API

How do I get real-time S&P 500 Index (SPX500) price data?

Sign up for a free iTick account, get your API token, and call the /indices/quote endpoint with region=US&code=SPX500. You can also subscribe via WebSocket for live streaming updates.

What data is available for S&P 500 Index (SPX500)?

iTick provides real-time quotes (price, bid/ask, volume), OHLCV K-line bars from 1-minute to monthly, and tick-by-tick trade data for S&P 500 Index on CME.

Is there a free plan for S&P 500 Index (SPX500) data?

Yes. iTick offers a free plan that includes real-time quotes, historical K-line and tick data for personal use and evaluation. Paid plans add higher rate limits and commercial usage rights.

How do I access S&P 500 Index (SPX500) historical data?

Use the /index/kline endpoint with region=US&code=SPX500 and choose your interval via the kType parameter (1=1min, 8=daily, etc.).

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