Skip to content
iTick
Get Free API Key

Indices API · SSE

CSI 300 Index (000300) Indices API - Real-Time Quotes & Historical Data

Access real-time indices quotes, OHLCV historical data and WebSocket streams for CSI 300 Index (000300) on SSE. Free API key included.

  • Real-time quote for 000300 on SSE
  • 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
Get Free API Key Read the Docs

000300

CSI 300 Index · SSE · CNY

—

—

Open
—
High
—
Low
—
Prev close
—

Snapshot from the iTick API, refreshed every few minutes

About

The CSI 300 Index (000300) tracks the top 300 A-share stocks listed on the Shanghai and Shenzhen stock exchanges, representing the largest and most liquid Chinese companies.

Indices API features for CSI 300 Index

Everything you need to integrate CSI 300 Index market data into your application.

Real-time quotes

Live bid/ask prices for 000300 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 SSE 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 CSI 300 Index (000300) data with Python

Query real-time index quotes and historical data for CSI 300 Index 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": "CN", "code": "000300", "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("000300_ohlcv.csv", index=False)
print(df.tail())

FAQ: CSI 300 Index (000300) Indices Data API

How do I get real-time CSI 300 Index (000300) price data?

Sign up for a free iTick account, get your API token, and call the /indices/quote endpoint with region=CN&code=000300. You can also subscribe via WebSocket for live streaming updates.

What data is available for CSI 300 Index (000300)?

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 CSI 300 Index on SSE.

Is there a free plan for CSI 300 Index (000300) 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 CSI 300 Index (000300) historical data?

Use the /index/kline endpoint with region=CN&code=000300 and choose your interval via the kType parameter (1=1min, 8=daily, etc.).

Related APIs & Solutions

Connect to Real-Time Financial Data Now

Get a free API key and access real-time quotes, historical data and WebSocket streams in minutes.

Get Free API Key Contact Us