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Stock API · SZSE

Zhongji Innolight (300308) Stock API - Real-Time Quotes & Historical Data

Access real-time stock quotes, OHLCV historical data and WebSocket streams for Zhongji Innolight (300308) on SZSE. Free API key included.

  • Real-time quote for 300308 on SZSE
  • 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

300308.CN

Zhongji Innolight · SZSE · CNY

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Snapshot from the iTick API, refreshed every few minutes

About

Zhongji Innolight Co., Ltd. is a leading Chinese optical communication module manufacturer headquartered in Suzhou. It produces high-speed optical transceivers for data centers and 5G telecom networks. Listed on SZSE under 300308.

TechnologyOptical Communication

Stock API features for Zhongji Innolight

Everything you need to integrate Zhongji Innolight market data into your application.

Real-time quotes

Live bid/ask prices for 300308 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 stock API for SZSE 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 Zhongji Innolight (300308) stock data with Python

Query real-time quotes and historical K-line data for 300308 via REST API.

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

# kType = bar interval (1 = 1-minute ... 10 = monthly, see docs)
url = "https://api.itick.org/stock/kline"
params = {"region": "CN", "code": "300308", "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("300308_ohlcv.csv", index=False)
print(df.tail())

FAQ: Zhongji Innolight (300308) Stock Data API

How do I get real-time Zhongji Innolight (300308) price data?

Sign up for a free iTick account, get your API token, and call the /stock/quote endpoint with region=CN&code=300308. You can also subscribe via WebSocket for live streaming updates.

What data is available for Zhongji Innolight (300308)?

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 Zhongji Innolight on SZSE.

Is there a free plan for Zhongji Innolight (300308) 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 Zhongji Innolight (300308) historical data?

Use the /stock/kline endpoint with region=CN&code=300308 and choose your interval via the kType parameter (1=1min, 8=daily, etc.).

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