Index Real-time Data API
Covering major global indices. Real-time streaming for NASDAQ, S&P 500, Hang Seng Index & SSE Composite.
Market Coverage
| Exchange / Category | Symbols | Data Types | Frequency |
|---|---|---|---|
| US Indices | ~4,200+ | Tick | Real-time |
| Asia-Pacific Indices | ~5,500+ | Tick | Real-time |
| European Indices | ~3,000+ | Tick | Real-time |
Technical Specs
Code Examples
Quick Start
# pip install websocket-client
import websocket
import json
api_key = 'your_api_key_here'
ws_url = f'wss://api.tickdb.ai/v1/realtime?api_key={api_key}'
def on_open(ws):
ws.send(json.dumps({
'cmd': 'subscribe',
'data': {
'channel': 'ticker',
'symbols': ['SPX', 'NDX', 'HSI']
}
}))
def on_message(ws, message):
data = json.loads(message)
print('Received:', data)
ws = websocket.WebSocketApp(ws_url, on_open=on_open, on_message=on_message)
ws.run_forever() Full documentation available at API Documentation
Comparison
Comparison based on publicly available documentation as of April 2026. Please refer to each provider for the latest information.
| Provider | Real-time | WebSocket | Index Coverage | Historical | Chinese Docs | Price |
|---|---|---|---|---|---|---|
| Yahoo Finance Unofficial API, widely used by community | โ ๏ธ Near real-time, but unofficial API with no SLA | โ | โ Broad global index coverage | โ Multi-year historical data | โ | Unofficially free; no stability guarantee |
| Alpha Vantage Legacy financial data API | โ ๏ธ Real-time on paid plans; free has delay | โ REST only | โ ๏ธ Partial global indices | โ 20+ years of history | โ | Free 25/day; from $49.99/mo |
| TickDB Unified multi-market API | โ Sub-100ms | โ | โ US/Asia-Pacific/European major indices | Up to 10Y K-line | โ Chinese-first | Free tier; paid unlocks all |
Use Cases
Derivatives Pricing
Real-time index data powering options/futures pricing models and Greeks calculations.
Global Macro Dashboard
Subscribe to US, European, and Asia-Pacific core indices simultaneously to build a cross-timezone real-time macro monitoring panel.
ETF NAV Deviation Monitoring
Compare real-time index values against ETF trading prices to detect premium/discount anomalies.
Choose Your Plan
All paid plans support monthly / quarterly / semi-annual / annual billing. Prices below are annual (20% off)
Free
- Selected symbols*
- 5 concurrent subscriptions
- Real-time quotes
- Real-time K-line
- 1 WebSocket connection
- 30 req/min API calls
- Email support
Starter
Billed annually $948
- All symbols
- 50 concurrent subscriptions
- Real-time quotes
- Real-time K-line
- Real-time order book
- Real-time trades
- Night session data
- 1 year historical data
- 1 WebSocket connection
- 60 req/min API calls
- Email support
Professional
Billed annually $2868
- All symbols
- 300 concurrent subscriptions
- Real-time quotes
- Real-time K-line
- Real-time order book
- Real-time trades
- Night session data
- 3 years historical data
- 3 WebSocket connections
- 600 req/min API calls
- Telegram support
Enterprise
Billed annually $8628
- All symbols
- 5000+ concurrent subscriptions
- Real-time quotes
- Real-time K-line
- Real-time order book
- Real-time trades
- Night session data
- 10 years historical data
- 10 WebSocket connections
- 1800+ req/min API calls
- Telegram support
FAQ
Which global indices does TickDB cover?
Is index data real-time?
Does TickDB provide index constituent data?
Does the free plan include index data?
Yahoo Finance already has free index data โ why use TickDB?
Explore Other Markets
Start Streaming Real-time Market Data
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